THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

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

IPV4

63.242.192.0

Record found
Retrieved · 10 Oct 2026, 10:19 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/63.242.192.0
Record found
Record ID
NET-63-242-0-0-1
Network name
AENS-DSL-1
Address range
63.242.0.0 — 63.242.239.255
Network type
ASSIGNMENT
Parent network
NET-63-240-0-0-1
Last changed
2001-10-05T02:42:23-04:00
Registered
2001-10-05T00:00:00-04:00
Status
active
Notices & terms 4

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.

Registration Comments

For abuse issues contact abuse@att.net

Organizations & contacts

3
Organization / registrant
AT&T ITS
ATTITS-1
Address
200 Laurel Avenue South Middletown IA 07748 United States
Type
org

Registry · rdap.arin.net

Technical · Abuse · Administrative
Contact Known No
CKN23-ARIN
Address
123 Main St Anytown VA 20151 United States
Name
No Contact Known
Type
individual
Email
nobody@example.com
Phone (work, voice)
+1-800-555-1234
Registration Comments
There is no known POC for this organization. This is a placeholder record. Please contact hostmaster@arin.net if you can provide contact information for this record.
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-02-08

Registry · rdap.arin.net

Technical
Deirdre Kostick
DK71-ARIN
Address
Room C5-3A11 200 Laurel Ave S Middletown NJ 07748 United States
Name
Kostick Deirdre
Type
individual
Email
schiou@att.com
Email
help@ip.att.net
Phone (work, voice)
+1-919-319-8249
Registration Comments
Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues. All policy abuse issues sent to other POCs will be disregarded.
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2011-07-20

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
AS7018
Source
ARIN

AT&T Enterprises, LLC

Routing object details
route: 63.242.0.0/16
origin: AS7018
descr: AT&T Enterprises, LLC
admin-c: ZS44-ARIN
tech-c: ICC-ARIN
tech-c: ROUTI59-ARIN
tech-c: ZS44-ARIN
mnt-by: MNT-AEL-360
remarks: This object is automatically managed by ARIN
created: 2025-03-19T13:50:14Z
last-modified: 2025-07-21T14:52:16Z
source: ARIN
Registry · RDAP Original response
https://rdap.arin.net/registry/ip/63.242.192.0
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "63.242.0.0",
            "length": 17
        },
        {
            "v4prefix": "63.242.128.0",
            "length": 18
        },
        {
            "v4prefix": "63.242.192.0",
            "length": 19
        },
        {
            "v4prefix": "63.242.224.0",
            "length": 20
        }
    ],
    "endAddress": "63.242.239.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2024-02-09T15:21:55-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2011-02-18T14:57:07-05:00"
                        }
                    ],
                    "handle": "CKN23-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/CKN23-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/CKN23-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "There is no known POC for this organization. This is a placeholder record. Please contact hostmaster@arin.net if you can provide contact information for this record."
                            ],
                            "title": "Registration Comments"
                        },
                        {
                            "description": [
                                "ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-02-08"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse",
                        "administrative"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "123 Main St\nAnytown\nVA\n20151\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Contact Known No"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "No",
                                    "Contact",
                                    "Known",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "nobody@example.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-800-555-1234"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2011-09-24T08:30:57-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2001-04-23T00:00:00-04:00"
                }
            ],
            "handle": "ATTITS-1",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/ATTITS-1",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                },
                {
                    "href": "https://whois.arin.net/rest/org/ATTITS-1",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "AT&T ITS"
                    ],
                    [
                        "adr",
                        {
                            "label": "200 Laurel Avenue South\nMiddletown\nIA\n07748\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2010-07-19T16:42:57-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1998-06-30T12:23:16-04:00"
                }
            ],
            "handle": "DK71-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/DK71-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/DK71-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues.",
                        "All policy abuse issues sent to other POCs will be disregarded."
                    ],
                    "title": "Registration Comments"
                },
                {
                    "description": [
                        "ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2011-07-20"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "technical"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "Room C5-3A11\n200 Laurel Ave S\nMiddletown\nNJ\n07748\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Deirdre Kostick"
                    ],
                    [
                        "n",
                        [],
                        "text",
                        [
                            "Kostick",
                            "Deirdre",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "schiou@att.com"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "help@ip.att.net"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-919-319-8249"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2001-10-05T02:42:23-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2001-10-05T00:00:00-04:00"
        }
    ],
    "handle": "NET-63-242-0-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/63.242.0.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-63-242-0-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
        },
        {
            "href": "https://rdap.arin.net/registry/ip/63.240.0.0/15",
            "rel": "up",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/63.242.192.0"
        }
    ],
    "name": "AENS-DSL-1",
    "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/63.242.192.0"
                }
            ],
            "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/63.242.192.0"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-63-240-0-0-1",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "remarks": [
        {
            "description": [
                "For abuse issues contact abuse@att.net"
            ],
            "title": "Registration Comments"
        }
    ],
    "startAddress": "63.242.0.0",
    "status": [
        "active"
    ],
    "type": "ASSIGNMENT"
}