Organization
Columbia Health Care
NETBLK-COLUMBIAHEALTH
Location
The Colony
Texas, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Texas
- City
- The Colony
- Continent
- North America
- Coordinates
- 33.089, -96.8864 View on map ↗
Network Information
IP Range 199.91.32.0 – 199.91.41.255 CIDR 199.91.32.0/21, 199.91.40.0/23 Network Name NETBLK-COLUMBIAHEALTH Handle NET-199-91-32-0-1 Type DIRECT ALLOCATION Parent Network NET-199-0-0-0-0 Organization Columbia Health Care Organization ID CHC-5 Address 2555 Park Plaza, Nashville, TN, 37203, United States Country United States (US) Registry ARIN Registered On Dec 21, 1993 Last Updated Dec 15, 2021 Status
active
ASN & Routing
Origin AS AS14626 AS Name COLUMBIA-HCA - Columbia/HCA Healthcare, Inc., US Announced Prefix 199.91.34.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1993-12-21 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": "199.91.32.0",
"length": 21
},
{
"v4prefix": "199.91.40.0",
"length": 23
}
],
"endAddress": "199.91.41.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-03T12:05:29-05:00"
},
{
"eventAction": "registration",
"eventDate": "1999-09-01T12:19:40-04:00"
}
],
"handle": "NO55-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NO55-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
},
{
"href": "https://whois.arin.net/rest/poc/NO55-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2555 Park Plaza\nNashville\nTN\n37203\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Columbia HCA Healthcare Inc"
],
[
"org",
{},
"text",
"Columbia/HCA Healthcare, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-615-344-2772;ext2"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-09-24T08:30:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "1993-11-30T00:00:00-05:00"
}
],
"handle": "CHC-5",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CHC-5",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
},
{
"href": "https://whois.arin.net/rest/org/CHC-5",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Columbia Health Care"
],
[
"adr",
{
"label": "2555 Park Plaza\nNashville\nTN\n37203\nUnited States"
},
"text",
[
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"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
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]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-03T12:05:29-05:00"
},
{
"eventAction": "registration",
"eventDate": "1999-09-01T12:19:40-04:00"
}
],
"handle": "NO55-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NO55-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
},
{
"href": "https://whois.arin.net/rest/poc/NO55-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2555 Park Plaza\nNashville\nTN\n37203\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Columbia HCA Healthcare Inc"
],
[
"org",
{},
"text",
"Columbia/HCA Healthcare, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-615-344-2772;ext2"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-12-21T00:00:00-05:00"
}
],
"handle": "NET-199-91-32-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/199.91.32.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-199-91-32-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.91.34.0"
}
],
"name": "NETBLK-COLUMBIAHEALTH",
"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/199.91.34.0"
}
],
"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/199.91.34.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-199-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "199.91.32.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.