AS21686 Hawaiian Telcom Services Company, Inc.

SYSTEMMETRICS-1 - Hawaiian Telcom Services Company, Inc. · registered in the United States

IPv4 addresses24,5764 prefixes · <0.001% of announced IPv4

Rank in United States#1,954largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,529of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21686 in ASN lookup Look up an IP in this network (64.111.176.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

64.111.176.0/20
66.135.224.0/19
66.175.64.0/19
208.103.96.0/20

Other ASNs named Hawaiian Telcom Services Company, Inc.

1 other network uses the same organisation name; together with AS21686 they announce 393,728 IPv4 addresses.

ASNNameIPv4 addresses

AS36149HAWAIIAN-TELCOM - Hawaiian Telcom Services Company, Inc. US369,152

Similar-sized networks in United States

ASNNameIPv4 addresses

AS7968#1951 LOYOLA-UNIV-CHICAGO - Loyola University Chicago24,576

AS10821#1952 PIONEERINTERNET - The Pioneer Telephone Association, Inc.24,576

AS14671#1953 TACONIC - FairPoint Communications24,576

AS21719#1955 CHL - CHL24,576

AS23265#1956 POCKETINET - Pocketinet Communications, Inc24,576

AS26472#1957 CHIBARDUN-TEL - Mosaic Telecom24,576

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