Organization
U.S. Department of the Interior
DASCNET1
Location
Albuquerque
New Mexico, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- New Mexico
- City
- Albuquerque
- Continent
- North America
- Coordinates
- 35.0844, -106.65 View on map ↗
Network Information
IP Range 204.153.228.0 – 204.153.231.255 CIDR 204.153.228.0/22 Network Name DASCNET1 Handle NET-204-153-228-0-1 Type DIRECT ALLOCATION Parent Network NET-204-0-0-0-0 Organization U.S. Department of the Interior Organization ID UDI-1-Z Address 1849 C St., N.W., Washington, DC, 20240, United States Country United States (US) Registry ARIN Registered On Feb 10, 1995 Last Updated Nov 21, 2023 Status
active
ASN & Routing
Origin AS AS4297 AS Name CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC, US Announced Prefix 204.153.231.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1995-02-10 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": "204.153.228.0",
"length": 22
}
],
"endAddress": "204.153.231.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-29T12:10:09-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-09-09T17:10:34-04:00"
}
],
"handle": "STEVE25-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/STEVE25-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
},
{
"href": "https://whois.arin.net/rest/poc/STEVE25-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"dns",
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1 Denver Federal Center W. 6th & Kipling, Bldg 53\nLakewood\nCO\n80225\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Steven A Harrington"
],
[
"n",
{},
"text",
[
"Harrington",
"Steven",
"A",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-303-969-6629"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-303-564-8342"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-30T10:25:08-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-02-01T18:19:12-05:00"
}
],
"handle": "AYS-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AYS-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
},
{
"href": "https://whois.arin.net/rest/poc/AYS-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
}
],
"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 2026-01-30"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "12201 Sunrise Valley Drive 2P101 MS-241\nReston\nVA\n20192\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Amy Y Shaw"
],
[
"n",
{},
"text",
[
"Shaw",
"Amy",
"Y",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-703-487-3864"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-703-622-6097"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-28T08:30:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-01-28T12:46:30-05:00"
}
],
"handle": "PICKE159-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PICKE159-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
},
{
"href": "https://whois.arin.net/rest/poc/PICKE159-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
}
],
"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": "2025-01-28T13:07:35-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-11-15T13:04:39-05:00"
}
],
"handle": "UDI-1-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UDI-1-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
},
{
"href": "https://whois.arin.net/rest/org/UDI-1-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"U.S. Department of the Interior"
],
[
"adr",
{
"label": "1849 C St., N.W.\nWashington\nDC\n20240\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-11-21T13:20:12-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-02-10T00:00:00-05:00"
}
],
"handle": "NET-204-153-228-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/204.153.228.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-204-153-228-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.153.231.0"
}
],
"name": "DASCNET1",
"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/204.153.231.0"
}
],
"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/204.153.231.0"
}
],
"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": "204.153.228.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.