ASN AS20326 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20326?

AS20326 is listed under TeraSwitch Networks 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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AS20326 TeraSwitch Networks Inc.

ASN Lookup Tool

TeraSwitch Networks Inc. teraswitch.com

US 263 Routes

AS Data

AS20326

AS20326 – TeraSwitch Networks Inc.

AS Number	20326
AS Name	TERASWITCH
Organization	TeraSwitch Networks Inc. (teras-2)
Country	US
Website	teraswitch.com
Number of IPv4 Routes	235
Number of IPv6 Routes	28
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-03-26

ASN Intelligence API for production workflows

Use ASN data for AS20326 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.20.240.0/22	AS20326	TeraSwitch Networks Inc.	TeraSwitch Networks Inc.	1024
63.254.170.0/24	AS20326	TeraSwitch Networks Inc.	TeraSwitch Networks Inc.	256
154.6.156.0/22	AS20326	TeraSwitch Networks Inc.	LogicWeb Inc.	1024
2607:fdc0:900::/42	AS20326	TeraSwitch Networks Inc.	TeraSwitch Networks Inc.	~77×10²⁴
154.222.68.0/22	AS20326	TeraSwitch Networks Inc.	Cloud Innovation Ltd	1024
82.26.99.0/24	AS20326	TeraSwitch Networks Inc.	TeraSwitch Networks Inc.	256
193.109.196.0/24	AS20326	TeraSwitch Networks Inc.	Internet Utilities Europe and Asia Limited	256
72.244.154.0/24	AS20326	TeraSwitch Networks Inc.	ELSOUL LABO B.V.	256
2607:fdc0:5c0::/42	AS20326	TeraSwitch Networks Inc.	TeraSwitch Networks Inc.	~77×10²⁴
154.222.118.0/23	AS20326	TeraSwitch Networks Inc.	shanxi liyun limit	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:       20326
ASName:         TERASWITCH
ASHandle:       AS20326
RegDate:        2007-03-26
Updated:        2025-01-16
Comment:        Geofeed: http://as20326.com/ipgeo.csv
Ref:            https://rdap.arin.net/registry/autnum/20326


OrgName:        TeraSwitch Networks Inc.
OrgId:          TERAS-2
Address:        30 Isabella St
Address:        First Floor
City:           Pittsburgh
StateProv:      PA
PostalCode:     15212
Country:        US
RegDate:        2007-05-30
Updated:        2024-05-16
Ref:            https://rdap.arin.net/registry/entity/TERAS-2


OrgNOCHandle: NETWO1793-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-412-945-7045 
OrgNOCEmail:  noc@teraswitch.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO1793-ARIN

OrgRoutingHandle: ZURKU1-ARIN
OrgRoutingName:   Zurku, Nick 
OrgRoutingPhone:  +1-412-945-7048 
OrgRoutingEmail:  nzurku@teraswitch.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ZURKU1-ARIN

OrgAbuseHandle: NETWO1793-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-412-945-7045 
OrgAbuseEmail:  noc@teraswitch.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1793-ARIN

OrgTechHandle: NETWO1793-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-412-945-7045 
OrgTechEmail:  noc@teraswitch.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO1793-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" : "20326",
    "as_handle" : "AS20326",
    "as_name" : "TERASWITCH",
    "tech_contacts" : [ "ZURKU1-ARIN", "NETWO1793-ARIN" ],
    "abuse_contacts" : [ "NETWO1793-ARIN" ],
    "date_created" : "2007-03-26",
    "date_updated" : "2025-01-16",
    "source" : "https://rdap.arin.net/registry/autnum/20326"
  } ],
  "organization" : {
    "handle" : "TERAS-2",
    "name" : "TeraSwitch Networks Inc.",
    "address" : [ "30 Isabella St", "First Floor", "Pittsburgh", "PA", "15212", "US" ],
    "street" : "Isabella St",
    "city" : "Pittsburgh",
    "state" : "PA",
    "zip_code" : "15212",
    "country" : [ "US" ],
    "date_created" : "2007-05-30",
    "date_updated" : "2024-05-16",
    "source" : "https://rdap.arin.net/registry/entity/TERAS-2",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZURKU1-ARIN",
    "name" : "Zurku, Nick",
    "email" : [ "nzurku@teraswitch.com" ],
    "phone" : [ "+1-412-945-7048" ],
    "source" : "https://rdap.arin.net/registry/entity/ZURKU1-ARIN"
  }, {
    "handle" : "NETWO1793-ARIN",
    "name" : "Network Operations",
    "email" : [ "noc@teraswitch.com" ],
    "phone" : [ "+1-412-945-7045" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO1793-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO1793-ARIN",
    "name" : "Network Operations",
    "email" : [ "noc@teraswitch.com" ],
    "phone" : [ "+1-412-945-7045" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO1793-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS28792	Public Internet Ltd	GB
AS58057	Securebit AG	CH
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS401703	Ordinal Advisors LLC	US
AS2500	WIDE Project	JP
AS38880	Micron21 Datacentre Pty Ltd	AU
AS198150	SIACOM JSC	GE
AS60144	3W Infra B.V.	NL
AS14773	Lancaster Lebanon Intermediate Unit 13	US
AS3303	Swisscom Schweiz AG	CH

Upstreams

AS Number	Description	Country
AS50869	IPng Networks GmbH	CH
AS58057	Securebit AG	CH
AS7195	EDGEUNO S.A.S	CO
AS39249	Netassist International EOOD	BG
AS49434	FBW NETWORKS SAS	FR
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS400587	Ryamer, LLC	US
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE

Downstreams

AS Number	Description	Country
AS142594	SpeedyPage Ltd	AU
AS40501	SoundStack Technologies, LLC	US
AS214783	Danny Nieuwenhuis trading as DedicatedNodes	NL
AS213001	LA5 Digital LTD	GB
AS400798	Pittsburgh Internet Exchange	US
AS22897	84 LUMBER COMPANY	US
AS399114	Hyonix	SG
AS3402	Butterfly Research	KY
AS53891	Zero Position	KY
AS26411	Saas.group LLC	US

Legacy Routes

154.197.45.0/24 156.233.102.0/24 156.233.69.0/24 154.197.62.0/24 45.195.90.0/24 154.94.60.0/24 156.229.232.0/22 154.94.50.0/24 45.195.106.0/23 154.94.2.0/23 156.233.54.0/24 109.111.56.0/22 45.207.174.0/23 156.243.148.0/23 156.229.60.0/24 154.94.41.0/24 156.233.70.0/24 154.94.33.0/24 37.202.193.0/24 154.83.134.0/24 194.231.128.0/22 154.82.16.0/24 156.229.26.0/24 154.94.38.0/24 45.207.164.0/23 5.175.169.0/24 156.243.146.0/23 154.94.46.0/24 156.229.48.0/24 95.214.176.0/24