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AS400072
AS400072 THUNDERBOX INC
THUND-20 - THUNDERBOX INC · registered in the United States
IPv4 addresses 57,344 18 prefixes · 0.002% of announced IPv4
Rank in United States #1,424 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #3,719 of 79,396 networks with IPv4
IPv6 16,384 x /48 1 prefixes
IPv4 prefixes
All 18 prefixes, in address order.
45.45.197.0/24 45.45.198.0/24 62.164.224.0/19 66.43.4.0/22 72.22.32.0/19 74.122.56.0/21 107.180.128.0/21 107.180.160.0/19 185.141.116.0/24 192.159.35.0/24 199.187.188.0/22 204.10.80.0/22 205.196.8.0/22 206.251.196.0/22 206.251.200.0/22 207.135.192.0/20 207.228.0.0/18 208.73.40.0/22
IPv6 prefixes
All 1 prefix.
Similar-sized networks in United States
ASN Name IPv4 addresses
AS27086 #1421 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)57,856
AS7784 #1422 ATLANTECH - Atlantech Online, Inc.57,600
AS20257 #1423 FTC-INET - Farmers Telephone Cooperative, Inc.57,344
AS32093 #1425 TACCNET - University of Texas at Austin57,344
AS919 #1426 AS919 - The Howard University57,344
AS10499 #1427 IUMC-IT - Rochester Gas and Electric Corporation57,344
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