ASN Lookup Tool

123.Net, Inc. 123.net US US 54 Routes

AS Data

AS12129

AS12129 – 123.Net, Inc.

AS Number 12129
AS Name 123NET
Organization 123.Net, Inc. (netin-6)
Country US
Website 123.net
Number of IPv4 Routes 50
Number of IPv6 Routes 4
ASN type ISP
Registry ARIN
Date Allocated 1999-03-30

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IP Ranges

Route # IPs
209.124.32.0/19 8192
199.249.0.0/21 2048
67.214.112.0/20 4096
207.91.200.0/21 2048
205.251.176.0/20 4096
2607:f790:e000::/36 ~5×10²⁷
199.231.52.0/22 1024
204.106.17.0/24 256
192.96.208.0/20 4096
74.126.12.0/24 256
216.150.224.0/20 4096
198.153.129.0/24 256
204.232.80.0/20 4096
198.3.46.0/24 256
208.86.112.0/24 256
207.91.203.0/24 256
69.54.69.0/24 256
152.160.140.0/22 1024
198.3.45.0/24 256
69.39.64.0/19 8192
66.51.144.0/20 4096
152.160.110.0/24 256
207.91.232.0/21 2048
181.214.238.0/23 512
69.54.68.0/24 256
209.124.52.0/23 512
69.87.152.0/24 256
130.51.212.0/22 1024
198.3.44.0/24 256
152.160.184.0/21 2048
130.44.28.0/22 1024
152.160.128.0/18 16384
199.33.234.0/23 512
2620:11f:7008::/48 ~1×10²⁴
199.167.252.0/22 1024
198.3.47.0/24 256
192.149.240.0/24 256
207.91.192.0/18 16384
216.234.96.0/19 8192
152.160.160.0/20 4096
152.160.144.0/22 1024
209.124.56.0/22 1024
192.153.192.0/24 256
66.103.224.0/19 8192
152.160.0.0/17 32768
2620:84:c000::/48 ~1×10²⁴
192.159.68.0/23 512
216.109.192.0/20 4096
74.126.0.0/19 8192
2607:f790::/32 ~79×10²⁷
209.131.0.0/19 8192
209.103.128.0/20 4096
149.19.205.0/24 256
65.183.160.0/19 8192

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:       12129
ASName:         123NET
ASHandle:       AS12129
RegDate:        1999-03-30
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/12129


OrgName:        123.Net, Inc.
OrgId:          NETIN-6
Address:        24700 Northwestern Hwy. STE 700
City:           Southfield
StateProv:      MI
PostalCode:     48075
Country:        US
RegDate:        2010-11-19
Updated:        2017-01-28
Comment:        Direct Abuse: +1.248.228.8200 or abuse@123.net
Ref:            https://rdap.arin.net/registry/entity/NETIN-6


OrgAbuseHandle: RD1464-ARIN
OrgAbuseName:   Duda, Ryan 
OrgAbusePhone:  +1-248-228-8200 
OrgAbuseEmail:  rpd@123.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RD1464-ARIN

OrgNOCHandle: RD1464-ARIN
OrgNOCName:   Duda, Ryan 
OrgNOCPhone:  +1-248-228-8200 
OrgNOCEmail:  rpd@123.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/RD1464-ARIN

OrgTechHandle: JNO80-ARIN
OrgTechName:   Nowlan, James 
OrgTechPhone:  +1-248-228-8200 
OrgTechEmail:  jnowlan@123.net
OrgTechRef:    https://rdap.arin.net/registry/entity/JNO80-ARIN

OrgTechHandle: RD1464-ARIN
OrgTechName:   Duda, Ryan 
OrgTechPhone:  +1-248-228-8200 
OrgTechEmail:  rpd@123.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RD1464-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
AS20115 Charter Communications LLC US
AS2906 Netflix Streaming Services Inc. US
AS393665 Baker College US
AS13549 Mercury Network Corporation US
AS286 GTT Communications Inc. US
AS26479 Point Broadband Fiber Holding, LLC US
AS46569 Walsh College of Accountancy and Business Administration US
AS14537 Continent 8 LLC US
AS394289 Hope College US
AS40089 Bullhorn Inc. US
AS46492 Southwestern Michigan College US
AS6614 T Mobile USA, Inc. US
AS21527 Daystarr Communications US
AS16509 Amazon.com, Inc. US
AS714 Apple Inc. US
AS55269 Critical Signal Technologies, Inc US
AS14374 Agri Valley Services Corporation US
AS402385 Spicer Networks, LLC US
AS6461 Zayo Bandwidth US
AS22941 The HelpDesk Inc US
AS393256 DTE Energy Company US
AS394004 Hurley Medical Center US
AS32590 Valve Corporation US
AS7201 Network Edge LLC US
AS401215 MITCHELL PLASTICS US
AS26496 GoDaddy.com, LLC US
AS397282 Castle VPN US
AS14711 INGERSOLL CUTTING TOOL COMPANY US
AS22802 Amerisure Mutual Insurance Company US
AS394952 Lake Michigan Credit Union US
AS40234 Rapidparts, Inc. US
AS19748 Sector Link LLC. US
AS29838 Atlantic Metro Communications II, Inc. US
AS53263 Grand Rapids Community College US
AS1299 Arelion Sweden AB SE
AS3257 GTT Communications Inc. US
AS19239 KLA Corporation US
AS16556 TotalChoice Hosting, LLC US
AS398953 ABC Warehouse US
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS394678 Bluewater Power Corporation CA
AS19224 Quantum Services Group, LLC. US
AS401307 Michigan Statewide Educational Network US
AS8134 Baraga Telephone Company US
AS54178 Urban Science Applications, Inc. US
AS22379 Manifold Services Inc US
AS398226 Henniges Automotive Holdings, Inc. US
AS393483 YEO & YEO CPAS & ADVISORS US
AS2603 NORDUnet DK
AS32244 Liquid Web, L.L.C US
AS1021 CV Tech US
AS20205 Amplex Electric, Inc. US
AS36127 Miller Canfield US
AS16939 HTC Global Services Inc US
AS2015 Msen, Inc. US
AS394769 University of Michigan Flint US
AS10310 Yahoo Holdings Inc. US
AS399308 UFP Industries, Inc. US
AS26744 Planters Communications, LLC US
AS6774 Belgacom International Carrier Services SA BE

Upstreams

AS Number Description Country
AS11115 Otava, LLC US
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS36394 Grid4 Communications, Inc US
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS2914 NTT America, Inc. US
AS174 Cogent Communications, LLC US
AS6327 Shaw Communications CA
AS396998 Path Network, Inc. US
AS1299 Arelion Sweden AB SE
AS3257 GTT Communications Inc. US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Downstreams

AS Number Description Country
AS401313 Novacoast Inc US
AS215129 Wodarek Productions LLC US
AS393665 Baker College US
AS46670 MARKETING ASSOCIATES, LLC US
AS13549 Mercury Network Corporation US
AS3389 Ford Motor Company US
AS46569 Walsh College of Accountancy and Business Administration US
AS14537 Continent 8 LLC US
AS394289 Hope College US
AS40089 Bullhorn Inc. US

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Frequently Asked Questions

ASN AS12129 is an Autonomous System Number used to identify a network for BGP internet routing.
AS12129 is listed under 123.Net, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.