AS7973 Mayo Foundation for Medical Education and Research

MAYO - Mayo Foundation for Medical Education and Research · registered in the United States

IPv4 addresses64,00019 prefixes · 0.002% of announced IPv4

Rank in United States#1,358largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,549of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS7973 in ASN lookup Look up an IP in this network (129.176.0.1) All networks in United States

IPv4 prefixes

All 19 prefixes, in address order.

129.176.0.0/20
129.176.16.0/21
129.176.24.0/23
129.176.26.0/24
129.176.28.0/22
129.176.32.0/19
129.176.64.0/18
129.176.128.0/20
129.176.144.0/20
129.176.160.0/19
129.176.192.0/20
129.176.212.0/22
129.176.216.0/22
129.176.220.0/22
129.176.224.0/20
129.176.241.0/24
129.176.242.0/23
129.176.244.0/22
129.176.248.0/21

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AS53850#1360 GORILLASERVERS - GorillaServers, Inc.63,744

AS13370#1361 NWF-LOCALTEL-ASN-1 - Ziply Fiber63,744

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