ASN AS20340 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20340?

AS20340 is listed under CallTower, 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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AS20340 CallTower, Inc. | IPGeolocation.io

CallTower, Inc. calltower.com

US 20 Routes

AS Data

AS20340

AS20340 – CallTower, Inc.

AS Number	20340
AS Name	CALLTOWER
Organization	CallTower, Inc. (callt)
Country	US
Website	calltower.com
Number of IPv4 Routes	20
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2001-04-25

ASN Intelligence API for production workflows

Use ASN data for AS20340 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
67.213.176.0/20	AS20340	CallTower, Inc.	CallTower, Inc.	4096
67.213.186.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
69.54.64.0/19	AS20340	CallTower, Inc.	CallTower, Inc.	8192
67.213.184.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
208.52.156.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
67.213.187.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
64.34.45.0/24	AS20340	CallTower, Inc.	Onestream Networks, LLC	256
205.196.168.0/21	AS20340	CallTower, Inc.	Straitshot Communications, Inc.	2048
67.213.177.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
206.80.64.0/19	AS20340	CallTower, Inc.	CallTower, Inc.	8192
67.213.185.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
209.40.224.0/19	AS20340	CallTower, Inc.	CallTower, Inc.	8192
209.40.252.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
65.39.213.0/24	AS20340	CallTower, Inc.	Onestream Networks, LLC	256
208.70.112.0/21	AS20340	CallTower, Inc.	Straitshot Communications, Inc.	2048
165.254.122.0/24	AS20340	CallTower, Inc.	CallTower Networks	256
208.52.155.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
67.213.179.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
209.40.230.0/24	AS20340	CallTower, Inc.	CallTower, Inc.	256
69.4.176.0/20	AS20340	CallTower, Inc.	CallTower, Inc.	4096

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:       20340
ASName:         CALLTOWER
ASHandle:       AS20340
RegDate:        2001-04-25
Updated:        2025-11-21
Ref:            https://rdap.arin.net/registry/autnum/20340


OrgName:        CallTower, Inc.
OrgId:          CALLT
Address:        10701 South River Front Parkway, Suite 450
City:           Sandy
StateProv:      UT
PostalCode:     84095
Country:        US
RegDate:        2002-10-17
Updated:        2024-01-16
Ref:            https://rdap.arin.net/registry/entity/CALLT


OrgTechHandle: TECHN539-ARIN
OrgTechName:   tech-noc
OrgTechPhone:  +1-866-586-4700 
OrgTechEmail:  net@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN539-ARIN

OrgAbuseHandle: IPABU34-ARIN
OrgAbuseName:   IP Abuse
OrgAbusePhone:  +1-801-597-5234 
OrgAbuseEmail:  ip-abuse@calltower.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPABU34-ARIN

OrgNOCHandle: TECHN539-ARIN
OrgNOCName:   tech-noc
OrgNOCPhone:  +1-866-586-4700 
OrgNOCEmail:  net@calltower.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHN539-ARIN

OrgTechHandle: VBJ14-ARIN
OrgTechName:   Van Bortel, Jeremy 
OrgTechPhone:  +1-585-563-1645 
OrgTechEmail:  jvanbortel@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VBJ14-ARIN

OrgTechHandle: TAYLO1490-ARIN
OrgTechName:   Taylor, Chris 
OrgTechPhone:  +1-801-934-3731 
OrgTechEmail:  ctaylor@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TAYLO1490-ARIN

OrgTechHandle: DASTR2-ARIN
OrgTechName:   Dastrup, James 
OrgTechPhone:  +1-385-259-6202 
OrgTechEmail:  jdastrup@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DASTR2-ARIN

OrgTechHandle: JWB88-ARIN
OrgTechName:   Barrett, Jack W
OrgTechPhone:  +1-312-445-8737 
OrgTechEmail:  jbarrett@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JWB88-ARIN

