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
AS10546
MSSTATE - Mississippi State University Announcing routesAS nameMSSTATE
OrganisationMississippi State University
Registry (RIR)ARIN
HandleAS10546
RangeAS10546
Registered11 Sep 1997
Last changed06 Mar 2025
Abuse contact[email protected]
5IPv4 prefixes
2IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS396926 | CSPIRE-MISSION-01 - C Spire Fiber | 507 |
Downstreams
None seen.
IPv6 prefixes (2)
RPKI-validate all prefixes of AS10546
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Mississippi State University | MSU-9-Z | P. O. Box 9697, Mississippi State, MS, 39762, United States | |
| technical | Jordan Pineda | PINED52-ARIN | [email protected], +1-662-325-9311, +1-662-325-8921 | Box 9697, Mississippi State, MS, 39762, United States |
| administrative | Gerhard Mark Lehnerer | GML3-ARIN | [email protected], +1-662-325-9153, +1-662-325-8921 | Box 9697, Mississippi State, MS, 39762, United States |
| noc | Todd Hall | HALLT58-ARIN | [email protected], +1-662-325-9311, +1-662-325-8921 | Box 9697, Mississippi State, MS, 39762, United States |
| abuse | Mississippi State University Abuse Contact | MSUAC-ARIN | [email protected], +1-662-325-9311 | Box 9697, Mississippi State, MS, 39762, United States |
| technical, noc | Jordan Pineda | PINED52-ARIN | [email protected], +1-662-325-9311, +1-662-325-8921 | Box 9697, Mississippi State, MS, 39762, United States |
| abuse | Mississippi State University Abuse Contact | MSUAC-ARIN | [email protected], +1-662-325-9311 | Box 9697, Mississippi State, MS, 39762, United States |
Raw registry response
{
"endAutnum": 10546,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-07T08:45:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-01-07T08:45:44-05:00"
}
],
"handle": "PINED52-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PINED52-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/PINED52-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"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 2026-01-07"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jordan Pineda"
],
[
"n",
[],
"text",
[
"Pineda",
"Jordan",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9311"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-662-325-8921"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-31T11:21:47-04:00"
},
{
"eventAction": "registration",
"eventDate": "2010-02-04T12:17:39-05:00"
}
],
"handle": "GML3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GML3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/GML3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Gerhard Mark Lehnerer"
],
[
"n",
[],
"text",
[
"Lehnerer",
"Gerhard",
"Mark",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9153"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-662-325-8921"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-04-01T11:04:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-12-19T11:06:30-05:00"
}
],
"handle": "HALLT58-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HALLT58-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/HALLT58-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"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 2025-04-01"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Todd Hall"
],
[
"n",
[],
"text",
[
"Hall",
"Todd",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9311"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-662-325-8921"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-31T11:22:12-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-09T14:33:50-05:00"
}
],
"handle": "MSUAC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MSUAC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/MSUAC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Mississippi State University Abuse Contact"
],
[
"org",
[],
"text",
"Mississippi State University"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9311"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-04-01T14:46:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-03-07T12:54:19-05:00"
}
],
"handle": "MSU-9-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MSU-9-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/org/MSU-9-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Mississippi State University"
],
[
"adr",
{
"label": "P. O. Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-07T08:45:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-01-07T08:45:44-05:00"
}
],
"handle": "PINED52-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PINED52-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/PINED52-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"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 2026-01-07"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jordan Pineda"
],
[
"n",
[],
"text",
[
"Pineda",
"Jordan",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9311"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-662-325-8921"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-31T11:22:12-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-09T14:33:50-05:00"
}
],
"handle": "MSUAC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MSUAC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/poc/MSUAC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Box 9697\nMississippi State\nMS\n39762\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Mississippi State University Abuse Contact"
],
[
"org",
[],
"text",
"Mississippi State University"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-662-325-9311"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-06T10:19:05-05:00"
},
{
"eventAction": "registration",
"eventDate": "1997-09-11T00:00:00-04:00"
}
],
"handle": "AS10546",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/10546",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10546"
},
{
"href": "https://whois.arin.net/rest/asn/AS10546",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10546"
}
],
"name": "MSSTATE",
"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/10546"
}
],
"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/10546"
}
],
"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": 10546,
"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.