RDAP.nu
RDAP lookup with WHOIS comparison
Try: example.com · 1.1.1.1 · AS13335
IP Address: 172.0.0.0
RDAP: OK
WHOIS: OK
DNS: OK
ARIN
| inetnum: |
NET-172-0-0-0-1
|
[rdap] |
|---|---|---|
| netname: | SIS-80-8-2012 | |
| start-address: |
172.0.0.0
|
|
| end-address: |
172.15.255.255
|
|
| cidr: |
172.0.0.0/12
|
|
| ip-version: | v4 | [rdap] |
| type: | DIRECT ALLOCATION | |
| status: | active | [rdap] |
| org: | AT&T Enterprises, LLC | |
| parent: |
NET-172-0-0-0-0
|
[rdap] |
| abuse-c: | [email protected] | |
| tech-c: | [email protected] | [whois] |
| phone: | +1-888-510-5545 | |
| address: | 208 S. Akard St., Dallas, TX, 75202, United States | [rdap] |
| created: | 2012-08-20 11:22:43 GMT-0400 | |
| last-modified: | 2024-12-05 10:41:35 GMT-0500 | |
| rdap-server: | https://rdap.arin.net/registry/ | [rdap] |
| port43: |
whois.arin.net
|
[rdap] |
| notices: |
Terms of Service: By using the ARIN RDAP/Whois service, you are agreeing to the … 3 notices
Terms of Service: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
Whois Inaccuracy Reporting: If you see inaccuracies in the results, please visit: Copyright Notice: Copyright 1997-2026, American Registry for Internet Numbers, Ltd. |
[rdap] |
| links: | alternate | [rdap] |
| Field | RDAP | WHOIS |
|---|---|---|
| inetnum: |
NET-172-0-0-0-1
|
- |
| netname: | SIS-80-8-2012 | SIS-80-8-2012 |
| start-address: |
172.0.0.0
|
172.0.0.0
|
| end-address: |
172.15.255.255
|
172.15.255.255
|
| cidr: |
172.0.0.0/12
|
172.0.0.0/12
|
| ip-version: | v4 | - |
| type: | DIRECT ALLOCATION | Direct Allocation |
| status: | active | - |
| org: | AT&T Enterprises, LLC | AT&T Enterprises, LLC |
| parent: |
NET-172-0-0-0-0
|
- |
| abuse-c: | [email protected] | [email protected] |
| tech-c: | - | [email protected] |
| phone: | +1-888-510-5545 | +1-888-510-5545 |
| address: | 208 S. Akard St., Dallas, TX, 75202, United States | - |
| created: | 2012-08-20 11:22:43 GMT-0400 | 2012-08-20 00:00:00 UTC |
| last-modified: | 2024-12-05 10:41:35 GMT-0500 | 2024-12-05 00:00:00 UTC |
| rdap-server: | https://rdap.arin.net/registry/ | - |
| port43: |
whois.arin.net
|
- |
| notices: |
Terms of Service: By using the ARIN RDAP/Whois service, you are agreeing to the … 3 notices
Terms of Service: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
Whois Inaccuracy Reporting: If you see inaccuracies in the results, please visit: Copyright Notice: Copyright 1997-2026, American Registry for Internet Numbers, Ltd. |
- |
| links: | alternate | - |
RDAP JSON
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "172.0.0.0",
"length": 12
}
],
"endAddress": "172.15.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-04T11:52:45-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-05-17T16:09:19-04:00"
}
],
"handle": "ZS44-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZS44-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/ZS44-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"For policy abuse issues contact:",
"Email [email protected]. NO ATTACHMENTS. Include IP address, time/date, message header, and attack logs.",
"",
"For all Legal Inquiries contact:",
"AT&T National Compliance Center",
"11760 US Hwy 1, Suite 300",
"North Palm Beach, FL 33408",
"Phone:\t1-800-635-6840, opt 5",
"Fax:\t1-888-938-4715",
"Email:\[email protected]"
],
"title": "Registration Comments"
}
],
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "208 S. Akard St.\nDallas\nTX\n75202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IPAdmin-ATT Internet Services"
],
[
"org",
[],
"text",
"IPAdmin-ATT Internet Services"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-510-5545"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T09:10:06-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-23T17:15:05-04:00"
}
],
"handle": "ROUTI59-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ROUTI59-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/ROUTI59-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "200 S Laurel Ave\nMiddletown\nNJ\n07748\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Routing POC"
],
[
"org",
[],
"text",
"Routing POC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-999-999-9999"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-18T17:15:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2002-09-24T15:36:27-04:00"
}
],
"handle": "ICC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ICC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/ICC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact AT&T Abuse ([email protected]) for policy",
"issues.",
"All policy abuse issues sent to other POCs will be",
"disregarded."
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "200 S. Laurel AVE\nMIDDLETOWN\nNJ\n07748\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IP Team"
],
[
"org",
[],
"text",
"IP Team"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-876-2382"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-18T17:15:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2002-08-24T08:22:47-04:00"
}
],
"handle": "ABUSE7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact [email protected] for all policy abuse issues."
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2701 W 15th ST\nPlano\nTX\n75075\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"abuse"
],
[
"org",
[],
"text",
"abuse"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-919-319-8167"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-29T17:33:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-22T09:44:51-05:00"
}
],
"handle": "AEL-360",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AEL-360",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/org/AEL-360",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"AT&T Enterprises, LLC"
],
[
"adr",
{
"label": "208 S. Akard St.\nDallas\nTX\n75202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-12-05T10:41:35-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-08-20T11:22:43-04:00"
}
],
"handle": "NET-172-0-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/172.0.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-172-0-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/172.0.0.0"
}
],
"name": "SIS-80-8-2012",
"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/172.0.0.0"
}
],
"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/172.0.0.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-172-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "172.0.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}WHOIS Raw
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
NetRange: 172.0.0.0 - 172.15.255.255
CIDR: 172.0.0.0/12
NetName: SIS-80-8-2012
NetHandle: NET-172-0-0-0-1
Parent: NET172 (NET-172-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: AT&T Enterprises, LLC (AEL-360)
RegDate: 2012-08-20
Updated: 2024-12-05
Ref: https://rdap.arin.net/registry/ip/172.0.0.0
AT&T Enterprises, LLC (AEL-360)
OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName: Routing POC
OrgRoutingPhone: +1-999-999-9999
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN
OrgTechHandle: ZS44-ARIN
OrgTechName: IPAdmin-ATT Internet Services
OrgTechPhone: +1-888-510-5545
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN
OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName: abuse
OrgAbusePhone: +1-919-319-8167
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN
OrgTechHandle: ICC-ARIN
OrgTechName: IP Team
OrgTechPhone: +1-888-876-2382
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#