OrgTechHandle: GJL9-ARIN
OrgTechName:   Gordnier Jr., Louis 
OrgTechPhone:  +1-585-563-5563 
OrgTechEmail:  lgordnier@calltower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GJL9-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" : "20340",
    "as_handle" : "AS20340",
    "as_name" : "CALLTOWER",
    "tech_contacts" : [ "TECHN539-ARIN", "VBJ14-ARIN", "TAYLO1490-ARIN", "DASTR2-ARIN", "JWB88-ARIN", "GJL9-ARIN" ],
    "abuse_contacts" : [ "IPABU34-ARIN" ],
    "date_created" : "2001-04-25",
    "date_updated" : "2025-11-21",
    "source" : "https://rdap.arin.net/registry/autnum/20340"
  } ],
  "organization" : {
    "handle" : "CALLT",
    "name" : "CallTower, Inc.",
    "address" : [ "10701 South River Front Parkway, Suite 450", "Sandy", "UT", "84095", "US" ],
    "street" : "South River Front Parkway",
    "city" : "Sandy",
    "state" : "UT",
    "zip_code" : "84095",
    "country" : [ "US" ],
    "date_created" : "2002-10-17",
    "date_updated" : "2024-01-16",
    "source" : "https://rdap.arin.net/registry/entity/CALLT",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "TECHN539-ARIN",
    "name" : "tech-noc",
    "email" : [ "net@calltower.com" ],
    "phone" : [ "+1-866-586-4700" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN539-ARIN"
  }, {
    "handle" : "VBJ14-ARIN",
    "name" : "Van Bortel, Jeremy",
    "email" : [ "jvanbortel@calltower.com" ],
    "phone" : [ "+1-585-563-1645" ],
    "source" : "https://rdap.arin.net/registry/entity/VBJ14-ARIN"
  }, {
    "handle" : "TAYLO1490-ARIN",
    "name" : "Taylor, Chris",
    "email" : [ "ctaylor@calltower.com" ],
    "phone" : [ "+1-801-934-3731" ],
    "source" : "https://rdap.arin.net/registry/entity/TAYLO1490-ARIN"
  }, {
    "handle" : "DASTR2-ARIN",
    "name" : "Dastrup, James",
    "email" : [ "jdastrup@calltower.com" ],
    "phone" : [ "+1-385-259-6202" ],
    "source" : "https://rdap.arin.net/registry/entity/DASTR2-ARIN"
  }, {
    "handle" : "JWB88-ARIN",
    "name" : "Barrett, Jack W",
    "email" : [ "jbarrett@calltower.com" ],
    "phone" : [ "+1-312-445-8737" ],
    "source" : "https://rdap.arin.net/registry/entity/JWB88-ARIN"
  }, {
    "handle" : "GJL9-ARIN",
    "name" : "Gordnier Jr., Louis",
    "email" : [ "lgordnier@calltower.com" ],
    "phone" : [ "+1-585-563-5563" ],
    "source" : "https://rdap.arin.net/registry/entity/GJL9-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "IPABU34-ARIN",
    "name" : "IP Abuse",
    "email" : [ "ip-abuse@calltower.com" ],
    "phone" : [ "+1-801-597-5234" ],
    "source" : "https://rdap.arin.net/registry/entity/IPABU34-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS12552	GlobalConnect AB	SE
AS51907	Kanton Zug	CH
AS213151	Christian Elsen	DE
AS58057	Securebit AG	CH
AS25220	equada network GmbH	DE
AS20932	Service Telecom	CH
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS60602	Inovare-Prim SRL	MD
AS286	GTT Communications Inc.	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS42541	FIBERBY	DK
AS198150	SIACOM JSC	GE
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS8529	Zain Omantel International FZ-LLC	AE
AS37468	Angola Cables	AO
AS47957	Worldline IGSA SA	FR
AS60144	3W Infra B.V.	NL
AS199524	G-Core Labs S.A.	LU
AS14907	Wikimedia Foundation Inc.	US
AS34288	Kantonsschule Zug	CH
AS394177	SHIFT HOSTING LLC	US
AS53597	Hoyos Consulting LLC	US
AS64475	Freifunk Frankfurt am Main e.V.	DE
AS47692	Nessus GmbH	AT
AS13768	Aptum Technologies	CA
AS1000	LINK AMERICAN	US
AS23367	Adaptive Data Networks, LLC	US
AS206735	Novelcomm LP	GR
AS12859	BIT BV	NL
AS46168	CallTower, Inc.	US
AS398465	Rackdog, LLC	US
AS13237	euNetworks GmbH	DE
AS14840	BR.Digital Telecom	BR
AS21497	PrJSC "VF UKRAINE"	UA
AS35360	Frederic Gargula	CH
AS32590	Valve Corporation	US
AS16260	GTT - EMEA Ltd.	GB
AS16260	GTT EMEA Ltd.	GB
AS559	SWITCH	CH
AS8758	Iway AG	CH
AS8801	Rocket Fibre Ltd	GB
AS35625	Eurofiber France SAS	FR
AS19684	Latigo, LLC	US
AS20647	IPB Internet Provider in Berlin GmbH	DE
AS1828	Unitas Global	US
AS3257	GTT Communications Inc.	US
AS264479	Turbozone Internet	BR
AS8283	Netwerkvereniging Coloclue	NL
AS20932	Services Industriels de Geneve	CH
AS57695	Misaka Network, Inc.	US
AS142271	EWS DS Networks Inc	PH
AS45701	PT. Internet Madju Abad Milenindo	ID
AS8717	A1 Bulgaria EAD	BG
AS4826	Vocus Connect International Backbone	AU
AS31027	GlobalConnect A/S	DK
AS64289	Macarne.com	US
AS209823	Enki Multimedia EURL	FR
AS8298	IPng Networks GmbH	CH
AS14630	Invesco Group Services, Inc.	US
AS553	BelWue Koordination	DE

