AS400452 University of California Davis Medical Center

UC-DAVIS-HEALTH - University of California Davis Medical Center · registered in the United States

IPv4 addresses65,5382 prefixes · 0.002% of announced IPv4

Rank in United States#993largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,852of 79,396 networks with IPv4

IPv632 addresses (smaller than a /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS400452 in ASN lookup Look up an IP in this network (137.164.23.29) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

137.164.23.28/31
152.79.0.0/16

IPv6 prefixes

All 1 prefix.

2607:f380:1::118:9a41:71c0/123

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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