ASN AS23481 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23481?

AS23481 is listed under Hill Country Telephone Cooperative, Inc..

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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AS23481 Hill Country Telephone Cooperative, Inc.

ASN Lookup Tool

Hill Country Telephone Cooperative, Inc. hctc.coop

US 25 Routes

AS Data

AS23481

AS23481 – Hill Country Telephone Cooperative, Inc.

AS Number	23481
AS Name	HCTC-LINK1
Organization	Hill Country Telephone Cooperative, Inc. (hctc-3)
Country	US
Website	hctc.coop
Number of IPv4 Routes	25
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2002-03-26

ASN Intelligence API for production workflows

Use ASN data for AS23481 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
173.224.0.0/21	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	2048
72.12.112.0/21	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	2048
69.4.48.0/22	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	1024
64.127.204.0/24	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	256
98.143.180.0/22	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	1024
69.4.60.0/22	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	1024
159.242.252.0/22	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	1024
152.228.44.0/23	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	512
170.76.184.0/22	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	1024
104.161.4.0/23	AS23481	Hill Country Telephone Cooperative, Inc.	Hill Country Telephone Cooperative, Inc.	512

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:       23481
ASName:         HCTC-LINK1
ASHandle:       AS23481
RegDate:        2002-03-26
Updated:        2013-01-14
Ref:            https://rdap.arin.net/registry/autnum/23481


OrgName:        Hill Country Telephone Cooperative, Inc.
OrgId:          HCTC-3
Address:        P.O. Drawer D
City:           Ingram
StateProv:      TX
PostalCode:     78025
Country:        US
RegDate:        2002-03-26
Updated:        2026-03-23
Ref:            https://rdap.arin.net/registry/entity/HCTC-3


OrgRoutingHandle: NETWO2450-ARIN
OrgRoutingName:   Network Operations
OrgRoutingPhone:  +1-830-367-5333 
OrgRoutingEmail:  iptech@hctc.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO2450-ARIN

OrgRoutingHandle: GITTE4-ARIN
OrgRoutingName:   Gitter, Adam 
OrgRoutingPhone:  +1-830-367-5333 
OrgRoutingEmail:  agitter@hctc.coop
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GITTE4-ARIN

OrgTechHandle: GITTE4-ARIN
OrgTechName:   Gitter, Adam 
OrgTechPhone:  +1-830-367-5333 
OrgTechEmail:  agitter@hctc.coop
OrgTechRef:    https://rdap.arin.net/registry/entity/GITTE4-ARIN

OrgNOCHandle: GITTE4-ARIN
OrgNOCName:   Gitter, Adam 
OrgNOCPhone:  +1-830-367-5333 
OrgNOCEmail:  agitter@hctc.coop
OrgNOCRef:    https://rdap.arin.net/registry/entity/GITTE4-ARIN

OrgAbuseHandle: ABUSE1942-ARIN
OrgAbuseName:   Abuse Management
OrgAbusePhone:  +1-830-367-5333 
OrgAbuseEmail:  abuse@hctc.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1942-ARIN

OrgTechHandle: NETWO2450-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-830-367-5333 
OrgTechEmail:  iptech@hctc.net
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2450-ARIN

RTechHandle: NETWO2450-ARIN
RTechName:   Network Operations
RTechPhone:  +1-830-367-5333 
RTechEmail:  iptech@hctc.net
RTechRef:    https://rdap.arin.net/registry/entity/NETWO2450-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" : "23481",
    "as_handle" : "AS23481",
    "as_name" : "HCTC-LINK1",
    "tech_contacts" : [ "NETWO2450-ARIN", "GITTE4-ARIN", "GITTE4-ARIN", "NETWO2450-ARIN", "NETWO2450-ARIN" ],
    "abuse_contacts" : [ "ABUSE1942-ARIN" ],
    "date_created" : "2002-03-26",
    "date_updated" : "2013-01-14",
    "source" : "https://rdap.arin.net/registry/autnum/23481"
  } ],
  "organization" : {
    "handle" : "HCTC-3",
    "name" : "Hill Country Telephone Cooperative, Inc.",
    "address" : [ "P.O. Drawer D", "Ingram", "TX", "78025", "US" ],
    "street" : "P.o. Drawer D",
    "city" : "Ingram",
    "state" : "TX",
    "zip_code" : "78025",
    "country" : [ "US" ],
    "date_created" : "2002-03-26",
    "date_updated" : "2026-03-23",
    "source" : "https://rdap.arin.net/registry/entity/HCTC-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO2450-ARIN",
    "name" : "Network Operations",
    "email" : [ "iptech@hctc.net" ],
    "phone" : [ "+1-830-367-5333" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO2450-ARIN"
  }, {
    "handle" : "GITTE4-ARIN",
    "name" : "Gitter, Adam",
    "email" : [ "agitter@hctc.coop" ],
    "phone" : [ "+1-830-367-5333" ],
    "source" : "https://rdap.arin.net/registry/entity/GITTE4-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE1942-ARIN",
    "name" : "Abuse Management",
    "email" : [ "abuse@hctc.net" ],
    "phone" : [ "+1-830-367-5333" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE1942-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13392	Region 18 Education Service Center	US
AS6939	Hurricane Electric LLC	US
AS25091	IP Max SA	CH
AS209823	Enki Multimedia EURL	FR
AS17072	TOTAL PLAY TELECOMUNICACIONES SA DE CV	MX
AS64289	Macarne.com	US
AS22462	NOLA BROADBAND LLC	US
AS4230	CLARO S.A.	BR
AS14907	Wikimedia Foundation Inc.	US
AS394177	SHIFT HOSTING LLC	US

Upstreams

AS Number	Description	Country
AS25091	IP Max SA	CH
AS1299	Arelion Sweden AB	SE
AS6939	Hurricane Electric LLC	US
AS46849	TEXAS LONE STAR NETWORK, LLC	US
AS174	Cogent Communications, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS971	PureVoltage Hosting Inc.	US
AS32097	WholeSale Internet, Inc.	US
AS4230	CLARO S.A.	BR