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AS400121
AS400121 CFBTEL
CFBTEL - CFBTEL · registered in the United States
IPv4 addresses 256 1 prefixes · <0.001% of announced IPv4
Rank in United States #17,838 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #78,787 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
Similar-sized networks in United States
ASN Name IPv4 addresses
AS400096 #17835 PIKES-PEAK-REGIONAL-BUILDING-80910 - Pikes Peak Regional Building Department256
AS400102 #17836 LYONC - Apogee Telecom Inc.256
AS400116 #17837 COLDIST-DAT1 - COLUMBIA DISTRIBUTING256
AS400131 #17839 QCRH-AS - QCR Holdings, Inc.256
AS400134 #17840 BON-ASN-01 - Balance of Nature256
AS400140 #17841 NTTDATA-TAG-LNK - Transaction Applications Group, Inc.256
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