ASN Lookup Tool

TDS TELECOM tdstelecom.com US US 560 Routes

AS Data

AS4181

AS4181 – TDS TELECOM

AS Number 4181
AS Name TDS-AS
Organization TDS TELECOM (tdst-z)
Country US
Website tdstelecom.com
Number of IPv4 Routes 556
Number of IPv6 Routes 4
ASN type ISP
Registry ARIN
Date Allocated 1994-12-16

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Use ASN data for AS4181 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
66.220.104.0/21 2048
96.60.10.0/23 512
184.61.8.0/23 512
134.215.244.0/22 1024
67.217.12.0/23 512
72.0.160.0/19 8192
69.129.241.0/24 256
24.54.136.0/22 1024
217.143.0.0/16 65536
134.215.106.0/24 256
129.189.0.0/16 65536
66.222.46.0/24 256
208.100.132.0/23 512
184.60.0.0/23 512
167.237.16.0/21 2048
75.100.16.0/22 1024
69.130.18.0/24 256
24.56.171.0/24 256
24.49.160.0/20 4096
184.60.16.0/21 2048
67.217.8.0/21 2048
208.100.128.0/24 256
216.170.248.0/22 1024
69.11.192.0/23 512
24.40.84.0/24 256
66.222.76.0/24 256
66.222.101.0/24 256
69.130.0.0/23 512
69.128.74.0/24 256
135.134.16.0/20 4096
208.100.160.0/21 2048
135.134.0.0/20 4096
135.131.120.0/21 2048
209.169.202.0/23 512
134.215.140.0/23 512
24.75.192.0/21 2048
96.60.88.0/23 512
64.17.91.0/24 256
96.60.234.0/23 512
216.228.185.0/24 256
24.54.147.0/24 256
24.49.101.0/24 256
134.215.104.0/23 512
184.60.2.0/24 256
184.61.227.0/24 256
209.169.196.0/23 512
216.228.176.0/21 2048
96.60.122.0/23 512
135.135.64.0/20 4096
24.54.182.0/23 512
69.128.148.0/24 256
69.131.126.0/23 512
135.135.56.0/21 2048
184.61.56.0/22 1024
184.60.182.0/23 512
96.60.24.0/22 1024
24.236.32.0/21 2048
66.173.124.0/23 512
66.222.44.0/23 512
209.169.202.0/24 256

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:       4181
ASName:         TDS-AS
ASHandle:       AS4181
RegDate:        1994-12-16
Updated:        2019-07-03
Ref:            https://rdap.arin.net/registry/autnum/4181


OrgName:        TDS TELECOM
OrgId:          TDST-Z
Address:        525 Junction Rd.
City:           Madison
StateProv:      WI
PostalCode:     53717
Country:        US
RegDate:        2019-04-23
Updated:        2019-04-23
Ref:            https://rdap.arin.net/registry/entity/TDST-Z


OrgTechHandle: SERVI6-ARIN
OrgTechName:   Service Activation
OrgTechPhone:  +1-800-358-3648 
OrgTechEmail:  serviceactivation@tdstelecom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SERVI6-ARIN

OrgTechHandle: INE14-ARIN
OrgTechName:   IP Network Engineering
OrgTechPhone:  +1-800-358-3648 
OrgTechEmail:  IPRequests@tdstelecom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INE14-ARIN

OrgAbuseHandle: ABUSE163-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-800-358-3648 
OrgAbuseEmail:  abuse@tds.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE163-ARIN

