AS23308 UTILITY TELEPHONE, INC.

UTILITY-AS - UTILITY TELEPHONE, INC. · registered in the United States

IPv4 addresses41,72817 prefixes · 0.001% of announced IPv4

Rank in United States#1,563largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,226of 79,396 networks with IPv4

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

CountryUnited States18,679 ASNs registered there

Open AS23308 in ASN lookup Look up an IP in this network (66.113.64.1) All networks in United States

IPv4 prefixes

All 17 prefixes, in address order.

66.113.64.0/19
104.255.240.0/21
139.60.40.0/21
173.255.96.0/20
204.11.112.0/22
204.14.136.0/21
204.16.140.0/22
204.86.252.0/22
206.128.120.0/21
206.211.208.0/21
208.65.220.0/22
208.73.8.0/21
208.75.240.0/21
208.85.200.0/21
208.86.36.0/23
208.86.38.0/24
216.162.160.0/19

IPv6 prefixes

All 1 prefix.

2607:f8c8::/32

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AS3801#1564 MISNET - Mikrotec Internet Services41,472

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AS15083#1566 INFOLINK-MIA-US - Infolink Global Corporation41,472

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