AS19356 Tohono O'Odham Utility Authority

TOUA-NOC - Tohono O'Odham Utility Authority · registered in the United States

IPv4 addresses8,1928 prefixes · <0.001% of announced IPv4

Rank in United States#3,365largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#10,631of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS19356 in ASN lookup Look up an IP in this network (38.64.112.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

38.64.112.0/20
64.25.64.0/22
64.25.68.0/23
64.25.70.0/23
64.25.72.0/23
64.25.74.0/24
64.25.75.0/24
64.25.76.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses

AS18972#3362 PROMENET - PROMENET, INC.8,192

AS19043#3363 ONEBEACONINSURANCEGROUP - OneBeacon Insurance Group LTD8,192

AS19112#3364 NEW-LISBON-BROADBAND-AND-COMMUNICATIONS - New Lisbon Telephone Co., INC8,192

AS19413#3366 ROANOKE-CONNECT-ASN-1 - Roanoke Connect8,192

AS19721#3367 MHN - Magellan Health Services8,192

AS19816#3368 NCSDATACOM - NCS DataCom, Inc.8,192

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