OrgTechHandle: INO44-ARIN
OrgTechName:   IP Network Operations
OrgTechPhone:  +1-800-358-3648 
OrgTechEmail:  ispadmin@tdstelecom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INO44-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
AS394330 LTD Broadband LLC US
AS38880 Micron21 Datacentre Pty Ltd AU
AS14401 SolidNetwork Technologies, Inc. US
AS11964 Air Wisconsin Airlines Corporation US
AS215724 Edgevana, Inc. US
AS6079 RCN US
AS11852 White House Custom Colour, Inc US
AS46261 QuickPacket, LLC US
AS46892 Winnebago Cooperative Telecom Association US
AS11164 Internet2 US
AS63394 Eastern Iowa IP, LLC US
AS198622 Adform A/S DK
AS11114 Wintek Corporation US
AS399337 Netcrawler Inc CA
AS62886 OMNITEL COMMUNICATIONS US
AS31989 Fiber Fast Homes, LLC US
AS401332 Triplebit US
AS27281 Quantcast Corporation US
AS29838 Atlantic Metro Communications II, Inc. US
AS53515 AMTELCO US
AS32787 Akamai Technologies, Inc. US
AS205627 Daimler Truck AG DE
AS25944 Society of Young Enterprise Engineers Ltd. US
AS15305 Syringa Networks, LLC US
AS26792 CSS Integration, Inc. US
AS397041 Lightgig Communications LLC US
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV MX
AS400514 ESpace Networks US
AS31877 Accelecom US
AS6547 DCT Technologies, Inc. US
AS40382 Hennepin County US
AS10310 Yahoo Holdings Inc. US
AS5009 REV US
AS36374 Stellar Association, LLC US
AS31863 Centrilogic, Inc. US
AS4766 Korea Telecom KR
AS400699 KitsapWiFi US
AS399224 PERATON INC. US
AS56038 RackCorp AU
AS13786 Seabras 1 USA, LLC US
AS394449 FyberCom, LLC US
AS20253 Qwilt Inc. US
AS3361 Digital Fortress, Inc. US
AS63949 Akamai Connected Cloud SG
AS20021 Ntirety, Inc. US
AS63927 RISE HK
AS64213 ERC Broadband US
AS394744 Randolph-Macon College US
AS40128 Morristown Utility Systems US
AS395823 doof.net US
AS62955 eBay, Inc US
AS46494 Christensen Communications Company US
AS55039 Fatbeam, LLC US
AS9498 Bharti Airtel Ltd IN
AS35916 MULTACOM CORPORATION US
AS11038 Salish Networks, Inc. US
AS47689 Pudu, LLC AT
AS22534 CS Technologies US
AS8220 COLT Technology Services Group Limited GB
AS963 N963 PTE. LTD. SG

Upstreams

AS Number Description Country
AS60068 Datacamp Limited GB
AS39120 Convergenze S.p.A. IT
AS7195 EDGEUNO S.A.S CO
AS8220 COLT Technology Services Group Limited GB
AS9002 RETN Limited GB
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS286 GTT Communications Inc. US
AS64289 Macarne.com US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS32621 Twin City VoIP, Inc. US
AS37468 Angola Cables AO
AS13786 Seabras 1 USA, LLC US
AS2497 Internet Initiative Japan Inc. JP
AS60171 AFR IX TELECOM S.A. ES
AS7575 Australian Academic and Research Network AU
AS394256 Tech Futures Interactive Inc. CA
AS3303 Swisscom Schweiz AG CH
AS15412 Global Cloud Xchange GB
AS1299 Arelion Sweden AB SE
AS3257 GTT Communications Inc. US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS31778 Cascade Medical Imaging US
AS22582 Luminex Corporation US
AS54519 US Signal Company, L.L.C. US
AS16568 PROMEGA CORPORATION US
AS40559 CROSSCOM NATIONAL, LLC US
AS11964 Air Wisconsin Airlines Corporation US
AS15285 Cash Depot US
AS55083 Numerex Corp US
AS21561 Les Schwab Tire Centers US
AS25810 The New London Hospital Association, Inc US

Contacts

Email Contacts

ispadmin@tdstelecom.com serviceactivation@tdstelecom.com IPRequests@tdstelecom.com

Abuse Contacts

abuse@tds.net

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Frequently Asked Questions

ASN AS4181 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4181 is listed under TDS TELECOM.
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.