AS40300 DR Fortress, LLC

DRF-IXNET-HI - DR Fortress, LLC · registered in the United States

IPv4 addresses3,5844 prefixes · <0.001% of announced IPv4

Rank in United States#5,026largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,063of 79,396 networks with IPv4

IPv65 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS40300 in ASN lookup Look up an IP in this network (161.108.122.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

161.108.122.0/24
204.9.119.0/24
205.172.0.0/22
208.111.56.0/21

IPv6 prefixes

All 5 prefixes.

2606:7c80:1::/48
2606:7c80:100::/48
2606:7c80:102::/48
2606:7c80:cc1::/48
2606:7c80:cc2::/48

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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