HTTPfy

AS399687 Def, Inc

DEFIN-AS - Def, Inc · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4
Rank in United States#12,535largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#58,541of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 2 prefixes, in address order.

  • 23.189.240.0/24
  • 146.19.2.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS399615#12532 OCU-ASN01 - ORIX Corporation USA512
AS399658#12533 CH3 - Guaranteed Rate Inc512
AS399676#12534 KANIKSU-01 - Kaniksu, LLC512
AS399698#12536 TRAVELWIFI - TRAVELWIFI LLC512
AS399707#12537 EA-ORLANDO - Electronic Arts, Inc.512
AS399712#12538 ENTEFY-ASN - Entefy Inc.512

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