ASN AS18777 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18777?

AS18777 is listed under Texas State University.

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?

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AS18777 Texas State University

ASN Lookup Tool

Texas State University txstate.edu

US 5 Routes

AS Data

AS18777

AS18777 – Texas State University

AS Number	18777
AS Name	TEXAS-STATE-UNIVERSITY
Organization	Texas State University (tsu-15)
Country	US
Website	txstate.edu
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2006-11-17

ASN Intelligence API for production workflows

Use ASN data for AS18777 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
147.26.255.0/24	AS18777	Texas State University	Texas State University	256
192.92.115.0/24	AS18777	Texas State University	Sam Houston State University	256
147.26.5.0/24	AS18777	Texas State University	Texas State University	256
74.200.138.0/24	AS18777	Texas State University	Texas State University	256
147.26.0.0/16	AS18777	Texas State University	Texas State University	65536

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:       18777
ASName:         TEXAS-STATE-UNIVERSITY
ASHandle:       AS18777
RegDate:        2006-11-17
Updated:        2024-04-22
Ref:            https://rdap.arin.net/registry/autnum/18777


OrgName:        Texas State University
OrgId:          TSU-15
Address:        601 University Drive
City:           San Marcos
StateProv:      TX
PostalCode:     78666
Country:        US
RegDate:        2005-08-18
Updated:        2024-04-22
Ref:            https://rdap.arin.net/registry/entity/TSU-15


OrgNOCHandle: TSUAB-ARIN
OrgNOCName:   TSU Abuse
OrgNOCPhone:  +1-512-245-4225 
OrgNOCEmail:  abuse@txstate.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/TSUAB-ARIN

OrgTechHandle: NETWO9471-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-512-245-9650 
OrgTechEmail:  is-network@txstate.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9471-ARIN

OrgAbuseHandle: TSUAB-ARIN
OrgAbuseName:   TSU Abuse
OrgAbusePhone:  +1-512-245-4225 
OrgAbuseEmail:  abuse@txstate.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TSUAB-ARIN

RTechHandle: TSUAB-ARIN
RTechName:   TSU Abuse
RTechPhone:  +1-512-245-4225 
RTechEmail:  abuse@txstate.edu
RTechRef:    https://rdap.arin.net/registry/entity/TSUAB-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" : "18777",
    "as_handle" : "AS18777",
    "as_name" : "TEXAS-STATE-UNIVERSITY",
    "tech_contacts" : [ "NETWO9471-ARIN", "TSUAB-ARIN" ],
    "abuse_contacts" : [ "TSUAB-ARIN" ],
    "date_created" : "2006-11-17",
    "date_updated" : "2024-04-22",
    "source" : "https://rdap.arin.net/registry/autnum/18777"
  } ],
  "organization" : {
    "handle" : "TSU-15",
    "name" : "Texas State University",
    "address" : [ "601 University Drive", "San Marcos", "TX", "78666", "US" ],
    "street" : "University Drive",
    "city" : "San Marcos",
    "state" : "TX",
    "zip_code" : "78666",
    "country" : [ "US" ],
    "date_created" : "2005-08-18",
    "date_updated" : "2024-04-22",
    "source" : "https://rdap.arin.net/registry/entity/TSU-15",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO9471-ARIN",
    "name" : "Network Operations",
    "email" : [ "is-network@txstate.edu" ],
    "phone" : [ "+1-512-245-9650" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO9471-ARIN"
  }, {
    "handle" : "TSUAB-ARIN",
    "name" : "TSU Abuse",
    "email" : [ "abuse@txstate.edu" ],
    "phone" : [ "+1-512-245-4225" ],
    "source" : "https://rdap.arin.net/registry/entity/TSUAB-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TSUAB-ARIN",
    "name" : "TSU Abuse",
    "email" : [ "abuse@txstate.edu" ],
    "phone" : [ "+1-512-245-4225" ],
    "source" : "https://rdap.arin.net/registry/entity/TSUAB-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7459	Grande Communications Networks, LLC	US
AS13359	LEARN	US
AS14085	LEARN	US
AS22645	LEARN	US
AS16905	LEARN	US

Upstreams

AS Number	Description	Country
AS13359	LEARN	US
AS14085	LEARN	US
AS22645	LEARN	US
AS16905	LEARN	US

Contacts

Email Contacts

is-network@txstate.edu

Abuse Contacts

abuse@txstate.edu