ASN AS23308 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23308?

AS23308 is listed under UTILITY TELEPHONE, 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?

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.

AS23308 UTILITY TELEPHONE, INC.

ASN Lookup Tool

UTILITY TELEPHONE, INC. utilitytelephone.com

US 17 Routes

AS Data

AS23308

AS23308 – UTILITY TELEPHONE, INC.

AS Number	23308
AS Name	UTILITY-AS
Organization	UTILITY TELEPHONE, INC. (utili-5)
Country	US
Website	utilitytelephone.com
Number of IPv4 Routes	16
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2005-02-08

ASN Intelligence API for production workflows

Use ASN data for AS23308 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.14.136.0/21	AS23308	UTILITY TELEPHONE, INC.	UTILITY SKTNCA11 COLO WAN ALLOCATION	2048
208.75.240.0/21	AS23308	UTILITY TELEPHONE, INC.	UTILITY LSANCARC COLO WAN ALLOCATION	2048
66.113.64.0/19	AS23308	UTILITY TELEPHONE, INC.	Utility Telecom Group, LLC	8192
208.73.8.0/21	AS23308	UTILITY TELEPHONE, INC.	UTILITY SNLOCA01 COLO WAN ALLOCATION	2048
2607:f8c8::/32	AS23308	UTILITY TELEPHONE, INC.	UTILITY TELEPHONE, INC.	~79×10²⁷
206.211.208.0/21	AS23308	UTILITY TELEPHONE, INC.	PEDIATRIC MEDICAL GROUP OF SANTA MARIA	2048
204.11.112.0/22	AS23308	UTILITY TELEPHONE, INC.	CAESARS ENTERTAINMENT	1024
216.162.160.0/19	AS23308	UTILITY TELEPHONE, INC.	CEREBRAS SYSTEMS INC.	8192
173.255.96.0/20	AS23308	UTILITY TELEPHONE, INC.	UTILITY SKTNCA11 COLO WAN ALLOCATION	4096
208.85.200.0/21	AS23308	UTILITY TELEPHONE, INC.	UTILITY SNLOCA01 COLO WAN ALLOCATION	2048

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:       23308
ASName:         UTILITY-AS
ASHandle:       AS23308
RegDate:        2005-02-08
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/23308


OrgName:        UTILITY TELEPHONE, INC.
OrgId:          UTILI-5
Address:        PO BOX 8489
City:           Stockton
StateProv:      CA
PostalCode:     95208
Country:        US
RegDate:        2004-11-18
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/UTILI-5


OrgTechHandle: NETWO1937-ARIN
OrgTechName:   Network Administrator
OrgTechPhone:  +1-877-965-7800 
OrgTechEmail:  ipadmin@utilitytelephone.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO1937-ARIN

OrgAbuseHandle: NETWO1937-ARIN
OrgAbuseName:   Network Administrator
OrgAbusePhone:  +1-877-965-7800 
OrgAbuseEmail:  ipadmin@utilitytelephone.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1937-ARIN

OrgNOCHandle: NETWO1937-ARIN
OrgNOCName:   Network Administrator
OrgNOCPhone:  +1-877-965-7800 
OrgNOCEmail:  ipadmin@utilitytelephone.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO1937-ARIN

RAbuseHandle: NETWO1937-ARIN
RAbuseName:   Network Administrator
RAbusePhone:  +1-877-965-7800 
RAbuseEmail:  ipadmin@utilitytelephone.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1937-ARIN

RTechHandle: NETWO1937-ARIN
RTechName:   Network Administrator
RTechPhone:  +1-877-965-7800 
RTechEmail:  ipadmin@utilitytelephone.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO1937-ARIN

RNOCHandle: NETWO1937-ARIN
RNOCName:   Network Administrator
RNOCPhone:  +1-877-965-7800 
RNOCEmail:  ipadmin@utilitytelephone.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO1937-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" : "23308",
    "as_handle" : "AS23308",
    "as_name" : "UTILITY-AS",
    "tech_contacts" : [ "NETWO1937-ARIN", "NETWO1937-ARIN" ],
    "abuse_contacts" : [ "NETWO1937-ARIN", "NETWO1937-ARIN" ],
    "date_created" : "2005-02-08",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/23308"
  } ],
  "organization" : {
    "handle" : "UTILI-5",
    "name" : "UTILITY TELEPHONE, INC.",
    "address" : [ "PO BOX 8489", "Stockton", "CA", "95208", "US" ],
    "city" : "Stockton",
    "state" : "CA",
    "zip_code" : "95208",
    "country" : [ "US" ],
    "date_created" : "2004-11-18",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/UTILI-5",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO1937-ARIN",
    "name" : "Network Administrator",
    "email" : [ "ipadmin@utilitytelephone.com" ],
    "phone" : [ "+1-877-965-7800" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO1937-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO1937-ARIN",
    "name" : "Network Administrator",
    "email" : [ "ipadmin@utilitytelephone.com" ],
    "phone" : [ "+1-877-965-7800" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO1937-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS399033	VARCOMM BROADBAND, INC.	US
AS7961	Raw Bandwidth Communications, Inc.	US
AS54912	Bay Alarm Company	US
AS3356	Level 3 Parent, LLC	US
AS63316	City of Foster City	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS3356	Level 3 Parent, LLC	US

Downstreams

AS Number	Description	Country
AS399033	VARCOMM BROADBAND, INC.	US
AS7961	Raw Bandwidth Communications, Inc.	US
AS54912	Bay Alarm Company	US
AS63316	City of Foster City	US