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AS4181
AS4181 TDS TELECOM
TDS-AS - TDS TELECOM · registered in the United States
IPv4 addresses 1,806,592 407 prefixes · 0.058% of announced IPv4
Rank in United States #64 largest network in US by IPv4 space, of 18,338 · 0.13% of US
Rank worldwide #216 of 79,396 networks with IPv4
IPv6 18 x /32 (1,179,649 x /48) 4 prefixes
IPv6 prefixes
All 4 prefixes.
2600:3400::/28 2602:81b:f0de::/48 2604:ad00::/32 2610:1f0::/32
Similar-sized networks in United States
ASN Name IPv4 addresses
AS270 #61 AS270 - National Aeronautics and Space Administration1,859,328
AS33668 #62 CMCS - Comcast Cable Communications, LLC1,857,536
AS3 #63 MIT-GATEWAYS - Massachusetts Institute of Technology1,836,287
AS33652 #65 CMCS - Comcast Cable Communications, LLC1,759,744
AS20214 #66 COMCAST-20214 - Comcast Cable Communications, LLC1,720,832
AS6461 #67 ZAYO-6461 - Zayo Bandwidth1,596,672
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources