THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

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

IPV4

140.82.121.4

Record found
Retrieved · 22 Sep 2026, 18:20 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/140.82.121.4
Record found
Record ID
NET-140-82-112-0-1
Network name
GITHU
Address range
140.82.112.0140.82.127.255
CIDR blocks
140.82.112.0/20
Network type
DIRECT ALLOCATION
Parent network
NET-140-0-0-0-0
Last changed
2021-12-14T20:28:48-05:00
Registered
2018-04-25T15:34:18-04:00
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

3
Organization / registrant
GitHub, Inc.
GITHU
Address
88 Colin P Kelly Jr Street San Francisco CA 94107 United States
Type
org
Registration Comments
https://github.com Please contact us directly for matters pertaining to abuse. Urgent matters including DDoS are handled 24x7.

Registry · rdap.arin.net

Technical · Administrative · Noc
GitHub Ops
GITHU-ARIN
Address
88 Colin P Kelly Jr St San Francisco CA 94107 United States
Organization
GitHub, Inc.
Type
group
Email
hostmaster@github.com
Phone (work, voice)
+1-415-735-4488
Registration Comments
GitHub Network Operations

Registry · rdap.arin.net

Abuse
GitHub Abuse
GITHU1-ARIN
Address
88 Colin P Kelly Jr Street San Francisco CA 94104 United States
Organization
GitHub
Type
group
Email
noc@github.com
Phone (work, voice)
+1-415-857-5430

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.

No matching route objects were returned by this registry. Records may exist in another IRR.

Registry · RDAP Original response
https://rdap.arin.net/registry/ip/140.82.121.4
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "140.82.112.0",
            "length": 20
        }
    ],
    "endAddress": "140.82.127.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-07-06T18:01:36-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2013-01-03T12:26:15-05:00"
                        }
                    ],
                    "handle": "GITHU1-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/GITHU1-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/GITHU1-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "88 Colin P Kelly Jr Street\nSan Francisco\nCA\n94104\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "GitHub Abuse"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "GitHub"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "noc@github.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-857-5430"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-07-21T10:09:18-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2012-10-22T15:41:49-04:00"
                        }
                    ],
                    "handle": "GITHU-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/GITHU-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/GITHU-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "GitHub Network Operations"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical",
                        "administrative",
                        "noc"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "88 Colin P Kelly Jr St\nSan Francisco\nCA\n94107\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "GitHub Ops"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "GitHub, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "hostmaster@github.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-415-735-4488"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-11-25T11:09:46-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2012-10-22T14:48:45-04:00"
                }
            ],
            "handle": "GITHU",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/GITHU",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                },
                {
                    "href": "https://whois.arin.net/rest/org/GITHU",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "https://github.com\r",
                        "Please contact us directly for matters pertaining to abuse.\r",
                        "Urgent matters including DDoS are handled 24x7."
                    ],
                    "title": "Registration Comments"
                }
            ],
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "GitHub, Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "88 Colin P Kelly Jr Street\nSan Francisco\nCA\n94107\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2021-12-14T20:28:48-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2018-04-25T15:34:18-04:00"
        }
    ],
    "handle": "NET-140-82-112-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/140.82.112.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-140-82-112-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/140.82.121.4"
        }
    ],
    "name": "GITHU",
    "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/140.82.121.4"
                }
            ],
            "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/140.82.121.4"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-140-0-0-0-0",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "startAddress": "140.82.112.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}