AS54366 First-Citizens Bank & Trust Company

FCB-ASN-54366-AP - First-Citizens Bank & Trust Company · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,971largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#68,425of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS54366 in ASN lookup Look up an IP in this network (205.189.116.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

205.189.116.0/24

Other ASNs named First-Citizens Bank & Trust Company

2 other networks use the same organisation name; together with AS54366 they announce 12,800 IPv4 addresses.

ASNNameIPv4 addresses

AS22976FIRST-CITIZENS-01 - First-Citizens Bank & Trust Company US10,240

AS16640SILICON-VALLEY-BANK - First-Citizens Bank & Trust Company US2,304

Similar-sized networks in United States

ASNNameIPv4 addresses

AS54356#15968 GENENSIS-SYSTEMS-LLC - GENESIS SYSTEMS, INC.256

AS54360#15969 USJ-ASN - USJ256

AS54361#15970 PBCI - Poarch Band of Creek Indians256

AS54367#15972 RILIN - State of Rhode Island General Assembly256

AS54371#15973 METROINET - City of Roseville - Minnesota256

AS54377#15974 YGHCS - YGHCS (York General Healthcare Services)256

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