HTTPfy

AS13692 Douglas FastNet

DFN-ASN-1 - Douglas FastNet · registered in the United States

IPv4 addresses45,31226 prefixes · 0.001% of announced IPv4
Rank in United States#1,529largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,089of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 26 prefixes, in address order.

  • 38.21.56.0/21
  • 38.41.120.0/23
  • 38.77.244.0/22
  • 38.79.144.0/21
  • 38.79.156.0/22
  • 38.84.208.0/21
  • 38.84.216.0/22
  • 38.87.60.0/22
  • 64.29.48.0/20
  • 66.179.60.0/22
  • 67.219.224.0/20
  • 100.42.160.0/20
  • 108.174.176.0/20
  • 172.98.44.0/22
  • 192.55.252.0/22
  • 192.86.0.0/24
  • 192.133.23.0/24
  • 192.175.50.0/23
  • 198.62.118.0/24
  • 198.100.136.0/21
  • 198.237.10.0/24
  • 198.237.16.0/20
  • 198.237.214.0/24
  • 199.187.176.0/22
  • 199.195.16.0/20
  • 208.77.176.0/21

IPv6 prefixes

All 1 prefix.

  • 2607:8600::/32

Similar-sized networks in United States

ASNNameIPv4 addresses
AS22898#1526 ATLINK - ATLINK SERVICES, LLC45,824
AS40545#1527 EMPIRE-40545 - Empire Access45,824
AS397733#1528 AS-NYSED - New York State Education Department45,824
AS20283#1530 CTC-INTERNET-MN - CONSOLIDATED TELEPHONE COMPANY45,312
AS2154#1531 HPINC - HP Inc.45,312
AS27138#1532 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)45,312

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