Organization
University of Texas Southwestern Medical Center
UTSWMED
Location
Dallas
Texas, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Texas
- City
- Dallas
- Continent
- North America
- Coordinates
- 32.8138, -96.8402 View on map ↗
Network Information
IP Range 2620:0:840:: – 2620:0:840:ffff:ffff:ffff:ffff:ffff CIDR 2620:0:840::/48 Network Name UTSWMED Handle NET6-2620-840-1 Type DIRECT ALLOCATION Parent Network NET6-2620-1 Organization University of Texas Southwestern Medical Center Organization ID USMCAD Address 5323 Harry Hines, Dallas, TX, 75235-8595, United States Country United States (US) Registry ARIN Registered On Sep 19, 2007 Last Updated Dec 15, 2021 Status
active
ASN & Routing
Origin AS AS13998 AS Name SWMED - University of Texas Southwestern Medical Center, US Announced Prefix 2620:0:840::/48 AS Registry ARIN Prefix Country United States (US) Allocated 2007-09-19 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2620:0:840::",
"length": 48
}
],
"endAddress": "2620:0:840:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-05-09T08:18:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2012-03-26T16:46:28-04:00"
}
],
"handle": "USMC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USMC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
},
{
"href": "https://whois.arin.net/rest/poc/USMC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5323 Harry Hines Blvd.\nDallas\nTX\n75390\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"UT Southwestern Medical Center"
],
[
"org",
{},
"text",
"UT Southwestern Medical Center"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-648-0642"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-09-09T10:50:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "1994-06-14T00:00:00-04:00"
}
],
"handle": "USMCAD",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USMCAD",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
},
{
"href": "https://whois.arin.net/rest/org/USMCAD",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Texas Southwestern Medical Center"
],
[
"adr",
{
"label": "5323 Harry Hines\nDallas\nTX\n75235-8595\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:42-05:00"
},
{
"eventAction": "registration",
"eventDate": "2007-09-19T15:31:25-04:00"
}
],
"handle": "NET6-2620-840-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2620:0:840::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2620-840-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:840::"
}
],
"name": "UTSWMED",
"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/ip/2620:0:840::"
}
],
"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/ip/2620:0:840::"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2620-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2620:0:840::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.