AS20228 Navajo Tribal Utility Authority

NTUA - Navajo Tribal Utility Authority · registered in the United States

IPv4 addresses4,0963 prefixes · <0.001% of announced IPv4

Rank in United States#4,491largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,023of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS20228 in ASN lookup Look up an IP in this network (66.92.68.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

66.92.68.0/22
74.117.36.0/22
162.219.88.0/21

IPv6 prefixes

All 1 prefix.

2607:1140::/32

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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