DNSRegistration lookup
THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

Explore domains, TLDs, networks and the organizations behind them.

IPV4

216.252.162.0/23

Record found
Retrieved · 10 Nov 2026, 21:04 UTC1 sourceView JSON
BGP / routing →
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/216.252.162.0/23
Record found
Record ID
NET-216-252-162-0-1
Network name
IO-COOPERATIVE
Address range
216.252.162.0 — 216.252.163.255
CIDR blocks
216.252.162.0/23
Network type
DIRECT ALLOCATION
Parent network
NET-216-0-0-0-0
Last changed
2015-05-29T19:18:44-04:00
Registered
2015-05-29T19:18:44-04:00
Status
active
Notices & terms 3

Terms of Service

By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use https://www.arin.net/resources/registry/whois/tou/

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.arin.net/resources/registry/whois/inaccuracy_reporting/

Copyright Notice

Copyright 1997-2026, American Registry for Internet Numbers, Ltd.

Organizations & contacts

6
Organization / registrant
IO Cooperative, Inc.
IC-781
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Type
org
Registration Comments
https://iocoop.org/

Registry · rdap.arin.net

Administrative
ARIN Admin
ARINA164-ARIN
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Organization
IO Cooperative, Inc.
Type
group
Email
arin@iocoop.org
Phone (work, voice)
+1-415-237-4183
Registration Comments
https://iocoop.org/

Registry · rdap.arin.net

Technical
ARIN Tech
ARINT50-ARIN
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Organization
IO Cooperative, Inc.
Type
group
Email
arin@iocoop.org
Phone (work, voice)
+1-415-237-4183
Registration Comments
https://iocoop.org/

Registry · rdap.arin.net

Abuse
ARIN Abuse
ARINA165-ARIN
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Organization
IO Cooperative, Inc.
Type
group
Email
abuse@iocoop.org
Phone (work, voice)
+1-415-237-4183
Registration Comments
https://iocoop.org/

Registry · rdap.arin.net

Routing
ARIN Routing
ARINR11-ARIN
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Organization
IO Cooperative, Inc.
Type
group
Email
arin@iocoop.org
Phone (work, voice)
+1-415-237-4183

Registry · rdap.arin.net

Dns
ARIN DNS
ARIND8-ARIN
Address
2443 Fillmore St #380-4233 San Francisco CA 94115 United States
Organization
IO Cooperative, Inc.
Type
group
Email
arin@iocoop.org
Phone (work, voice)
+1-415-237-4183

Registry · rdap.arin.net

Route / route6 records IRR

rr.arin.net:43

BGP observations →

Exact and covering objects from ARIN. These are registered routing policies; they do not confirm a live announcement.

Origin
AS6939
Source
ARIN

IO Cooperative

Routing object details
route: 216.252.162.0/23
origin: AS6939
descr: IO Cooperative
admin-c: ARINA164-ARIN
tech-c: ARINR11-ARIN
tech-c: ARINT50-ARIN
mnt-by: MNT-IC-781
remarks: This object is automatically managed by ARIN
created: 2025-05-04T05:40:29Z
last-modified: 2025-05-17T23:09:56Z
source: ARIN
Registry · RDAP Original response
https://rdap.arin.net/registry/ip/216.252.162.0/23
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "216.252.162.0",
            "length": 23
        }
    ],
    "endAddress": "216.252.163.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-17T10:30:22-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-05-12T20:01:24-04:00"
                        }
                    ],
                    "handle": "ARINR11-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ARINR11-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ARINR11-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "routing"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ARIN Routing"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "IO Cooperative, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "arin@iocoop.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-237-4183"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-04-17T11:21:00-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2014-04-30T17:48:12-04:00"
                        }
                    ],
                    "handle": "ARINA165-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ARINA165-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ARINA165-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://iocoop.org/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ARIN Abuse"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "IO Cooperative, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "abuse@iocoop.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-237-4183"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-08-27T11:47:03-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2014-04-30T17:40:17-04:00"
                        }
                    ],
                    "handle": "ARINA164-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ARINA164-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ARINA164-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://iocoop.org/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ARIN Admin"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "IO Cooperative, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "arin@iocoop.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-237-4183"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-17T10:29:45-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-05-12T20:02:57-04:00"
                        }
                    ],
                    "handle": "ARIND8-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ARIND8-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ARIND8-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "dns"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ARIN DNS"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "IO Cooperative, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "arin@iocoop.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-237-4183"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-10-26T00:21:45-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2014-04-30T17:49:59-04:00"
                        }
                    ],
                    "handle": "ARINT50-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ARINT50-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ARINT50-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://iocoop.org/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ARIN Tech"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "IO Cooperative, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "arin@iocoop.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-237-4183"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-05-12T20:03:10-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2014-05-01T18:10:46-04:00"
                }
            ],
            "handle": "IC-781",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/IC-781",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                },
                {
                    "href": "https://whois.arin.net/rest/org/IC-781",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "https://iocoop.org/"
                    ],
                    "title": "Registration Comments"
                }
            ],
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IO Cooperative, Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "2443 Fillmore St #380-4233\nSan Francisco\nCA\n94115\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2015-05-29T19:18:44-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2015-05-29T19:18:44-04:00"
        }
    ],
    "handle": "NET-216-252-162-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/216.252.162.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-216-252-162-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
        }
    ],
    "name": "IO-COOPERATIVE",
    "notices": [
        {
            "description": [
                "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/tou/",
                    "rel": "terms-of-service",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                }
            ],
            "title": "Terms of Service"
        },
        {
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
                    "rel": "inaccuracy-report",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/216.252.162.0/23"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-216-0-0-0-0",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "startAddress": "216.252.162.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}