ASN AS12265 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS12265?

AS12265 is listed under Transaction Network Services, 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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AS12265 Transaction Network Services, Inc.

ASN Lookup Tool

Transaction Network Services, Inc. tnsi.com

US 1 Routes

AS Data

AS12265

AS12265 – Transaction Network Services, Inc.

AS Number	12265
AS Name	R2G-1
Organization	Transaction Network Services, Inc.(tns-8)
Country	US
Website	tnsi.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1999-05-05

ASN Intelligence API for production workflows

Use ASN data for AS12265 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.14.4.0/24	AS12265	Transaction Network Services, Inc.	Transaction Network Services, Inc.	256

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:       12265
ASName:         R2G-1
ASHandle:       AS12265
RegDate:        1999-05-05
Updated:        2021-06-30    
Ref:            https://rdap.arin.net/registry/autnum/12265


OrgName:        Transaction Network Services, Inc.
OrgId:          TNS-8
Address:        10740 Parkridge Boulevard, Suite 100
City:           Reston
StateProv:      VA
PostalCode:     20191
Country:        US
RegDate:        1998-09-08
Updated:        2024-07-03
Ref:            https://rdap.arin.net/registry/entity/TNS-8


OrgTechHandle: NETWO10135-ARIN
OrgTechName:   Network Architects
OrgTechPhone:  +1-703-453-8300 
OrgTechEmail:  NetworkArchitecturalEngineering@tnsi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10135-ARIN

OrgTechHandle: BEHAN80-ARIN
OrgTechName:   Behan, Robbie 
OrgTechPhone:  +0114 2920200 
OrgTechEmail:  rbehan@tnsi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEHAN80-ARIN

OrgNOCHandle: NOC1590-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-800-240-4824 
OrgNOCEmail:  globalipdesk@tnsi.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1590-ARIN

OrgAbuseHandle: BEHAN80-ARIN
OrgAbuseName:   Behan, Robbie 
OrgAbusePhone:  +0114 2920200 
OrgAbuseEmail:  rbehan@tnsi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BEHAN80-ARIN

OrgAbuseHandle: NETWO10135-ARIN
OrgAbuseName:   Network Architects
OrgAbusePhone:  +1-703-453-8300 
OrgAbuseEmail:  NetworkArchitecturalEngineering@tnsi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10135-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

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS6939	Hurricane Electric LLC	US
AS4826	Vocus Connect International Backbone	AU
AS10242	US Internet Corp	US
AS14537	Continent 8 LLC	US
AS199524	G-Core Labs S.A.	LU
AS14907	Wikimedia Foundation Inc.	US
AS293	ESnet	US
AS36236	NetActuate, Inc	US
AS53597	Hoyos Consulting LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS6939	Hurricane Electric LLC	US
AS174	Cogent Communications, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS4826	VOCUS PTY LTD	AU