Organization
Oklahoma State University
NETBLK-UCT-C
Location
Tulsa
Oklahoma, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Oklahoma
- City
- Tulsa
- Continent
- North America
- Coordinates
- 36.1638, -95.9875 View on map ↗
Network Information
IP Range 198.183.248.0 – 198.183.249.255 CIDR 198.183.248.0/23 Network Name NETBLK-UCT-C Handle NET-198-183-248-0-1 Type DIRECT ALLOCATION Parent Network NET-198-0-0-0-0 Organization Oklahoma State University Organization ID OSU-24-Z Address 700 N Greenwood Ave, Tulsa, OK, 74106, United States Country United States (US) Registry ARIN Registered On Sep 10, 1993 Last Updated Oct 06, 2021 Status
active
ASN & Routing
Origin AS AS395421 AS Name OKSTATE - Oklahoma State University, US Announced Prefix 198.183.248.0/23 AS Registry ARIN Prefix Country United States (US) Allocated 1993-09-10 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": "198.183.248.0",
"length": 23
}
],
"endAddress": "198.183.249.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-23T09:53:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-05-01T15:24:07-04:00"
}
],
"handle": "HOSTM2087-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM2087-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM2087-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 IT Building\nStillwater\nOK\n74078\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Hostmaster"
],
[
"org",
{},
"text",
"Oklahoma State University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-405-744-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-03T12:12:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2003-03-05T17:56:18-05:00"
}
],
"handle": "NSO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NSO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
},
{
"href": "https://whois.arin.net/rest/poc/NSO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 IT Building\r\nOklahoma State University\nStillwater\nOK\n74078\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Security Officer"
],
[
"org",
{},
"text",
"Oklahoma State University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-405-744-7858"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-03T12:12:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2012-01-20T11:57:30-05:00"
}
],
"handle": "HOSTM1765-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM1765-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM1765-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"dns",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 IT Building\nStillwater\nOK\n74078\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Hostmaster"
],
[
"org",
{},
"text",
"Oklahoma State University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-405-744-4357"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-09-02T17:48:36-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-09-02T17:48:36-04:00"
}
],
"handle": "OSU-24-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OSU-24-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
},
{
"href": "https://whois.arin.net/rest/org/OSU-24-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Oklahoma State University"
],
[
"adr",
{
"label": "700 N Greenwood Ave\nTulsa\nOK\n74106\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-10-06T14:09:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "1993-09-10T00:00:00-04:00"
}
],
"handle": "NET-198-183-248-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/198.183.248.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-198-183-248-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.183.248.0"
}
],
"name": "NETBLK-UCT-C",
"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/198.183.248.0"
}
],
"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/198.183.248.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-198-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "198.183.248.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.