AS398774 Pennsylvania Western University

CUP-3 - Pennsylvania Western University · registered in the United States

IPv4 addresses8,7045 prefixes · <0.001% of announced IPv4

Rank in United States#3,178largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#9,983of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS398774 in ASN lookup Look up an IP in this network (204.108.188.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

204.108.188.0/23
209.250.192.0/21
209.250.200.0/22
209.250.204.0/22
209.250.208.0/20

Other ASNs named Pennsylvania Western University

2 other networks use the same organisation name; together with AS398774 they announce 140,800 IPv4 addresses.

ASNNameIPv4 addresses

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

AS398655CALU-ASN - Pennsylvania Western University US66,048

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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