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AS4201
ORST-AS - Oregon State University Announcing routesAS nameORST-AS
OrganisationOregon State University
Registry (RIR)ARIN
HandleAS4201
RangeAS4201
Registered05 Jan 1995
Last changed24 Feb 2023
3IPv4 prefixes
1IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3701 | LINK-OREGON - University of Oregon | 397 |
Downstreams
None seen.
IPv4 prefixes (3)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS4201
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Oregon State University | OSU-3-Z | Network Services, Kerr Administration Bldg, Corvallis, OR, 97331, United States | |
| abuse, technical | Anthony Brock | BROCK9-ARIN | [email protected], +1-541-737-9607 | Network Services , B211 Kerr Administration, Corvallis, OR, 97331, United States |
| administrative | Johan Reinalda | REINA15-ARIN | [email protected], +1-541-737-1000 | 3731 SW jefferson Way, Corvallis, OR, 97333, United States |
| technical, abuse | Hostmaster | HOSTM1272-ARIN | [email protected], +1-541-737-4948 | 3731 Jefferson Way, Corvallis, OR, 97331, United States |
Raw registry response
{
"endAutnum": 4201,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-04-21T11:21:33-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-05-11T14:03:29-04:00"
}
],
"handle": "BROCK9-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BROCK9-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4201"
},
{
"href": "https://whois.arin.net/rest/poc/BROCK9-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4201"
}
],
"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 2023-04-21"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Network Services\r\nB211 Kerr Administration\nCorvallis\nOR\n97331\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Anthony Brock"
],
[
"n",
[],
"text",
[
"Brock",
"Anthony",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-541-737-9607"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-31T13:07:08-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-08-07T14:35:47-04:00"
}
],
"handle": "REINA15-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/REINA15-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4201"
},
{
"href": "https://whois.arin.net/rest/poc/REINA15-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4201"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3731 SW jefferson Way\nCorvallis\nOR\n97333\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Johan Reinalda"
],
[
"n",
[],
"text",
[
"Reinalda",
"Johan",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-541-737-1000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-27T14:41:51-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-09-09T15:26:40-04:00"
}
],
"handle": "HOSTM1272-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM1272-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4201"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM1272-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4201"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3731 Jefferson Way\nCorvallis\nOR\n97331\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Hostmaster"
],
[
"org",
[],
"text",
"Oregon State University"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-541-737-4948"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-01-06T13:25:27-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-01-06T13:25:27-05:00"
}
],
"handle": "OSU-3-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OSU-3-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4201"
},
{
"href": "https://whois.arin.net/rest/org/OSU-3-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4201"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Oregon State University"
],
[
"adr",
{
"label": "Network Services\nKerr Administration Bldg\nCorvallis\nOR\n97331\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-02-23T14:47:20-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-01-05T00:00:00-05:00"
}
],
"handle": "AS4201",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/4201",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4201"
},
{
"href": "https://whois.arin.net/rest/asn/AS4201",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4201"
}
],
"name": "ORST-AS",
"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/autnum/4201"
}
],
"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/autnum/4201"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 4201,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.