WHOIS / RDAP
AS27451
WHOIS & RDAP Lookup
RDAP
- Network name
- USO-ASN
- Handle
- AS27451
- Registered
- Mar 10, 2003
- Last changed
- Mar 2, 2012
- Status
- active
Contacts & roles
- registrantUSONCUS Oncology, Inc.
- technicalabuseadministrativeNIT2-ARINNetwork Infrastructure Team[email protected]
View raw response
{
"endAutnum": 27451,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-09T08:54:01-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-12-18T16:31:44-05:00"
}
],
"handle": "NIT2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NIT2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27451"
},
{
"href": "https://whois.arin.net/rest/poc/NIT2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27451"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6555 State Highway 161\nIrving\nTX\n75039\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Infrastructure Team"
],
[
"org",
{},
"text",
"McKesson Corporation"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-972-446-4800;extN/A"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-03-22T10:50:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2003-02-25T15:01:42-05:00"
}
],
"handle": "USONC",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USONC",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27451"
},
{
"href": "https://whois.arin.net/rest/org/USONC",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27451"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"US Oncology Inc is a subsidiary of McKesson."
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"US Oncology, Inc."
],
[
"adr",
{
"label": "10101 Woodloch Forest\nThe Woodlands\nTX\n77380\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-02T08:03:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-03-10T18:21:07-05:00"
}
],
"handle": "AS27451",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/27451",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27451"
},
{
"href": "https://whois.arin.net/rest/asn/AS27451",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27451"
}
],
"name": "USO-ASN",
"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/autnum/27451"
}
],
"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/autnum/27451"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 27451,
"status": [
"active"
]
}