Organization
CERFnet customer - The Health Information Network Connection
CERF-THINC-A
Location
New York
New York, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- New York
- City
- New York
- Continent
- North America
- Coordinates
- 40.7567, -73.9834 View on map ↗
Network Information
IP Range 207.252.48.0 – 207.252.51.255 CIDR 207.252.48.0/22 Network Name CERF-THINC-A Handle NET-207-252-48-0-1 Type ASSIGNMENT Parent Network NET-207-252-0-0-1 Organization CERFnet customer - The Health Information Network Connection Organization ID CCHINC-1 Address 1155 Avenue of the Americas, New York, NY, 10036, United States Country United States (US) Registry ARIN Registered On Dec 05, 1997 Last Updated Dec 05, 1997 Status
active
ASN & Routing
Origin AS AS7018 AS Name ATT-INTERNET4 - AT&T Enterprises, LLC, US Announced Prefix 207.252.0.0/16 AS Registry ARIN Prefix Country United States (US) Allocated 1996-11-21 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "207.252.48.0",
"length": 22
}
],
"endAddress": "207.252.51.255",
"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/207.252.51.0"
},
{
"href": "https://whois.arin.net/rest/poc/CKN23-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"There is no known POC for this organization. This is a placeholder record. Please contact [email protected] 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": [
"administrative",
"technical",
"abuse"
],
"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",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-800-555-1234"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-09-24T08:30:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "1997-12-05T00:00:00-05:00"
}
],
"handle": "CCHINC-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CCHINC-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
},
{
"href": "https://whois.arin.net/rest/org/CCHINC-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"CERFnet customer - The Health Information Network Connection"
],
[
"adr",
{
"label": "1155 Avenue of the Americas\nNew York\nNY\n10036\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2015-10-25T19:00:53-04:00"
}
],
"handle": "CERF-HM-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CERF-HM-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
},
{
"href": "https://whois.arin.net/rest/poc/CERF-HM-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
}
],
"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 2016-10-24"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "P.O. Box 919014\nSan Diego\nCA\n92191\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"ATand T Enhanced Network Services"
],
[
"org",
{},
"text",
"AT&T Enhanced Network Services"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-812-5000"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "1997-12-05T06:04:49-05:00"
},
{
"eventAction": "registration",
"eventDate": "1997-12-05T00:00:00-05:00"
}
],
"handle": "NET-207-252-48-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/207.252.48.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-207-252-48-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
},
{
"href": "https://rdap.arin.net/registry/ip/207.252.0.0/16",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/207.252.51.0"
}
],
"name": "CERF-THINC-A",
"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/207.252.51.0"
}
],
"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/207.252.51.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-207-252-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "207.252.48.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
} Contact details of private individuals are redacted.