AS100 FMC Central Engineering Laboratories

FMC-CTC - FMC Central Engineering Laboratories · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,257largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,624of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS100 in ASN lookup Look up an IP in this network (12.30.153.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

12.30.153.0/24
38.22.219.0/24
192.118.48.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400806#9254 CLEARLYIP-CA - Clearly IP Inc768

AS401731#9255 ROLL-TIDE - The University of Alabama Athletics768

AS78#9256 BA-346-78 - BT Americas, Inc768

AS188#9258 SAIC-AS-188 - SAIC768

AS558#9259 VEGANEXT - NV Next LLC768

AS773#9260 PARSONS-PGS-2 - Parsons Corporation768

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