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AS31883
TIM-2300 - Thornburg Investment Management Inc. Announcing routesAS nameTIM-2300
OrganisationThornburg Investment Management Inc.
Registry (RIR)ARIN
HandleAS31883
RangeAS31883
Registered09 Jan 2020
Last changed09 Jan 2020
2IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 218 |
| AS33654 | CMCS - Comcast Cable Communications, LLC | 7 |
Downstreams
None seen.
IPv4 prefixes (2)
RPKI-validate all prefixes of AS31883
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Thornburg Investment Management Inc. | TIM-50 | 2300 N. Ridgetop Road, Santa Fe, NM, 87506, United States | |
| technical | Noah Laws | LAWSN2-ARIN | [email protected], +1-505-467-7184 | 2300 N Ridgetop Rd NE, Santa Fe, NM, 87111, United States |
| technical, abuse, dns, routing, noc | Noah Laws | LAWSN1-ARIN | [email protected], +1-505-467-7184 | 2300 N Ridgetop Rd, Santa Fe, NM, 87506, United States |
| abuse, dns, technical, routing, noc, administrative | Brad Masopust | MASOP1-ARIN | [email protected], +1-505-467-7403, +1-505-470-6816 | 2300 North Ridgetop Road., Santa Fe, NM, 87506, United States |
Raw registry response
{
"endAutnum": 31883,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T13:03:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-03-17T13:03:38-04:00"
}
],
"handle": "LAWSN2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LAWSN2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31883"
},
{
"href": "https://whois.arin.net/rest/poc/LAWSN2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31883"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
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"4.0"
],
[
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]
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},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T12:55:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-03-17T12:55:55-04:00"
}
],
"handle": "LAWSN1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LAWSN1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31883"
},
{
"href": "https://whois.arin.net/rest/poc/LAWSN1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31883"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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"noc"
],
"status": [
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],
"vcardArray": [
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[
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],
[
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{
"label": "2300 N Ridgetop Rd\nSanta Fe\nNM\n87506\nUnited States"
},
"text",
[
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],
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],
[
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[
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],
[
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{
"type": [
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]
},
"text",
"+1-505-467-7184"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-18T09:37:35-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-02-11T10:53:00-05:00"
}
],
"handle": "MASOP1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MASOP1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31883"
},
{
"href": "https://whois.arin.net/rest/poc/MASOP1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31883"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"dns",
"technical",
"routing",
"noc",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2300 North Ridgetop Road.\nSanta Fe\nNM\n87506\nUnited States"
},
"text",
[
"",
"",
"",
"",
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"",
""
]
],
[
"fn",
[],
"text",
"Brad Masopust"
],
[
"n",
[],
"text",
[
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""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-505-467-7403"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-505-470-6816"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-18T13:31:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-12-23T14:07:22-05:00"
}
],
"handle": "TIM-50",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TIM-50",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31883"
},
{
"href": "https://whois.arin.net/rest/org/TIM-50",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31883"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Thornburg Investment Management Inc."
],
[
"adr",
{
"label": "2300 N. Ridgetop Road\nSanta Fe\nNM\n87506\nUnited States"
},
"text",
[
"",
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]
],
[
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]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-01-09T06:45:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "2020-01-09T06:45:18-05:00"
}
],
"handle": "AS31883",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/31883",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31883"
},
{
"href": "https://whois.arin.net/rest/asn/AS31883",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31883"
}
],
"name": "TIM-2300",
"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/31883"
}
],
"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/31883"
}
],
"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": 31883,
"status": [
"active"
]
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