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CIDR Range

111.123.0.0/16

65.5K IPs /16 China APNIC
Addresses
65,536
65.5K
IP Range
111.123.0.0
→ 111.123.255.255
Sub-ranges
20+
within this block
PTR Density
0.0%
0 of 65.5K 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 111.123.0.0/16

CIDRIPsOrganizationASNCountry
111.123.128.0/17 32.8K Chinanet AS4134 CN
111.123.128.0/17 32.8K Chinanet AS4134 CN
111.123.64.0/18 16.4K Chinanet AS4134 CN
111.123.64.0/18 16.4K Chinanet AS4134 CN
111.123.0.0/19 8.2K Chinanet AS4134 CN
111.123.0.0/19 8.2K Chinanet AS4134 CN
111.123.40.0/21 2.0K CHINANET Guizhou Yilong IDC AS139462 CN
111.123.32.0/21 2.0K Chinanet AS4134 CN
111.123.40.0/21 2.0K CHINANET Guizhou Yilong IDC AS139462 CN
111.123.32.0/21 2.0K Chinanet AS4134 CN
111.123.56.0/21 2.0K Guizhou GuiAn IDC AS139203 CN
111.123.56.0/21 2.0K Guizhou GuiAn IDC AS139203 CN
111.123.48.0/22 1.0K Chinanet AS4134 CN
111.123.48.0/22 1.0K Chinanet AS4134 CN
111.123.54.0/23 512 Guizhou GuiAn IDC AS139203 CN
111.123.54.0/23 512 Guizhou GuiAn IDC AS139203 CN
111.123.53.0/24 256 Guizhou GuiAn IDC AS139203 CN
111.123.52.0/24 256 Chinanet AS4134 CN
111.123.52.0/24 256 Chinanet AS4134 CN
111.123.53.0/24 256 Guizhou GuiAn IDC AS139203 CN

Geolocation

First 256 of 65,536 IP addresses in 111.123.0.0/16

111.123.0.0 111.123.0.1 111.123.0.2 111.123.0.3 111.123.0.4 111.123.0.5 111.123.0.6 111.123.0.7 111.123.0.8 111.123.0.9 111.123.0.10 111.123.0.11 111.123.0.12 111.123.0.13 111.123.0.14 111.123.0.15 111.123.0.16 111.123.0.17 111.123.0.18 111.123.0.19 111.123.0.20 111.123.0.21 111.123.0.22 111.123.0.23 111.123.0.24 111.123.0.25 111.123.0.26 111.123.0.27 111.123.0.28 111.123.0.29 111.123.0.30 111.123.0.31 111.123.0.32 111.123.0.33 111.123.0.34 111.123.0.35 111.123.0.36 111.123.0.37 111.123.0.38 111.123.0.39 111.123.0.40 111.123.0.41 111.123.0.42 111.123.0.43 111.123.0.44 111.123.0.45 111.123.0.46 111.123.0.47 111.123.0.48 111.123.0.49 111.123.0.50 111.123.0.51 111.123.0.52 111.123.0.53 111.123.0.54 111.123.0.55 111.123.0.56 111.123.0.57 111.123.0.58 111.123.0.59 111.123.0.60 111.123.0.61 111.123.0.62 111.123.0.63 111.123.0.64 111.123.0.65 111.123.0.66 111.123.0.67 111.123.0.68 111.123.0.69 111.123.0.70 111.123.0.71 111.123.0.72 111.123.0.73 111.123.0.74 111.123.0.75 111.123.0.76 111.123.0.77 111.123.0.78 111.123.0.79 111.123.0.80 111.123.0.81 111.123.0.82 111.123.0.83 111.123.0.84 111.123.0.85 111.123.0.86 111.123.0.87 111.123.0.88 111.123.0.89 111.123.0.90 111.123.0.91 111.123.0.92 111.123.0.93 111.123.0.94 111.123.0.95 111.123.0.96 111.123.0.97 111.123.0.98 111.123.0.99 111.123.0.100 111.123.0.101 111.123.0.102 111.123.0.103 111.123.0.104 111.123.0.105 111.123.0.106 111.123.0.107 111.123.0.108 111.123.0.109 111.123.0.110 111.123.0.111 111.123.0.112 111.123.0.113 111.123.0.114 111.123.0.115 111.123.0.116 111.123.0.117 111.123.0.118 111.123.0.119 111.123.0.120 111.123.0.121 111.123.0.122 111.123.0.123 111.123.0.124 111.123.0.125 111.123.0.126 111.123.0.127 111.123.0.128 111.123.0.129 111.123.0.130 111.123.0.131 111.123.0.132 111.123.0.133 111.123.0.134 111.123.0.135 111.123.0.136 111.123.0.137 111.123.0.138 111.123.0.139 111.123.0.140 111.123.0.141 111.123.0.142 111.123.0.143 111.123.0.144 111.123.0.145 111.123.0.146 111.123.0.147 111.123.0.148 111.123.0.149 111.123.0.150 111.123.0.151 111.123.0.152 111.123.0.153 111.123.0.154 111.123.0.155 111.123.0.156 111.123.0.157 111.123.0.158 111.123.0.159 111.123.0.160 111.123.0.161 111.123.0.162 111.123.0.163 111.123.0.164 111.123.0.165 111.123.0.166 111.123.0.167 111.123.0.168 111.123.0.169 111.123.0.170 111.123.0.171 111.123.0.172 111.123.0.173 111.123.0.174 111.123.0.175 111.123.0.176 111.123.0.177 111.123.0.178 111.123.0.179 111.123.0.180 111.123.0.181 111.123.0.182 111.123.0.183 111.123.0.184 111.123.0.185 111.123.0.186 111.123.0.187 111.123.0.188 111.123.0.189 111.123.0.190 111.123.0.191 111.123.0.192 111.123.0.193 111.123.0.194 111.123.0.195 111.123.0.196 111.123.0.197 111.123.0.198 111.123.0.199 111.123.0.200 111.123.0.201 111.123.0.202 111.123.0.203 111.123.0.204 111.123.0.205 111.123.0.206 111.123.0.207 111.123.0.208 111.123.0.209 111.123.0.210 111.123.0.211 111.123.0.212 111.123.0.213 111.123.0.214 111.123.0.215 111.123.0.216 111.123.0.217 111.123.0.218 111.123.0.219 111.123.0.220 111.123.0.221 111.123.0.222 111.123.0.223 111.123.0.224 111.123.0.225 111.123.0.226 111.123.0.227 111.123.0.228 111.123.0.229 111.123.0.230 111.123.0.231 111.123.0.232 111.123.0.233 111.123.0.234 111.123.0.235 111.123.0.236 111.123.0.237 111.123.0.238 111.123.0.239 111.123.0.240 111.123.0.241 111.123.0.242 111.123.0.243 111.123.0.244 111.123.0.245 111.123.0.246 111.123.0.247 111.123.0.248 111.123.0.249 111.123.0.250 111.123.0.251 111.123.0.252 111.123.0.253 111.123.0.254 111.123.0.255 + 65.3K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 111.120.0.0/14.

Announced prefix
111.120.0.0/14
Origin AS
AS4134
Announcement samples
18,193
Last seen
2026-07-29 07:34:07

Frequently Asked Questions

What is 111.123.0.0/16?

111.123.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 111.123.0.0 to 111.123.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 111.123.0.0/16 network?

The 111.123.0.0/16 range is allocated to an unknown organization from China.

Last updated: 2026-07-29 07:55:33 UTC
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