AS186 The Catholic University of America

CUA-AS - The Catholic University of America · registered in the United States

IPv4 addresses8,4482 prefixes · <0.001% of announced IPv4

Rank in United States#3,206largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#10,061of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS186 in ASN lookup Look up an IP in this network (136.242.0.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

136.242.0.0/19
192.31.193.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS3364#3207 CSDCO-AS - Computer Systems Design Company8,448

AS4364#3208 IGLOU - IgLou Internet Services8,448

AS5671#3209 PBI-NET-BLK - AT&T Enterprises, LLC8,448

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