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Autonomous System

AS21565

Horry Telephone Cooperative, Inc.

Horry Telephone Cooperative, Inc. United States 🌐 htcinc.net
Announced IPs
119,296
CIDR prefixes
259
ASN
AS21565

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

AS21565 — global IP footprint

Cities where AS21565 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
64.138.208.0/20 4.1K
93.3%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.150.144.0/20 4.1K
84.8%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.128.0/20 4.1K
93.4%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.224.0/20 4.1K
93.8%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
108.175.176.0/20 4.1K
99.6%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
152.44.112.0/20 4.1K
91.3%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
198.52.224.0/20 4.1K
69.7%
Horry Telephone Cooperative, Inc. US South Carolina Conway
206.195.64.0/20 4.1K
55.4%
Horry Telephone Cooperative, Inc. US South Carolina Loris
216.223.208.0/20 4.1K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.216.0/21 2.0K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Galivants Ferry
64.138.240.0/21 2.0K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.150.144.0/21 2.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
66.153.128.0/21 2.0K
93.6%
Horry Telephone Cooperative, Inc. US — —
66.153.136.0/21 2.0K
93.3%
Horry Telephone Cooperative, Inc. US — —
66.153.144.0/21 2.0K
91.8%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.168.0/21 2.0K
92.8%
Horry Telephone Cooperative, Inc. US South Carolina Murrells Inlet
66.153.176.0/21 2.0K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Conway
66.153.200.0/21 2.0K
79.2%
Horry Telephone Cooperative, Inc. US — —
66.153.216.0/21 2.0K
93.7%
Horry Telephone Cooperative, Inc. US — —
66.153.232.0/21 2.0K
94.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.240.0/21 2.0K
92.7%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
67.212.48.0/21 2.0K
78.0%
Horry Telephone Cooperative, Inc. US — —
107.190.144.0/21 2.0K
98.9%
Horry Telephone Cooperative, Inc. US South Carolina North Myrtle Beach
108.175.176.0/21 2.0K
99.8%
Horry Telephone Cooperative, Inc. US — —
152.44.120.0/21 2.0K
92.1%
Horry Telephone Cooperative, Inc. US — —
159.117.168.0/21 2.0K
89.6%
Horry Telephone Cooperative, Inc. US — —
159.117.184.0/21 2.0K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
162.221.104.0/21 2.0K
93.2%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
162.252.0.0/21 2.0K
94.5%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
198.29.48.0/21 2.0K
75.9%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
206.195.72.0/21 2.0K
54.2%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
206.195.88.0/21 2.0K
56.7%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
216.16.160.0/21 2.0K
91.9%
Horry Telephone Cooperative, Inc. US — —
216.223.200.0/21 2.0K
73.0%
Horry Telephone Cooperative, Inc. US South Carolina Loris
64.138.192.0/22 1.0K
95.3%
Horry Telephone Cooperative, Inc. US — —
64.138.204.0/22 1.0K
92.6%
Horry Telephone Cooperative, Inc. US — —
64.138.212.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
64.138.224.0/22 1.0K
92.9%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.236.0/22 1.0K
92.5%
Horry Telephone Cooperative, Inc. US — —
64.138.240.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.244.0/22 1.0K
92.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.252.0/22 1.0K
92.1%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.150.128.0/22 1.0K
86.0%
Horry Telephone Cooperative, Inc. US — —
64.150.136.0/22 1.0K
85.5%
Horry Telephone Cooperative, Inc. US — —
64.150.148.0/22 1.0K
83.9%
Horry Telephone Cooperative, Inc. US — —
64.150.156.0/22 1.0K
86.2%
Horry Telephone Cooperative, Inc. US — —
66.153.128.0/22 1.0K
93.8%
Horry Telephone Cooperative, Inc. US — —
