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AS25653
AS25653 FortressITX
FORTRESSITX - FortressITX · registered in the United States
IPv4 addresses 89,088 83 prefixes · 0.003% of announced IPv4
Rank in United States #675 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #2,029 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 83 prefixes, in address order.
65.98.0.0/22 65.98.4.0/24 65.98.6.0/23 65.98.8.0/22 65.98.13.0/24 65.98.14.0/23 65.98.16.0/23 65.98.18.0/24 65.98.20.0/22 65.98.24.0/22 65.98.28.0/24 65.98.30.0/23 65.98.33.0/24 65.98.35.0/24 65.98.36.0/22 65.98.40.0/21 65.98.49.0/24 65.98.50.0/24 65.98.51.0/24 65.98.52.0/22 65.98.56.0/21 65.98.64.0/19 65.98.96.0/22 65.98.100.0/23 65.98.102.0/24 65.98.103.0/24 65.98.104.0/22 65.98.108.0/22 65.98.112.0/21 65.98.120.0/24 65.98.122.0/23 65.98.124.0/24 65.98.126.0/24 67.227.23.0/24 67.227.64.0/24 67.227.108.0/24 69.57.174.0/23 69.57.184.0/22 69.57.188.0/24 69.57.190.0/23 69.72.128.0/21 69.72.137.0/24 69.72.138.0/23 69.72.140.0/22 69.72.144.0/22 69.72.148.0/24 69.72.150.0/23 69.72.152.0/21 69.72.160.0/19 69.72.192.0/19 69.72.224.0/20 69.72.240.0/22 69.72.245.0/24 69.72.246.0/23 69.72.250.0/23 69.72.252.0/22 173.211.19.0/24 174.140.196.0/23 184.174.17.0/24 192.70.213.0/24 198.62.86.0/24 208.116.0.0/23 208.116.2.0/24 208.116.5.0/24 208.116.6.0/23 208.116.8.0/21 208.116.16.0/24 208.116.18.0/24 208.116.20.0/22 208.116.24.0/21 208.116.32.0/20 208.116.48.0/21 208.116.58.0/23 208.116.60.0/22 216.67.224.0/22 216.67.228.0/23 216.67.231.0/24 216.67.232.0/21 216.67.240.0/21 216.67.248.0/22 216.67.252.0/24 216.67.253.0/24 216.67.254.0/23
Similar-sized networks in United States
ASN Name IPv4 addresses
AS40934 #672 FORTINET - Fortinet Inc.89,600
AS55293 #673 A2HOSTING - A2 Hosting, Inc.89,344
AS63023 #674 AS-GLOBALTELEHOST - GTHost89,088
AS1856 #676 DISN-PILOTNET2 - RTX BBN Technologies, Inc.88,832
AS13789 #677 INTERNAP-BLK3 - Unitas Global88,576
AS15081 #678 OMNI-FIBER - Omni Fiber88,320
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