AS21565 Horry Telephone Cooperative, Inc.

AS21565 - Horry Telephone Cooperative, Inc. · registered in the United States

IPv4 addresses110,592155 prefixes · 0.004% of announced IPv4

Rank in United States#603largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,791of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)9 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21565 in ASN lookup Look up an IP in this network (64.138.192.1) All networks in United States

IPv4 prefixes

All 155 prefixes, in address order.

64.138.192.0/22
64.138.196.0/24
64.138.199.0/24
64.138.200.0/23
64.138.203.0/24
64.138.204.0/22
64.138.208.0/22
64.138.212.0/23
64.138.214.0/24
64.138.217.0/24
64.138.218.0/23
64.138.220.0/22
64.138.224.0/23
64.138.227.0/24
64.138.229.0/24
64.138.230.0/23
64.138.232.0/23
64.138.235.0/24
64.138.236.0/23
64.138.238.0/24
64.138.240.0/23
64.138.243.0/24
64.138.244.0/23
64.138.247.0/24
64.138.248.0/23
64.138.251.0/24
64.138.252.0/22
64.150.128.0/22
64.150.133.0/24
64.150.134.0/23
64.150.137.0/24
64.150.139.0/24
64.150.141.0/24
64.150.142.0/23
64.150.144.0/23
64.150.146.0/24
64.150.148.0/22
64.150.152.0/23
64.150.156.0/23
64.150.159.0/24
66.153.128.0/22
66.153.132.0/24
66.153.134.0/23
66.153.136.0/24
66.153.138.0/23
66.153.140.0/22
66.153.144.0/21
66.153.152.0/23
66.153.154.0/24
66.153.157.0/24
66.153.158.0/23
66.153.160.0/23
66.153.162.0/24
66.153.166.0/23
66.153.168.0/22
66.153.172.0/23
66.153.175.0/24
66.153.176.0/21
66.153.184.0/22
66.153.188.0/23
66.153.191.0/24
66.153.192.0/24
66.153.196.0/22
66.153.200.0/21
66.153.208.0/22
66.153.212.0/24
66.153.215.0/24
66.153.216.0/21
66.153.224.0/23
66.153.227.0/24
66.153.228.0/22
66.153.232.0/21
66.153.240.0/21
66.153.250.0/23
66.153.252.0/23
66.153.255.0/24
66.220.65.0/24
66.220.66.0/23
66.220.68.0/22
66.220.73.0/24
66.220.74.0/23
66.220.76.0/23
66.220.78.0/24
67.212.33.0/24
67.212.35.0/24
67.212.36.0/22
67.212.40.0/22
67.212.44.0/23
67.212.47.0/24
67.212.48.0/21
67.212.56.0/23
67.212.59.0/24
67.212.60.0/22
107.190.144.0/22
107.190.148.0/23
107.190.150.0/24
107.190.152.0/22
107.190.156.0/23
107.190.158.0/24
108.175.176.0/21
108.175.184.0/24
108.175.186.0/23
108.175.189.0/24
108.175.190.0/23
152.44.112.0/20
159.117.160.0/23
159.117.163.0/24
159.117.164.0/22
159.117.168.0/21
159.117.176.0/20
162.221.104.0/21
162.252.0.0/23
162.252.2.0/24
162.252.5.0/24
162.252.6.0/23
198.29.48.0/22
198.29.52.0/23
198.29.54.0/24
198.29.58.0/23
198.29.60.0/23
198.29.62.0/24
198.52.224.0/22
198.52.228.0/23
198.52.231.0/24
198.52.232.0/22
198.52.236.0/23
198.52.239.0/24
198.232.104.0/23
198.232.107.0/24
198.232.108.0/23
198.232.111.0/24
206.195.65.0/24
206.195.66.0/23
206.195.68.0/22
206.195.72.0/21
206.195.80.0/23
206.195.82.0/24
206.195.84.0/23
206.195.87.0/24
206.195.88.0/21
216.16.160.0/22
216.16.164.0/24
216.16.166.0/23
216.16.168.0/22
216.16.174.0/23
216.16.176.0/23
216.16.178.0/24
216.16.180.0/22
216.16.186.0/23
216.16.188.0/23
216.16.191.0/24
216.223.192.0/23
216.223.196.0/22
216.223.200.0/21
216.223.208.0/20

IPv6 prefixes

All 9 prefixes.

2606:8400::/40
2606:8400:100::/40
2606:8400:200::/39
2606:8400:400::/38
2606:8400:800::/37
2606:8400:1000::/36
2606:8400:2000::/35
2606:8400:4000::/34
2606:8400:8000::/33

Other ASNs named Horry Telephone Cooperative, Inc.

1 other network uses the same organisation name; together with AS21565 they announce 110,848 IPv4 addresses.

ASNNameIPv4 addresses

AS401099HTC-IS-01 - Horry Telephone Cooperative, Inc. US256

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ASNNameIPv4 addresses

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AS26827#604 EPBTELECOM - EPB Fiber Optics110,336

AS10794#605 BANKAMERICA - Bank of America, National Association109,056

AS18712#606 EVERFAST-KC - Everfast Fiber Networks LLC108,800

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