ASN AS14373 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS14373?

AS14373 is listed under University of Texas Medical Branch.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS14373 University of Texas Medical Branch

ASN Lookup Tool

University of Texas Medical Branch utmb.edu

US 14 Routes

AS Data

AS14373

AS14373 – University of Texas Medical Branch

AS Number	14373
AS Name	UTMB
Organization	University of Texas Medical Branch (utmb)
Country	US
Website	utmb.edu
Number of IPv4 Routes	14
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1999-12-03

ASN Intelligence API for production workflows

Use ASN data for AS14373 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
129.109.222.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.241.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.220.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.238.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.0.0/16	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	65536
129.109.151.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.128.0/17	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	32768
129.109.242.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256
129.109.0.0/17	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	32768
129.109.221.0/24	AS14373	University of Texas Medical Branch	University of Texas Medical Branch	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       14373
ASName:         UTMB
ASHandle:       AS14373
RegDate:        1999-12-03
Updated:        2012-03-20
Ref:            https://rdap.arin.net/registry/autnum/14373


OrgName:        University of Texas Medical Branch
OrgId:          UTMB
Address:        301 University Boulevard, Suite 1.116
City:           Galveston
StateProv:      TX
PostalCode:     77555
Country:        US
RegDate:        1999-12-03
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/UTMB


OrgAbuseHandle: GRIMM1-ARIN
OrgAbuseName:   Grimm, Brian 
OrgAbusePhone:  +1-409-747-8466 
OrgAbuseEmail:  bgrimm@utmb.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRIMM1-ARIN

OrgTechHandle: GRIMM1-ARIN
OrgTechName:   Grimm, Brian 
OrgTechPhone:  +1-409-747-8466 
OrgTechEmail:  bgrimm@utmb.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/GRIMM1-ARIN

RTechHandle: BC426-ARIN
RTechName:   Cunningham, Bob 
RTechPhone:  +1-713-499-6575 
RTechEmail:  bcunningham@houston.omnes.slb.com
RTechRef:    https://rdap.arin.net/registry/entity/BC426-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "14373",
    "as_handle" : "AS14373",
    "as_name" : "UTMB",
    "tech_contacts" : [ "GRIMM1-ARIN", "BC426-ARIN" ],
    "abuse_contacts" : [ "GRIMM1-ARIN" ],
    "date_created" : "1999-12-03",
    "date_updated" : "2012-03-20",
    "source" : "https://rdap.arin.net/registry/autnum/14373"
  } ],
  "organization" : {
    "handle" : "UTMB",
    "name" : "University of Texas Medical Branch",
    "address" : [ "301 University Boulevard, Suite 1.116", "Galveston", "TX", "77555", "US" ],
    "street" : "University Boulevard",
    "city" : "Galveston",
    "state" : "TX",
    "zip_code" : "77555",
    "country" : [ "US" ],
    "date_created" : "1999-12-03",
    "date_updated" : "2011-09-24",
    "source" : "https://rdap.arin.net/registry/entity/UTMB",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "GRIMM1-ARIN",
    "name" : "Grimm, Brian",
    "email" : [ "bgrimm@utmb.edu" ],
    "phone" : [ "+1-409-747-8466" ],
    "source" : "https://rdap.arin.net/registry/entity/GRIMM1-ARIN"
  }, {
    "handle" : "BC426-ARIN",
    "name" : "Cunningham, Bob",
    "email" : [ "bcunningham@houston.omnes.slb.com" ],
    "phone" : [ "+1-713-499-6575" ],
    "source" : "https://rdap.arin.net/registry/entity/BC426-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GRIMM1-ARIN",
    "name" : "Grimm, Brian",
    "email" : [ "bgrimm@utmb.edu" ],
    "phone" : [ "+1-409-747-8466" ],
    "source" : "https://rdap.arin.net/registry/entity/GRIMM1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS64999
AS7018	AT&T Enterprises, LLC	US
AS6922	Texas Department of Information Resources	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS6922	Texas Department of Information Resources	US