Organization
City of Houston
CHOUSTON
Location
Houston (Central Business District)
Texas, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Texas
- City
- Houston (Central Business District)
- Continent
- North America
- Coordinates
- 29.76, -95.3669 View on map ↗
Network Information
IP Range 204.235.224.0 – 204.235.239.255 CIDR 204.235.224.0/20 Network Name CHOUSTON Handle NET-204-235-224-0-1 Type DIRECT ALLOCATION Parent Network NET-204-0-0-0-0 Organization City of Houston Organization ID COHT Address 611 WALKER ST., SUITE 800, HOUSTON, TX, 77002, United States Country United States (US) Registry ARIN Registered On Feb 13, 1995 Last Updated May 09, 2002 Status
active
ASN & Routing
Origin AS AS32457 AS Name AS32457 - City of Houston, US Announced Prefix 204.235.232.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1995-02-13 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": "204.235.224.0",
"length": 20
}
],
"endAddress": "204.235.239.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-12T11:04:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-18T11:19:12-05:00"
}
],
"handle": "NGUYE1463-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NGUYE1463-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/poc/NGUYE1463-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-18T09:17:16-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-18T11:22:13-05:00"
}
],
"handle": "ALTAM19-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ALTAM19-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/poc/ALTAM19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-12T11:03:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-12-13T17:37:19-05:00"
}
],
"handle": "TTN10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TTN10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/poc/TTN10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-12-10T15:28:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-12-13T18:04:21-05:00"
}
],
"handle": "IIM16-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IIM16-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/poc/IIM16-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"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 2025-12-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse",
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "611 Walker St\nhouston\nTX\n77002\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"IT Infrastructure Manager"
],
[
"org",
{},
"text",
"City of Houston"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-832-986-1222"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-09T10:12:46-04:00"
},
{
"eventAction": "registration",
"eventDate": "1994-12-15T00:00:00-05:00"
}
],
"handle": "COHT",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COHT",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/org/COHT",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"City of Houston"
],
[
"adr",
{
"label": "611 WALKER ST.\nSUITE 800\nHOUSTON\nTX\n77002\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-07-12T15:15:46-04:00"
},
{
"eventAction": "registration",
"eventDate": "2002-05-07T14:12:17-04:00"
}
],
"handle": "VT124-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VT124-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/poc/VT124-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"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 2023-07-12"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2002-05-09T07:17:33-04:00"
},
{
"eventAction": "registration",
"eventDate": "1995-02-13T00:00:00-05:00"
}
],
"handle": "NET-204-235-224-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/204.235.224.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-204-235-224-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.235.232.0"
}
],
"name": "CHOUSTON",
"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/204.235.232.0"
}
],
"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/204.235.232.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-204-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "204.235.224.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.