AS31814 FlightSafety International

FSI - FlightSafety International · registered in the United States

IPv4 addresses1,2804 prefixes · <0.001% of announced IPv4

Rank in United States#7,531largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#28,628of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS31814 in ASN lookup Look up an IP in this network (66.109.81.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

66.109.81.0/24
66.109.87.0/24
66.109.92.0/23
66.109.94.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30643#7528 TTXCOMPANY - TTX Company1,280

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AS30687#7530 NWS-SOUTHERN-REGION-HEADQUARTERS - National Weather Service Southern Region Headquarters1,280

AS31834#7532 TELA-ASN - TELA, Incorporated1,280

AS31865#7533 SWKAS - THE STANLEY WORKS1,280

AS31892#7534 FLP-MSA - Forever Living Products1,280

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