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AS396323 Johnson Controls Federal Systems Inc.

JCFS - Johnson Controls Federal Systems Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4
Rank in United States#12,276largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#58,241of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 2 prefixes, in address order.

  • 205.145.180.0/24
  • 205.145.188.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS396310#12273 SDSU-SCIENCE-NETWORK - San Diego State University512
AS396318#12274 CENTENNIALBANK-AR - Centennial Bank512
AS396321#12275 FANATICS - Fanatics, INC512
AS396325#12277 FUSION-NETWORKS - Fusion Networks Enterprises LLC, The512
AS396326#12278 ASN-WATCO-IPV4-DC - Watco Companies, LLC.512
AS396337#12279 DE - Dreisbach Enterprises, 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