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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS3676
UIOWA-AS - University of Iowa Announcing routesAS nameUIOWA-AS
OrganisationUniversity of Iowa
Registry (RIR)ARIN
HandleAS3676
RangeAS3676
Registered14 Jun 1994
Last changed02 Jun 2025
Abuse contact[email protected]
3IPv4 prefixes
1IPv6 prefixes
8Upstreams
3Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2381 | WISCNET1-AS - WiscNet | 331 |
| AS6122 | ICN-AS - Iowa Communications Network | 298 |
| AS1299 | TWELVE99 Arelion Sweden AB | 68 |
| AS11164 | INTERNET2-I2PX - Internet2 | 55 |
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2 | 38 |
| AS3257 | GTT-BACKBONE GTT Communications Inc. | 36 |
| AS293 | ESNET - ESnet | 15 |
| AS2698 | IASTATE-AS - Iowa State University of Science and Technology | 3 |
IPv4 prefixes (3)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS3676
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of Iowa | UNIVER-294 | Information Technology Services, 5 LC, Iowa City, IA, 52242, United States | |
| technical, administrative | Andrew Millson | MILLS405-ARIN | [email protected], +1-319-335-6159 | 2800 University Capital Center, Iowa City, IA, 52246, United States |
| noc | Network Operations Center | NOC1452-ARIN | [email protected], +1-319-335-6449 | Information Technology Services, 5 LC, Iowa City, IA, 52242, United States |
| technical | Trevor Timperley | TIMPE9-ARIN | [email protected], +1-319-467-0372 | 240 South Madison Street, Iowa City, IA, 52242, United States |
| technical | hostmaster | HOSTM404-ARIN | [email protected], +1-319-335-6159 | Information Technology Services, 2800 UCC, Iowa City, IA, 52242, United States |
| abuse | network abuse | NETWO442-ARIN | [email protected], +1-319-384-0800 | Information Technology Services , Help Desk, 2800 UCC, Iowa City, IA, 52242, United States |
| technical | Scott Soppe | SOPPE-ARIN | [email protected], +1-319-384-2202 | 240 South Madison Street, Iowa City, IA, 52242, United States |
| technical | Trevor Timperley | TIMPE9-ARIN | [email protected], +1-319-467-0372 | 240 South Madison Street, Iowa City, IA, 52242, United States |
| technical | Scott Soppe | SOPPE-ARIN | [email protected], +1-319-384-2202 | 240 South Madison Street, Iowa City, IA, 52242, United States |
Raw registry response
{
"endAutnum": 3676,
"entities": [
{
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"eventDate": "2026-03-20T08:55:17-04:00"
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{
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"eventDate": "2022-05-24T15:58:17-04:00"
}
],
"handle": "MILLS405-ARIN",
"links": [
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/MILLS405-ARIN",
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}
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},
{
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}
],
"handle": "NOC1452-ARIN",
"links": [
{
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"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
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}
],
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},
{
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"eventDate": "2023-05-15T11:34:18-04:00"
}
],
"handle": "TIMPE9-ARIN",
"links": [
{
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"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
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"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
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},
"text",
[
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},
{
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}
],
"handle": "HOSTM404-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM404-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM404-ARIN",
"rel": "alternate",
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"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
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{
"events": [
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},
{
"eventAction": "registration",
"eventDate": "2003-12-10T15:20:16-05:00"
}
],
"handle": "NETWO442-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO442-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO442-ARIN",
"rel": "alternate",
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"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"status": [
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],
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[
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],
[
"adr",
{
"label": "Information Technology Services\r\nHelp Desk, 2800 UCC\nIowa City\nIA\n52242\nUnited States"
},
"text",
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},
{
"events": [
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"eventDate": "2026-07-07T08:19:59-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-04-14T11:11:43-04:00"
}
],
"handle": "SOPPE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SOPPE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/SOPPE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"status": [
"validated"
],
"vcardArray": [
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[
[
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],
[
"adr",
{
"label": "240 South Madison Street\nIowa City\nIA\n52242\nUnited States"
},
"text",
[
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]
],
[
"fn",
[],
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]
],
[
"kind",
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],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
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]
},
"text",
"+1-319-384-2202"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-31T10:07:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "1987-06-05T00:00:00-04:00"
}
],
"handle": "UNIVER-294",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-294",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-294",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"vcardArray": [
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[
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],
[
"fn",
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],
[
"adr",
{
"label": "Information Technology Services\n5 LC\nIowa City\nIA\n52242\nUnited States"
},
"text",
[
"",
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]
],
[
"kind",
[],
"text",
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]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-29T10:21:37-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-05-15T11:34:18-04:00"
}
],
"handle": "TIMPE9-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TIMPE9-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/TIMPE9-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "240 South Madison Street\nIowa City\nIA\n52242\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Trevor Timperley"
],
[
"n",
[],
"text",
[
"Timperley",
"Trevor",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-319-467-0372"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-07T08:19:59-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-04-14T11:11:43-04:00"
}
],
"handle": "SOPPE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SOPPE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/poc/SOPPE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "240 South Madison Street\nIowa City\nIA\n52242\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Scott Soppe"
],
[
"n",
[],
"text",
[
"Soppe",
"Scott",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-319-384-2202"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-02T10:02:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "1994-06-14T00:00:00-04:00"
}
],
"handle": "AS3676",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/3676",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/3676"
},
{
"href": "https://whois.arin.net/rest/asn/AS3676",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/3676"
}
],
"name": "UIOWA-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/3676"
}
],
"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/3676"
}
],
"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": 3676,
"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.
