HTTPfy

AS25996 FBI Criminal Justice Information Services

FBICJIS - FBI Criminal Justice Information Services · registered in the United States

IPv4 addresses68,09645 prefixes · 0.002% of announced IPv4
Rank in United States#819largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#2,519of 79,396 networks with IPv4
IPv6258 x /482 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 45 prefixes, in address order.

  • 149.101.100.0/22
  • 149.101.118.0/24
  • 149.101.164.0/23
  • 149.101.216.0/24
  • 149.101.229.0/24
  • 149.101.242.0/24
  • 153.31.0.0/23
  • 153.31.2.0/23
  • 153.31.4.0/22
  • 153.31.8.0/21
  • 153.31.16.0/20
  • 153.31.32.0/19
  • 153.31.64.0/20
  • 153.31.80.0/21
  • 153.31.88.0/23
  • 153.31.90.0/24
  • 153.31.91.0/24
  • 153.31.92.0/22
  • 153.31.96.0/20
  • 153.31.112.0/21
  • 153.31.120.0/23
  • 153.31.122.0/24
  • 153.31.123.0/24
  • 153.31.124.0/22
  • 153.31.128.0/19
  • 153.31.160.0/24
  • 153.31.161.0/24
  • 153.31.162.0/23
  • 153.31.164.0/22
  • 153.31.168.0/21
  • 153.31.176.0/20
  • 153.31.192.0/22
  • 153.31.196.0/22
  • 153.31.200.0/21
  • 153.31.208.0/23
  • 153.31.210.0/24
  • 153.31.211.0/24
  • 153.31.212.0/22
  • 153.31.216.0/21
  • 153.31.224.0/21
  • 153.31.232.0/23
  • 153.31.234.0/24
  • 153.31.235.0/24
  • 153.31.236.0/22
  • 153.31.240.0/20

IPv6 prefixes

All 2 prefixes.

  • 2607:f330:2002::/47
  • 2607:f330:9400::/40

Similar-sized networks in United States

ASNNameIPv4 addresses
AS14789#816 CLOUDFLARENET - Cloudflare, Inc.68,352
AS7872#817 USAP-ASN - United States Antarctic Program68,352
AS3147#818 US-BANCORP - U.S. BANCORP68,352
AS3428#820 ESNET-AS - ESnet68,096
AS6319#821 MARRIOT-ASN - Marriot Corporation68,096
AS11252#822 ISU-NET-AS - Idaho State University68,096

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