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CIDR Range

188.220.138.0/23

512 IPs /23 Korea Telecom AS4766 South Korea RIPE
Addresses
512
512
IP Range
188.220.138.0
→ 188.220.139.255
Sub-ranges
8+
within this block
PTR Density
0.0%
0 of 512 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.

71/100
Moderate
How this score is built

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

Ranges inside 188.220.138.0/23

CIDRIPsOrganizationASNCountry
188.220.138.0/24 256 Lumina broadband UAB AS215294 KR
188.220.138.0/24 256 Lumina broadband UAB AS215294 GB
188.220.138.0/24 256 Korea Telecom AS4766 GB
188.220.138.0/24 256 Korea Telecom AS4766 KR
188.220.139.0/24 256 AppFabric LLC AS219105 KR
188.220.139.0/24 256 AppFabric LLC AS219105 GB
188.220.139.0/24 256 Korea Telecom AS4766 GB
188.220.139.0/24 256 Korea Telecom AS4766 GB

Geolocation

First 256 of 512 IP addresses in 188.220.138.0/23

188.220.138.0 188.220.138.1 188.220.138.2 188.220.138.3 188.220.138.4 188.220.138.5 188.220.138.6 188.220.138.7 188.220.138.8 188.220.138.9 188.220.138.10 188.220.138.11 188.220.138.12 188.220.138.13 188.220.138.14 188.220.138.15 188.220.138.16 188.220.138.17 188.220.138.18 188.220.138.19 188.220.138.20 188.220.138.21 188.220.138.22 188.220.138.23 188.220.138.24 188.220.138.25 188.220.138.26 188.220.138.27 188.220.138.28 188.220.138.29 188.220.138.30 188.220.138.31 188.220.138.32 188.220.138.33 188.220.138.34 188.220.138.35 188.220.138.36 188.220.138.37 188.220.138.38 188.220.138.39 188.220.138.40 188.220.138.41 188.220.138.42 188.220.138.43 188.220.138.44 188.220.138.45 188.220.138.46 188.220.138.47 188.220.138.48 188.220.138.49 188.220.138.50 188.220.138.51 188.220.138.52 188.220.138.53 188.220.138.54 188.220.138.55 188.220.138.56 188.220.138.57 188.220.138.58 188.220.138.59 188.220.138.60 188.220.138.61 188.220.138.62 188.220.138.63 188.220.138.64 188.220.138.65 188.220.138.66 188.220.138.67 188.220.138.68 188.220.138.69 188.220.138.70 188.220.138.71 188.220.138.72 188.220.138.73 188.220.138.74 188.220.138.75 188.220.138.76 188.220.138.77 188.220.138.78 188.220.138.79 188.220.138.80 188.220.138.81 188.220.138.82 188.220.138.83 188.220.138.84 188.220.138.85 188.220.138.86 188.220.138.87 188.220.138.88 188.220.138.89 188.220.138.90 188.220.138.91 188.220.138.92 188.220.138.93 188.220.138.94 188.220.138.95 188.220.138.96 188.220.138.97 188.220.138.98 188.220.138.99 188.220.138.100 188.220.138.101 188.220.138.102 188.220.138.103 188.220.138.104 188.220.138.105 188.220.138.106 188.220.138.107 188.220.138.108 188.220.138.109 188.220.138.110 188.220.138.111 188.220.138.112 188.220.138.113 188.220.138.114 188.220.138.115 188.220.138.116 188.220.138.117 188.220.138.118 188.220.138.119 188.220.138.120 188.220.138.121 188.220.138.122 188.220.138.123 188.220.138.124 188.220.138.125 188.220.138.126 188.220.138.127 188.220.138.128 188.220.138.129 188.220.138.130 188.220.138.131 188.220.138.132 188.220.138.133 188.220.138.134 188.220.138.135 188.220.138.136 188.220.138.137 188.220.138.138 188.220.138.139 188.220.138.140 188.220.138.141 188.220.138.142 188.220.138.143 188.220.138.144 188.220.138.145 188.220.138.146 188.220.138.147 188.220.138.148 188.220.138.149 188.220.138.150 188.220.138.151 188.220.138.152 188.220.138.153 188.220.138.154 188.220.138.155 188.220.138.156 188.220.138.157 188.220.138.158 188.220.138.159 188.220.138.160 188.220.138.161 188.220.138.162 188.220.138.163 188.220.138.164 188.220.138.165 188.220.138.166 188.220.138.167 188.220.138.168 188.220.138.169 188.220.138.170 188.220.138.171 188.220.138.172 188.220.138.173 188.220.138.174 188.220.138.175 188.220.138.176 188.220.138.177 188.220.138.178 188.220.138.179 188.220.138.180 188.220.138.181 188.220.138.182 188.220.138.183 188.220.138.184 188.220.138.185 188.220.138.186 188.220.138.187 188.220.138.188 188.220.138.189 188.220.138.190 188.220.138.191 188.220.138.192 188.220.138.193 188.220.138.194 188.220.138.195 188.220.138.196 188.220.138.197 188.220.138.198 188.220.138.199 188.220.138.200 188.220.138.201 188.220.138.202 188.220.138.203 188.220.138.204 188.220.138.205 188.220.138.206 188.220.138.207 188.220.138.208 188.220.138.209 188.220.138.210 188.220.138.211 188.220.138.212 188.220.138.213 188.220.138.214 188.220.138.215 188.220.138.216 188.220.138.217 188.220.138.218 188.220.138.219 188.220.138.220 188.220.138.221 188.220.138.222 188.220.138.223 188.220.138.224 188.220.138.225 188.220.138.226 188.220.138.227 188.220.138.228 188.220.138.229 188.220.138.230 188.220.138.231 188.220.138.232 188.220.138.233 188.220.138.234 188.220.138.235 188.220.138.236 188.220.138.237 188.220.138.238 188.220.138.239 188.220.138.240 188.220.138.241 188.220.138.242 188.220.138.243 188.220.138.244 188.220.138.245 188.220.138.246 188.220.138.247 188.220.138.248 188.220.138.249 188.220.138.250 188.220.138.251 188.220.138.252 188.220.138.253 188.220.138.254 188.220.138.255 + 256 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
188.220.138.0/23
Origin AS
AS4766
Announcement samples
7,453
Last seen
2026-07-31 22:10:37

Frequently Asked Questions

What is 188.220.138.0/23?

188.220.138.0/23 is a CIDR network block containing 512 IPv4 addresses (from 188.220.138.0 to 188.220.139.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 188.220.138.0/23 network?

The 188.220.138.0/23 range is allocated to Korea Telecom and announced via AS4766 from South Korea.

Last updated: 2026-08-30 10:09:06 UTC
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