Registry · RDAP Original response
https://rdap.arin.net/registry/ip/156.154.149.60
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "156.154.147.0",
"length": 24
},
{
"v4prefix": "156.154.148.0",
"length": 23
}
],
"endAddress": "156.154.149.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-30T09:42:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-06-30T09:42:26-04:00"
}
],
"handle": "TIEDE6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TIEDE6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/TIEDE6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W Adams St\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Eric Tiedemann"
],
[
"n",
[],
"text",
[
"Tiedemann",
"Eric",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"eric.tiedemann@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-833-806-1627"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-05T13:59:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-01-09T14:54:52-05:00"
}
],
"handle": "GOC10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GOC10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/GOC10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W. Adams\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"GOC"
],
[
"org",
[],
"text",
"TransUnion"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"GOC@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-985-4362"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-08T16:28:02-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-01-09T15:02:11-05:00"
}
],
"handle": "NETWO10022-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO10022-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO10022-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-01-08"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W. Adams\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"TransUnion"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"PDLNETWORKOPS@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-985-4362"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-20T14:01:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-08-20T14:01:32-04:00"
}
],
"handle": "BARRA105-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BARRA105-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/BARRA105-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W Adams St\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Oscar Barrantes"
],
[
"n",
[],
"text",
[
"Barrantes",
"Oscar",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"oscar.barrantes@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-833-806-1627"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-20T19:06:13-05:00"
},
{
"eventAction": "registration",
"eventDate": "2026-02-20T19:06:13-05:00"
}
],
"handle": "PLATT78-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PLATT78-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/PLATT78-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "11955 Democracy Drive\n16th Floor\nReston\nVA\n20190\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Daniel Platt"
],
[
"n",
[],
"text",
[
"Platt",
"Daniel",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"daniel.platt@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-833-806-1627"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-08T16:28:14-05:00"
},
{
"eventAction": "registration",
"eventDate": "2007-06-06T15:54:32-04:00"
}
],
"handle": "TIQ-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TIQ-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/TIQ-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-01-08"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W. Adams\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Tariq Iqbal"
],
[
"n",
[],
"text",
[
"Iqbal",
"Tariq",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"tiqbal@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-985-3889"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-773-858-8166"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-05T10:36:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-08-05T14:17:06-04:00"
}
],
"handle": "CALDE247-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CALDE247-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/poc/CALDE247-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "555 W Adams St\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Andrey Calderon"
],
[
"n",
[],
"text",
[
"Calderon",
"Andrey",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"andrey.calderon@transunion.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-888-8888"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-20T14:02:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-06-06T17:56:43-04:00"
}
],
"handle": "TUL-7",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TUL-7",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/org/TUL-7",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Trans Union, LLC"
],
[
"adr",
{
"label": "555 W. Adams\nChicago\nIL\n60661\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T09:30:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2003-12-18T15:57:18-05:00"
}
],
"handle": "NET-156-154-147-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/156.154.147.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
},
{
"href": "https://whois.arin.net/rest/net/NET-156-154-147-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/156.154.149.60"
}
],
"name": "TUL-7",
"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/156.154.149.60"
}
],
"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/156.154.149.60"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-156-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "156.154.147.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}