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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS217
UMN-SYSTEM - University of Minnesota Announcing routesAS nameUMN-SYSTEM
OrganisationUniversity of Minnesota
Registry (RIR)ARIN
HandleAS217
RangeAS217
Registered25 Jul 1988
Last changed01 Apr 2025
Abuse contact[email protected]
5IPv4 prefixes
1IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS57 | NL-GIGAPOP - University of Minnesota | 329 |
Downstreams
None seen.
IPv4 prefixes (5)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS217
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of Minnesota | UNIVER-233-Z | Office of Information Technology, 2829 University Ave SE, Room 200G, Minneapolis, MN, 55414, United States | |
| noc, technical, administrative | NTS - Technical Assistance Center | NTA-ORG-ARIN | [email protected], +1-612-301-4357 | 2829 University Ave SE, Room 200G, Minneapolis, MN, 55414, United States |
| abuse | UIS - University Information Security | UUIS-ARIN | [email protected], +1-612-301-4357 | 90 Church St SE, Minneapolis, MN, 55455, United States |
Raw registry response
{
"endAutnum": 217,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-15T12:14:40-04:00"
}
],
"handle": "NTA-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NTA-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/217"
},
{
"href": "https://whois.arin.net/rest/poc/NTA-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/217"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"For additional contact information see: ",
"https://it.umn.edu/contact-us"
],
"title": "Registration Comments"
}
],
"roles": [
"noc",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2829 University Ave SE, Room 200G\nMinneapolis\nMN\n55414\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NTS - Technical Assistance Center"
],
[
"org",
[],
"text",
"University of Minnesota"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-612-301-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-15T12:11:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-09-30T20:27:27-04:00"
}
],
"handle": "UUIS-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UUIS-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/217"
},
{
"href": "https://whois.arin.net/rest/poc/UUIS-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/217"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"For additional information see;",
"https://it.umn.edu/secure-u"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "90 Church St SE\nMinneapolis\nMN\n55455\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UIS - University Information Security"
],
[
"org",
[],
"text",
"University of Minnesota"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-612-301-4357"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-26T13:49:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-10-13T13:59:48-04:00"
}
],
"handle": "UNIVER-233-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-233-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/217"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-233-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/217"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.umn.edu/"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of Minnesota"
],
[
"adr",
{
"label": "Office of Information Technology\n2829 University Ave SE, Room 200G\nMinneapolis\nMN\n55414\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-31T17:02:21-04:00"
},
{
"eventAction": "registration",
"eventDate": "1988-07-25T00:00:00-04:00"
}
],
"handle": "AS217",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/217",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/217"
},
{
"href": "https://whois.arin.net/rest/asn/AS217",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/217"
}
],
"name": "UMN-SYSTEM",
"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/217"
}
],
"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/217"
}
],
"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"
],
"remarks": [
{
"description": [
"The University of Minnesota System Network is operated by the University of Minnesota Office of Information Technology and provides connectivity to the University of Minnesota Campuses and other facilities statewide.\r",
"\r",
"http://www.umn.edu/"
],
"title": "Registration Comments"
}
],
"startAutnum": 217,
"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.