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AS16525 KBR

KBR - KBR · registered in the United States

IPv4 addresses4,6086 prefixes · <0.001% of announced IPv4
Rank in United States#4,296largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#14,338of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 6 prefixes, in address order.

  • 161.51.0.0/21
  • 161.51.8.0/24
  • 161.51.10.0/23
  • 161.51.20.0/23
  • 161.51.22.0/24
  • 161.51.24.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses
AS15198#4293 CCPI---SITE-1 - Convention Communications Provisioners, Inc.4,608
AS15989#4294 SFTI-EU Intercontinental Exchange Inc.4,608
AS16466#4295 AVAYA-ONECLOUD - Avaya LLC4,608
AS17264#4297 CERNER-COM - Cerner Corporation4,608
AS18795#4298 ULV-AS - University of La Verne4,608
AS19512#4299 LYONDELL - Lyondell Chemical Company4,608

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