66.153.136.0/22 1.0K
94.0%
Horry Telephone Cooperative, Inc. US — —
66.153.144.0/22 1.0K
91.4%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.156.0/22 1.0K
91.6%
Horry Telephone Cooperative, Inc. US South Carolina Murrells Inlet
66.153.168.0/22 1.0K
94.1%
Horry Telephone Cooperative, Inc. US South Carolina Murrells Inlet
66.153.180.0/22 1.0K
89.9%
Horry Telephone Cooperative, Inc. US South Carolina Conway
66.153.184.0/22 1.0K
90.5%
Horry Telephone Cooperative, Inc. US — —
66.153.196.0/22 1.0K
89.3%
Horry Telephone Cooperative, Inc. US — —
66.153.208.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
66.153.220.0/22 1.0K
94.5%
Horry Telephone Cooperative, Inc. US — —
66.153.228.0/22 1.0K
93.6%
Horry Telephone Cooperative, Inc. US South Carolina Conway
66.153.236.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
66.153.244.0/22 1.0K
91.6%
Horry Telephone Cooperative, Inc. US — —
66.220.68.0/22 1.0K
99.1%
Horry Telephone Cooperative, Inc. US South Carolina Conway
66.220.72.0/22 1.0K
99.5%
Horry Telephone Cooperative, Inc. US South Carolina Galivants Ferry
67.212.40.0/22 1.0K
81.3%
Horry Telephone Cooperative, Inc. US — —
67.212.60.0/22 1.0K
76.2%
Horry Telephone Cooperative, Inc. US — —
107.190.144.0/22 1.0K
99.4%
Horry Telephone Cooperative, Inc. US — —
107.190.156.0/22 1.0K
98.7%
Horry Telephone Cooperative, Inc. US South Carolina Loris
108.175.184.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
152.44.112.0/22 1.0K
89.0%
Horry Telephone Cooperative, Inc. US — —
159.117.164.0/22 1.0K
91.2%
Horry Telephone Cooperative, Inc. US — —
159.117.172.0/22 1.0K
90.3%
Horry Telephone Cooperative, Inc. US — —
159.117.180.0/22 1.0K
84.6%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
159.117.184.0/22 1.0K
85.6%
Horry Telephone Cooperative, Inc. US — —
198.232.104.0/22 1.0K
54.4%
Horry Telephone Cooperative, Inc. US — —
206.195.68.0/22 1.0K
57.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
216.16.168.0/22 1.0K
90.9%
Horry Telephone Cooperative, Inc. US — —
216.16.180.0/22 1.0K
93.3%
Horry Telephone Cooperative, Inc. US — —
216.16.184.0/22 1.0K
92.7%
Horry Telephone Cooperative, Inc. US — —
216.223.196.0/22 1.0K
72.7%
Horry Telephone Cooperative, Inc. US — —
216.223.200.0/22 1.0K
72.9%
Horry Telephone Cooperative, Inc. US South Carolina Loris
216.223.208.0/22 1.0K
0.0%
Horry Telephone Cooperative, Inc. US — —
216.223.220.0/22 1.0K
74.5%
Horry Telephone Cooperative, Inc. US — —
64.138.198.0/23 512
95.5%
Horry Telephone Cooperative, Inc. US — —
64.138.200.0/23 512
95.5%
Horry Telephone Cooperative, Inc. US — —
64.138.230.0/23 512
93.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.232.0/23 512
92.4%
Horry Telephone Cooperative, Inc. US — —
64.138.242.0/23 512
93.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.246.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US — —
64.138.248.0/23 512
90.4%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.252.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
64.138.254.0/23 512
93.2%
Horry Telephone Cooperative, Inc. US South Carolina Conway
64.150.128.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US — —
64.150.130.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US — —
64.150.134.0/23 512
84.8%
Horry Telephone Cooperative, Inc. US — —
64.150.136.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US — —
64.150.142.0/23 512
87.5%
Horry Telephone Cooperative, Inc. US — —
64.150.144.0/23 512
84.2%
Horry Telephone Cooperative, Inc. US — —
64.150.154.0/23 512
88.7%
Horry Telephone Cooperative, Inc. US — —
66.153.142.0/23 512
91.2%
Horry Telephone Cooperative, Inc. US — —
66.153.148.0/23 512
92.4%
Horry Telephone Cooperative, Inc. US South Carolina Myrtle Beach
66.153.152.0/23 512
0.0%
Horry Telephone Cooperative, Inc. US — —
66.153.156.0/23 512
90.8%
Horry Telephone Cooperative, Inc. US South Carolina Murrells Inlet

