Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS14373

Announcement observedARIN

UTMB - University of Texas Medical Branch · UTMB

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 11:41:26Snapshot expired

View network topology RDAP registration

ASN: AS14373
Registration country: United States
Name: UTMB - University of Texas Medical Branch
Abbreviation: UTMB
Registration date: 12/3/1999, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
129.109.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.106.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.108.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.222.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.238.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.241.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.250.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
129.109.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: UTMB - University of Texas Medical Branch
RIR: ARIN
Registration country: United States
Registration date: 12/3/1999, 05:00:00
Abuse contact: bgrimm@utmb.edu

Snapshot trend

9/30/2026, 11:41:2615 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap