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AS36149 Hawaiian Telcom Services Company, Inc.

HAWAIIAN-TELCOM - Hawaiian Telcom Services Company, Inc. · registered in the United States

IPv4 addresses369,15239 prefixes · 0.012% of announced IPv4
Rank in United States#200largest network in US by IPv4 space, of 18,338 · 0.03% of US
Rank worldwide#697of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryUnited States18,679 ASNs registered there
Open AS36149 in ASN lookup Look up an IP in this network (64.75.128.1) All networks in United States

IPv4 prefixes

All 39 prefixes, in address order.

  • 64.75.128.0/18
  • 64.75.192.0/20
  • 64.75.208.0/22
  • 64.75.212.0/23
  • 64.75.215.0/24
  • 64.75.216.0/21
  • 64.75.224.0/19
  • 72.234.0.0/16
  • 72.235.0.0/17
  • 72.235.128.0/22
  • 72.235.137.0/24
  • 72.235.138.0/23
  • 72.235.140.0/22
  • 72.235.144.0/20
  • 72.235.160.0/20
  • 72.235.176.0/21
  • 72.235.184.0/23
  • 72.235.186.0/24
  • 72.235.187.0/24
  • 72.235.188.0/22
  • 72.235.192.0/18
  • 72.253.0.0/18
  • 72.253.64.0/21
  • 72.253.72.0/22
  • 72.253.77.0/24
  • 72.253.78.0/23
  • 72.253.80.0/20
  • 72.253.96.0/19
  • 72.253.128.0/17
  • 141.239.0.0/16
  • 147.81.0.0/18
  • 147.81.64.0/18
  • 147.81.128.0/17
  • 192.189.179.0/24
  • 204.63.136.0/22
  • 204.63.140.0/23
  • 204.63.143.0/24
  • 204.130.154.0/24
  • 208.110.0.0/19

IPv6 prefixes

All 1 prefix.

  • 2607:f9a0::/32

Other ASNs named Hawaiian Telcom Services Company, Inc.

1 other network uses the same organisation name; together with AS36149 they announce 393,728 IPv4 addresses.

ASNNameIPv4 addresses
AS21686SYSTEMMETRICS-1 - Hawaiian Telcom Services Company, Inc. US24,576

Similar-sized networks in United States

ASNNameIPv4 addresses
AS6122#197 ICN-AS - Iowa Communications Network377,344
AS54113#198 FASTLY - Fastly, Inc.375,296
AS30058#199 FDCSERVERS - FDCservers.net369,918
AS647#201 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD)348,928
AS3354#202 THENET-AS-3354 - University of Texas System347,648
AS2688#203 ATGS-MMD-AS - AT&T Enterprises, LLC345,600

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