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21565 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
159.117.167.0/24 244,428 2026-09-10 18:08:05
152.44.118.0/24 244,283 2026-09-10 18:08:05
159.117.174.0/24 243,247 2026-09-10 18:08:22
159.117.172.0/24 243,225 2026-09-10 18:08:22
159.117.165.0/24 241,765 2026-09-10 18:08:22
152.44.114.0/24 241,638 2026-09-10 18:07:51
159.117.166.0/24 241,618 2026-09-10 18:08:22
162.221.108.0/24 241,408 2026-09-10 18:08:22
152.44.125.0/24 241,405 2026-09-10 18:07:51
152.44.115.0/24 241,348 2026-09-10 18:07:51
152.44.117.0/24 241,305 2026-09-10 18:07:51
152.44.116.0/24 241,281 2026-09-10 18:07:51
152.44.121.0/24 241,217 2026-09-10 18:07:51
152.44.113.0/24 241,213 2026-09-10 18:07:51
66.153.251.0/24 226,953 2026-09-10 18:08:22
206.195.75.0/24 224,920 2026-09-10 18:08:05
66.153.166.0/24 224,358 2026-09-10 18:08:05
64.138.241.0/24 223,945 2026-09-10 18:08:05
67.212.63.0/24 223,639 2026-09-10 18:07:37
67.212.61.0/24 223,615 2026-09-10 18:07:37
67.212.62.0/24 223,504 2026-09-10 18:07:37
67.212.54.0/24 223,358 2026-09-10 18:07:37
198.52.237.0/24 223,111 2026-09-10 18:08:45
66.220.71.0/24 222,685 2026-09-10 18:07:51
198.52.235.0/24 222,566 2026-09-10 18:08:22
66.153.147.0/24 219,018 2026-09-10 18:08:22
66.153.152.0/24 218,503 2026-09-10 18:08:22
66.153.236.0/24 218,167 2026-09-10 18:08:22
66.153.148.0/24 218,057 2026-09-10 18:08:22
216.223.223.0/24 207,677 2026-09-10 18:07:51
159.117.185.0/24 85,333 2026-09-10 18:08:22
159.117.187.0/24 84,572 2026-09-10 18:08:22
206.195.88.0/24 81,518 2026-09-10 18:08:22
206.195.90.0/24 80,558 2026-09-10 18:07:51
64.150.139.0/24 80,407 2026-09-10 18:07:51
66.220.67.0/24 76,810 2026-09-10 18:07:51
162.221.110.0/24 74,323 2026-09-10 18:08:22
66.153.132.0/24 73,017 2026-09-10 18:08:22
162.221.111.0/24 72,486 2026-09-10 18:08:22
162.221.106.0/24 71,972 2026-09-10 18:08:22
159.117.160.0/24 67,841 2026-09-10 18:08:09
108.175.182.0/24 67,252 2026-09-10 18:07:51
159.117.168.0/24 67,140 2026-09-10 18:08:22
108.175.189.0/24 66,413 2026-09-10 18:07:46
107.190.145.0/24 66,384 2026-09-10 18:07:31
198.29.60.0/24 66,339 2026-09-10 18:08:09
107.190.155.0/24 66,316 2026-09-10 18:07:35
152.44.122.0/24 66,300 2026-09-10 18:07:46
198.232.111.0/24 66,267 2026-09-10 18:07:35
159.117.177.0/24 66,221 2026-09-10 18:08:09

Showing top 50 of 465 announced prefixes by sample volume.

Frequently Asked Questions

What is AS21565?

AS21565 is an Autonomous System Number assigned to Horry Telephone Cooperative, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS21565 announce?

AS21565 announces 119.3K IPv4 addresses distributed across 259 routed CIDR prefixes. The network is registered in United States.

Who operates AS21565?

AS21565 is operated by Horry Telephone Cooperative, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS21565 registered in?

AS21565 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 18:11:07 UTC
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