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CIDR Range

211.56.64.0/18

16.4K IPs /18 South Korea APNIC
Addresses
16,384
16.4K
IP Range
211.56.64.0
→ 211.56.127.255
Sub-ranges
20+
within this block
PTR Density
0.1%
16 of 16.4K IPs have PTR

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 211.56.64.0/18

CIDRIPsOrganizationASNCountry
211.56.96.0/19 8.2K — — KR
211.56.64.0/19 8.2K Korea Telecom AS4766 KR
211.56.112.0/20 4.1K — — KR
211.56.64.0/20 4.1K Korea Telecom AS4766 KR
211.56.96.0/20 4.1K — — KR
211.56.96.0/20 4.1K Korea Telecom AS4766 KR
211.56.96.0/20 4.1K Korea Telecom AS4766 KR
211.56.64.0/20 4.1K — — KR
211.56.80.0/20 4.1K — — KR
211.56.80.0/21 2.0K Korea Telecom AS4766 KR
211.56.112.0/21 2.0K Korea Telecom AS4766 KR
211.56.112.0/21 2.0K Korea Telecom AS4766 KR
211.56.120.0/22 1.0K Korea Telecom AS4766 KR
211.56.120.0/22 1.0K Korea Telecom AS4766 KR
211.56.92.0/22 1.0K Tencent Building, Kejizhongyi Avenue AS132203 KR
211.56.88.0/22 1.0K Korea Telecom AS4766 KR
211.56.124.0/23 512 Korea Telecom AS4766 KR
211.56.124.0/23 512 Korea Telecom AS4766 KR
211.56.126.0/23 512 kt cloud Co., Ltd AS152232 KR
211.56.126.0/23 512 kt cloud Co., Ltd AS152232 KR

Geolocation

First 256 of 16,384 IP addresses in 211.56.64.0/18

211.56.64.0 211.56.64.1 211.56.64.2 211.56.64.3 211.56.64.4 211.56.64.5 211.56.64.6 211.56.64.7 211.56.64.8 211.56.64.9 211.56.64.10 211.56.64.11 211.56.64.12 211.56.64.13 211.56.64.14 211.56.64.15 211.56.64.16 211.56.64.17 211.56.64.18 211.56.64.19 211.56.64.20 211.56.64.21 211.56.64.22 211.56.64.23 211.56.64.24 211.56.64.25 211.56.64.26 211.56.64.27 211.56.64.28 211.56.64.29 211.56.64.30 211.56.64.31 211.56.64.32 211.56.64.33 211.56.64.34 211.56.64.35 211.56.64.36 211.56.64.37 211.56.64.38 211.56.64.39 211.56.64.40 211.56.64.41 211.56.64.42 211.56.64.43 211.56.64.44 211.56.64.45 211.56.64.46 211.56.64.47 211.56.64.48 211.56.64.49 211.56.64.50 211.56.64.51 211.56.64.52 211.56.64.53 211.56.64.54 211.56.64.55 211.56.64.56 211.56.64.57 211.56.64.58 211.56.64.59 211.56.64.60 211.56.64.61 211.56.64.62 211.56.64.63 211.56.64.64 211.56.64.65 211.56.64.66 211.56.64.67 211.56.64.68 211.56.64.69 211.56.64.70 211.56.64.71 211.56.64.72 211.56.64.73 211.56.64.74 211.56.64.75 211.56.64.76 211.56.64.77 211.56.64.78 211.56.64.79 211.56.64.80 211.56.64.81 211.56.64.82 211.56.64.83 211.56.64.84 211.56.64.85 211.56.64.86 211.56.64.87 211.56.64.88 211.56.64.89 211.56.64.90 211.56.64.91 211.56.64.92 211.56.64.93 211.56.64.94 211.56.64.95 211.56.64.96 211.56.64.97 211.56.64.98 211.56.64.99 211.56.64.100 211.56.64.101 211.56.64.102 211.56.64.103 211.56.64.104 211.56.64.105 211.56.64.106 211.56.64.107 211.56.64.108 211.56.64.109 211.56.64.110 211.56.64.111 211.56.64.112 211.56.64.113 211.56.64.114 211.56.64.115 211.56.64.116 211.56.64.117 211.56.64.118 211.56.64.119 211.56.64.120 211.56.64.121 211.56.64.122 211.56.64.123 211.56.64.124 211.56.64.125 211.56.64.126 211.56.64.127 211.56.64.128 211.56.64.129 211.56.64.130 211.56.64.131 211.56.64.132 211.56.64.133 211.56.64.134 211.56.64.135 211.56.64.136 211.56.64.137 211.56.64.138 211.56.64.139 211.56.64.140 211.56.64.141 211.56.64.142 211.56.64.143 211.56.64.144 211.56.64.145 211.56.64.146 211.56.64.147 211.56.64.148 211.56.64.149 211.56.64.150 211.56.64.151 211.56.64.152 211.56.64.153 211.56.64.154 211.56.64.155 211.56.64.156 211.56.64.157 211.56.64.158 211.56.64.159 211.56.64.160 211.56.64.161 211.56.64.162 211.56.64.163 211.56.64.164 211.56.64.165 211.56.64.166 211.56.64.167 211.56.64.168 211.56.64.169 211.56.64.170 211.56.64.171 211.56.64.172 211.56.64.173 211.56.64.174 211.56.64.175 211.56.64.176 211.56.64.177 211.56.64.178 211.56.64.179 211.56.64.180 211.56.64.181 211.56.64.182 211.56.64.183 211.56.64.184 211.56.64.185 211.56.64.186 211.56.64.187 211.56.64.188 211.56.64.189 211.56.64.190 211.56.64.191 211.56.64.192 211.56.64.193 211.56.64.194 211.56.64.195 211.56.64.196 211.56.64.197 211.56.64.198 211.56.64.199 211.56.64.200 211.56.64.201 211.56.64.202 211.56.64.203 211.56.64.204 211.56.64.205 211.56.64.206 211.56.64.207 211.56.64.208 211.56.64.209 211.56.64.210 211.56.64.211 211.56.64.212 211.56.64.213 211.56.64.214 211.56.64.215 211.56.64.216 211.56.64.217 211.56.64.218 211.56.64.219 211.56.64.220 211.56.64.221 211.56.64.222 211.56.64.223 211.56.64.224 211.56.64.225 211.56.64.226 211.56.64.227 211.56.64.228 211.56.64.229 211.56.64.230 211.56.64.231 211.56.64.232 211.56.64.233 211.56.64.234 211.56.64.235 211.56.64.236 211.56.64.237 211.56.64.238 211.56.64.239 211.56.64.240 211.56.64.241 211.56.64.242 211.56.64.243 211.56.64.244 211.56.64.245 211.56.64.246 211.56.64.247 211.56.64.248 211.56.64.249 211.56.64.250 211.56.64.251 211.56.64.252 211.56.64.253 211.56.64.254 211.56.64.255 + 16.1K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
211.56.64.0/18
Origin AS
AS4766
Announcement samples
8,598
Last seen
2026-07-23 09:41:30

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation — KR

Frequently Asked Questions

What is 211.56.64.0/18?

211.56.64.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 211.56.64.0 to 211.56.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 211.56.64.0/18 network?

The 211.56.64.0/18 range is allocated to an unknown organization from South Korea.

Last updated: 2026-07-23 10:10:33 UTC
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