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AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS401009
JSMSR-NETWORK - JSMSR Network Announcing routesAS nameJSMSR-NETWORK
OrganisationJSMSR Network
Registry (RIR)ARIN
HandleAS401009
RangeAS401009
Registered19 Apr 2024
Last changed01 Jan 2026
Abuse contact[email protected]
0IPv4 prefixes
3IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS12198 | JSMSR-LLC - JSMSR Network | 243 |
| AS27523 | KAWAII-NETWORKS - Kawaii Networks LLC | 6 |
Downstreams
None seen.
IPv6 prefixes (3)
RPKI-validate all prefixes of AS401009
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | JSMSR Network | JNL-41 | 1942 Broadway Ste 314C, Boulder, CO, 80302, United States | |
| routing, abuse, noc, dns, technical, administrative | JSMSR | JSMSR-ARIN | [email protected], +1-852-423-9525;ext852 | 1942 Broadway Ste 314C, Boulder, CO, 80302, United States |
Raw registry response
{
"endAutnum": 401009,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-03T13:32:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-04-02T09:03:50-04:00"
}
],
"handle": "JSMSR-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JSMSR-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/401009"
},
{
"href": "https://whois.arin.net/rest/poc/JSMSR-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/401009"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"abuse",
"noc",
"dns",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1942 Broadway Ste 314C\nBoulder\nCO\n80302\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"JSMSR"
],
[
"org",
[],
"text",
"JsMsr NetWork, LLC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-852-423-9525;ext852"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-04-23T16:33:22-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-04-02T09:48:03-04:00"
}
],
"handle": "JNL-41",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JNL-41",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/401009"
},
{
"href": "https://whois.arin.net/rest/org/JNL-41",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/401009"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"JSMSR Network"
],
[
"adr",
{
"label": "1942 Broadway Ste 314C\nBoulder\nCO\n80302\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-01T12:16:50-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-04-19T14:29:47-04:00"
}
],
"handle": "AS401009",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/401009",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/401009"
},
{
"href": "https://whois.arin.net/rest/asn/AS401009",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/401009"
}
],
"name": "JSMSR-NETWORK",
"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/401009"
}
],
"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/401009"
}
],
"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": 401009,
"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.