AS693 University of Notre Dame

NOTRE-DAME-AS - University of Notre Dame · registered in the United States

IPv4 addresses77,8248 prefixes · 0.002% of announced IPv4

Rank in United States#742largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,238of 79,396 networks with IPv4

IPv6128 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS693 in ASN lookup Look up an IP in this network (66.205.160.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

66.205.160.0/20
66.254.224.0/19
129.74.0.0/18
129.74.64.0/20
129.74.80.0/21
129.74.88.0/21
129.74.96.0/19
129.74.128.0/17

IPv6 prefixes

All 1 prefix.

2620:0:2f00::/41

Similar-sized networks in United States

ASNNameIPv4 addresses

AS19255#739 YOUR-ORG-INC-NA - YOUR.ORG, INC.78,080

AS2#740 UDEL-DCN - University of Delaware78,080

AS11911#741 THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS11911 - The Bank of New York Mellon Corporation78,080

AS22925#743 ALLIED-TELECOM - Allied Telecom Group, LLC77,312

AS3762#744 INSTINET-AS - Instinet77,312

AS40509#745 FLY - Fly.io, Inc.77,056

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