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AS4373
AS4373 Online Computer Library Center
OCLC-AS - Online Computer Library Center · registered in the United States
IPv4 addresses 72,704 16 prefixes · 0.002% of announced IPv4
Rank in United States #774 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #2,370 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 16 prefixes, in address order.
38.117.94.0/24 113.29.23.0/24 132.174.0.0/16 154.59.124.0/23 192.156.252.0/24 192.188.124.0/24 193.240.184.0/24 198.137.189.0/24 198.137.190.0/23 198.187.191.0/24 199.164.217.0/24 204.17.227.0/24 204.152.100.0/22 204.152.104.0/24 205.160.168.0/23 206.107.40.0/21
Similar-sized networks in United States
ASN Name IPv4 addresses
AS399073 #771 TBB-ASN - BUNNY TECHNOLOGY LLC72,960
AS32505 #772 DWL-MAIN - Conterra72,704
AS11481 #773 AS-UTRGV - University of Texas Rio Grande Valley72,704
AS63410 #775 PRIVATESYSTEMS - PrivateSystems Networks72,448
AS5374 #776 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)72,448
AS14454 #777 SILVERSKY-INC - SilverSky, Inc.72,448
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