Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS1638
MCC-CAMPUS - Mott Community College Announcing routesAS nameMCC-CAMPUS
OrganisationMott Community College
Registry (RIR)ARIN
HandleAS1638
RangeAS1638
Registered14 Aug 2009
Last changed20 Jun 2023
Abuse contact[email protected]
2IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS237 | MERIT-AS-14 - Merit Network Inc. | 229 |
| AS63242 | AS-CMN-LS - Metronet | 1 |
Downstreams
None seen.
IPv4 prefixes (2)
RPKI-validate all prefixes of AS1638
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Mott Community College | MCC-35 | 1401 East Court Street, Flint, MI, 48503, United States | |
| abuse, technical | MCC Network Administrators | MNA88-ARIN | [email protected], +1-810-762-4357 | Information Technology Services, 1401 East Court Street, Flint, MI, 48503, United States |
| administrative | Rhys Barrie | BARRI191-ARIN | [email protected], +1-810-762-0030 | 1401 E Court Street, Information Technology Services, Flint, MI, 48503, United States |
Raw registry response
{
"endAutnum": 1638,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-21T12:33:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-21T14:33:15-04:00"
}
],
"handle": "MNA88-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MNA88-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1638"
},
{
"href": "https://whois.arin.net/rest/poc/MNA88-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1638"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://www.mcc.edu/its/index.shtml",
"Hours: 8:00 AM to 5:00 PM EST"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology Services\n1401 East Court Street\nFlint\nMI\n48503\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"MCC Network Administrators"
],
[
"org",
[],
"text",
"Mott Community College"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-810-762-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-09-09T15:32:12-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-12T13:18:59-04:00"
}
],
"handle": "BARRI191-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BARRI191-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1638"
},
{
"href": "https://whois.arin.net/rest/poc/BARRI191-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1638"
}
],
"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 2025-09-09"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1401 E Court Street\nInformation Technology Services\nFlint\nMI\n48503\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Rhys Barrie"
],
[
"n",
[],
"text",
[
"Barrie",
"Rhys",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-810-762-0030"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-22T08:23:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "1992-04-02T00:00:00-05:00"
}
],
"handle": "MCC-35",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MCC-35",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1638"
},
{
"href": "https://whois.arin.net/rest/org/MCC-35",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1638"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Mott Community College"
],
[
"adr",
{
"label": "1401 East Court Street\nFlint\nMI\n48503\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-19T14:37:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-08-14T09:18:56-04:00"
}
],
"handle": "AS1638",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/1638",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1638"
},
{
"href": "https://whois.arin.net/rest/asn/AS1638",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1638"
}
],
"name": "MCC-CAMPUS",
"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/1638"
}
],
"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/1638"
}
],
"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": 1638,
"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.
