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
AS40128
MUSFIBERNET - Morristown Utility Systems Announcing routesAS nameMUSFIBERNET
OrganisationMorristown Utility Systems
Registry (RIR)ARIN
HandleAS40128
RangeAS40128
Registered28 Jul 2006
Last changed05 Mar 2024
Abuse contact[email protected]
8IPv4 prefixes
0IPv6 prefixes
10Upstreams
6Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 1456 |
| AS14016 | CAPCON-NETWORK-LLC - Capcon Networks | 346 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 39 |
| AS37468 | Angola Cables - Angola Cables | 4 |
| AS137409 | GSLNETWORKS-AS-AP - GSL Networks Pty LTD | 3 |
| AS13786 | SEABORN - Seabras 1 USA, LLC | 3 |
| AS52320 | AS52320 - GlobeNet Cabos Submarinos Colombia, S.A.S. | 2 |
| AS6057 | AS6057 - Administracion Nacional de Telecomunicaciones | 2 |
| AS60171 | AFRIX-AS AFR-IX TELECOM S.A. | 1 |
| AS7195 | AS7195 - EDGEUNO S.A.S | 1 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS398854 | ULTRANETWIFI - Ultranet, LLC | 254 |
| AS402547 | JWYNEGARJR-INC - J | 252 |
| AS36367 | AGN-TECH - Alchemy Global Networks, LLC | 251 |
| AS62923 | LWP-ASN - Lakeway Publishers, Inc. | 251 |
| AS40798 | WALLACE-HARDWARE - Wallace Hardware Co., Inc. | 250 |
| AS55024 | WSCC-AS1 - Walters State Community College | 11 |
IPv4 prefixes (8)
RPKI-validate all prefixes of AS40128
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Morristown Utility Systems | MUS-2 | 915 Jarnigan Ave, Morristown, TN, 37814, United States | |
| abuse, routing, technical, administrative, noc | Network Engineering | NETWO10060-ARIN | [email protected], +1-423-586-4121 | 915 Jarnigan Ave., Morristown, TN, 37814, United States |
| technical, abuse, noc | Network Engineering | NETWO10060-ARIN | [email protected], +1-423-586-4121 | 915 Jarnigan Ave., Morristown, TN, 37814, United States |
Raw registry response
{
"endAutnum": 40128,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-03T13:56:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-03-04T14:48:21-05:00"
}
],
"handle": "NETWO10060-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO10060-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40128"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO10060-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40128"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"routing",
"technical",
"administrative",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "915 Jarnigan Ave.\nMorristown\nTN\n37814\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Engineering"
],
[
"org",
[],
"text",
"Morristown Utility Systems"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-423-586-4121"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-03-04T16:04:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-03-06T21:09:34-05:00"
}
],
"handle": "MUS-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MUS-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40128"
},
{
"href": "https://whois.arin.net/rest/org/MUS-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40128"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Morristown Utility Systems"
],
[
"adr",
{
"label": "915 Jarnigan Ave\nMorristown\nTN\n37814\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-03T13:56:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-03-04T14:48:21-05:00"
}
],
"handle": "NETWO10060-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO10060-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40128"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO10060-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40128"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "915 Jarnigan Ave.\nMorristown\nTN\n37814\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Engineering"
],
[
"org",
[],
"text",
"Morristown Utility Systems"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-423-586-4121"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-03-04T16:11:41-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-07-27T16:06:36-04:00"
}
],
"handle": "AS40128",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/40128",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40128"
},
{
"href": "https://whois.arin.net/rest/asn/AS40128",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40128"
}
],
"name": "MUSFIBERNET",
"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/40128"
}
],
"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/40128"
}
],
"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": [
"[email protected]"
],
"title": "Registration Comments"
}
],
"startAutnum": 40128,
"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.