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS34927	iFog GmbH	CH
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS25091	IP Max SA	CH
AS6204	ZET.NET IP Transit	RO
AS286	GTT Communications Inc.	US
AS48362	Stadtwerke Feldkirch	AT
AS6663	Euroweb Romania S.R.L.	RO
AS2914	NTT America, Inc.	US
AS34019	Hivane Association	FR
AS34177	Celeste SAS	FR
AS37468	Angola Cables	AO
AS19855	Masergy Communications, Inc.	US
AS20764	CJSC RASCOM	RU
AS60171	AFR IX TELECOM S.A.	ES
AS15958	CETIN Ltd. Belgrade	RS
AS13768	Aptum Technologies	CA
AS37100	SEACOM Limited	MU
AS39120	Convergenze S.p.A.	IT
AS7018	AT&T Enterprises, LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS14840	BR.Digital Telecom	BR
AS24961	WIIT AG	DE
AS29075	IELO LIAZO SERVICES SAS	FR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS5405	Inter.link GmbH	DE
AS174	Cogent Communications, LLC	US
AS16260	GTT EMEA Ltd.	GB
AS41327	Fiber Telecom S.p.A.	IT
AS8758	Iway AG	CH
AS29691	Nine Internet Solutions AG	CH
AS12779	IT.Gate S.p.A.	IT
AS35625	Eurofiber France SAS	FR
AS29208	Quantcom, a.s.	CZ
AS212024	Marc Schmitt	FR
AS35280	F5 Networks SARL	FR
AS20485	Joint Stock Company TransTeleCom	RU
AS3257	GTT Communications Inc.	US
AS5713	SAIX NET	ZA
AS3356	Level 3 Parent, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS34549	meerfarbig GmbH & Co. KG	DE
AS8283	Netwerkvereniging Coloclue	NL
AS12577	MMC GmbH	AT

Downstreams

AS Number	Description	Country
AS46168	CallTower, Inc.	US

Contacts

Email Contacts

net@calltower.com jvanbortel@calltower.com lgordnier@calltower.com ctaylor@calltower.com jdastrup@calltower.com jbarrett@calltower.com

Abuse Contacts

ip-abuse@calltower.com

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