AS6102 CBS inc.

CBSCORPORATE - CBS inc. · registered in the United States

IPv4 addresses115,96810 prefixes · 0.004% of announced IPv4

Rank in United States#587largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,747of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6102 in ASN lookup Look up an IP in this network (129.228.128.1) All networks in United States

IPv4 prefixes

All 10 prefixes, in address order.

129.228.128.0/17
170.20.0.0/17
170.20.128.0/20
170.20.144.0/20
170.20.160.0/19
170.20.192.0/18
192.238.64.0/18
198.99.118.0/23
198.99.120.0/23
198.99.122.0/24

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AS54801#586 ZILLION-NETWORK - Zillion Network Inc.117,760

AS36327#588 VINAKOM - VINAKOM COMMUNICATIONS115,200

AS160#589 U-CHICAGO-AS - The University of Chicago115,200

AS15227#590 LUMOS - LUMOS Networks, Inc.115,200

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