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AS6423
AS6423 Digital Fortress
DF-PTL2-3 - Digital Fortress · registered in the United States
IPv4 addresses 26,624 21 prefixes · <0.001% of announced IPv4
Rank in United States #1,874 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #5,292 of 79,396 networks with IPv4
IPv6 512 x /48 2 prefixes
IPv4 prefixes
All 21 prefixes, in address order.
69.30.0.0/20 69.30.16.0/21 69.30.24.0/24 69.30.25.0/24 69.30.26.0/23 69.30.28.0/22 69.30.32.0/23 69.30.34.0/24 69.30.35.0/24 69.30.36.0/22 69.30.40.0/21 69.30.48.0/22 69.30.52.0/23 69.30.54.0/24 69.30.56.0/21 69.30.80.0/22 69.30.88.0/24 69.30.90.0/24 69.30.94.0/23 69.30.96.0/19 209.162.220.0/24
IPv6 prefixes
All 2 prefixes.
2001:19d0:100::/40 2001:19d0:200::/40
Other ASNs named Digital Fortress
1 other network uses the same organisation name; together with AS6423 they announce 57,856 IPv4 addresses.
ASN Name IPv4 addresses
AS2044 DF-PTL1 - Digital Fortress US 31,232
Similar-sized networks in United States
ASN Name IPv4 addresses
AS26666 #1871 INTERSERVER-LAX - Interserver, Inc26,624
AS32723 #1872 ARCHTOP-FIBER - Archtop Fiber26,624
AS63473 #1873 HOSTHATCH - HostHatch, LLC26,624
AS571 #1875 DNIC-AS-00571 - United States Department of Defense (DoD)26,624
AS2003 #1876 EPRI-PA - Electric Power Research Institute26,624
AS5049 #1877 MORGAN-ASN - Morgan Stanley Group Inc.26,624
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