AS398655 Pennsylvania Western University

CALU-ASN - Pennsylvania Western University · registered in the United States

IPv4 addresses66,0482 prefixes · 0.002% of announced IPv4

Rank in United States#929largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,748of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS398655 in ASN lookup Look up an IP in this network (158.83.0.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

158.83.0.0/16
204.108.174.0/23

Other ASNs named Pennsylvania Western University

2 other networks use the same organisation name; together with AS398655 they announce 140,800 IPv4 addresses.

ASNNameIPv4 addresses

AS398564EUP-SCOTS-NET - Pennsylvania Western University US66,048

AS398774CUP-3 - Pennsylvania Western University US8,704

Similar-sized networks in United States

ASNNameIPv4 addresses

AS32996#926 AGRIBANK-STPAUL - AgriBank, FCB66,048

AS47024#927 THE-METROHEALTH-SYSTEM - The MetroHealth System66,048

AS398564#928 EUP-SCOTS-NET - Pennsylvania Western University66,048

AS10867#930 FHDA-AS - Foothill-DeAnza Community College District65,800

AS34#931 UDELNET - University of Delaware65,792

AS17152#932 BATES - Bates College65,792

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