AS394018 ARIN Operations

ARIN-PFS-SEA - ARIN Operations · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,433largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#62,686of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS394018 in ASN lookup Look up an IP in this network (199.5.26.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.5.26.0/24

IPv6 prefixes

All 1 prefix.

2001:500:a9::/48

Other ASNs named ARIN Operations

4 other networks use the same organisation name; together with AS394018 they announce 2,560 IPv4 addresses.

ASNNameIPv4 addresses

AS53535ARIN-PFS-ANYCAST - ARIN Operations US1,024

AS10745ARIN-ASH-CHA - ARIN Operations US768

AS393220ARIN-PFS-SJC - ARIN Operations US256

AS393225ARIN-PFS-IAD - ARIN Operations US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS393638#13430 MESQ-TX - City of Mesquite Texas256

AS393717#13431 PUPPET - Puppet, Inc.256

AS393838#13432 LPH-LIBERTYPUMPS - Liberty Pumps, Inc.256

AS394110#13434 BNFP - Jaguar Land Rover Manhattan256

AS394118#13435 VSSMEDICAL-CT-01 - Sigmund Software, LLC256

AS394191#13436 YPP-NET-KENNER - Your Preferred Printer, LLC256

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