AS393282 University of California at Berkeley

UCB-1 - University of California at Berkeley · registered in the United States

IPv4 addresses1,5527 prefixes · <0.001% of announced IPv4

Rank in United States#6,788largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#25,641of 79,396 networks with IPv4

IPv61 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS393282 in ASN lookup Look up an IP in this network (137.164.50.177) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

137.164.50.176/28
192.31.95.0/24
192.31.161.0/24
192.58.221.0/24
192.101.42.0/24
192.107.102.0/24
192.195.74.0/24

IPv6 prefixes

All 2 prefixes.

2607:f140:a000::/48
2607:f380::118:9a43:2b00/120

Other ASNs named University of California at Berkeley

1 other network uses the same organisation name; together with AS393282 they announce 201,492 IPv4 addresses.

ASNNameIPv4 addresses

AS25UCB - University of California at Berkeley US199,940

Similar-sized networks in United States

ASNNameIPv4 addresses

AS402413#6785 BURST - BURSTX1,792

AS402510#6786 ESSYSS-NETWORK - Essyss1,792

AS21778#6787 NET-DIDATA-NY - Dimension Data North America, Inc.1,648

AS14255#6789 AS-USD - University of San Diego1,538

AS394109#6790 CFH - CFH CABLE INC1,536

AS199152#6791 VDC-USA Virtual Data Center Inc1,536

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