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CIDR Range

113.31.176.0/20

4.1K IPs /20 China Telecom Group AS4811 China APNIC
Addresses
4,096
4.1K
IP Range
113.31.176.0
→ 113.31.191.255
Sub-ranges
5+
within this block
PTR Density
0.2%
7 of 4.1K 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.

69/100
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 113.31.176.0/20

CIDRIPsOrganizationASNCountry
113.31.176.0/21 2.0K China Telecom Group AS4811 CN
113.31.188.0/22 1.0K China Telecom Group AS4811 CN
113.31.186.0/23 512 China Telecom Group AS4811 CN
113.31.184.0/24 256 China Telecom Group AS4811 CN
113.31.185.0/24 256 China Telecom Group AS4811 CN

First 256 of 4,096 IP addresses in 113.31.176.0/20

113.31.176.0 113.31.176.1 113.31.176.2 113.31.176.3 113.31.176.4 113.31.176.5 113.31.176.6 113.31.176.7 113.31.176.8 113.31.176.9 113.31.176.10 113.31.176.11 113.31.176.12 113.31.176.13 113.31.176.14 113.31.176.15 113.31.176.16 113.31.176.17 113.31.176.18 113.31.176.19 113.31.176.20 113.31.176.21 113.31.176.22 113.31.176.23 113.31.176.24 113.31.176.25 113.31.176.26 113.31.176.27 113.31.176.28 113.31.176.29 113.31.176.30 113.31.176.31 113.31.176.32 113.31.176.33 113.31.176.34 113.31.176.35 113.31.176.36 113.31.176.37 113.31.176.38 113.31.176.39 113.31.176.40 113.31.176.41 113.31.176.42 113.31.176.43 113.31.176.44 113.31.176.45 113.31.176.46 113.31.176.47 113.31.176.48 113.31.176.49 113.31.176.50 113.31.176.51 113.31.176.52 113.31.176.53 113.31.176.54 113.31.176.55 113.31.176.56 113.31.176.57 113.31.176.58 113.31.176.59 113.31.176.60 113.31.176.61 113.31.176.62 113.31.176.63 113.31.176.64 113.31.176.65 113.31.176.66 113.31.176.67 113.31.176.68 113.31.176.69 113.31.176.70 113.31.176.71 113.31.176.72 113.31.176.73 113.31.176.74 113.31.176.75 113.31.176.76 113.31.176.77 113.31.176.78 113.31.176.79 113.31.176.80 113.31.176.81 113.31.176.82 113.31.176.83 113.31.176.84 113.31.176.85 113.31.176.86 113.31.176.87 113.31.176.88 113.31.176.89 113.31.176.90 113.31.176.91 113.31.176.92 113.31.176.93 113.31.176.94 113.31.176.95 113.31.176.96 113.31.176.97 113.31.176.98 113.31.176.99 113.31.176.100 113.31.176.101 113.31.176.102 113.31.176.103 113.31.176.104 113.31.176.105 113.31.176.106 113.31.176.107 113.31.176.108 113.31.176.109 113.31.176.110 113.31.176.111 113.31.176.112 113.31.176.113 113.31.176.114 113.31.176.115 113.31.176.116 113.31.176.117 113.31.176.118 113.31.176.119 113.31.176.120 113.31.176.121 113.31.176.122 113.31.176.123 113.31.176.124 113.31.176.125 113.31.176.126 113.31.176.127 113.31.176.128 113.31.176.129 113.31.176.130 113.31.176.131 113.31.176.132 113.31.176.133 113.31.176.134 113.31.176.135 113.31.176.136 113.31.176.137 113.31.176.138 113.31.176.139 113.31.176.140 113.31.176.141 113.31.176.142 113.31.176.143 113.31.176.144 113.31.176.145 113.31.176.146 113.31.176.147 113.31.176.148 113.31.176.149 113.31.176.150 113.31.176.151 113.31.176.152 113.31.176.153 113.31.176.154 113.31.176.155 113.31.176.156 113.31.176.157 113.31.176.158 113.31.176.159 113.31.176.160 113.31.176.161 113.31.176.162 113.31.176.163 113.31.176.164 113.31.176.165 113.31.176.166 113.31.176.167 113.31.176.168 113.31.176.169 113.31.176.170 113.31.176.171 113.31.176.172 113.31.176.173 113.31.176.174 113.31.176.175 113.31.176.176 113.31.176.177 113.31.176.178 113.31.176.179 113.31.176.180 113.31.176.181 113.31.176.182 113.31.176.183 113.31.176.184 113.31.176.185 113.31.176.186 113.31.176.187 113.31.176.188 113.31.176.189 113.31.176.190 113.31.176.191 113.31.176.192 113.31.176.193 113.31.176.194 113.31.176.195 113.31.176.196 113.31.176.197 113.31.176.198 113.31.176.199 113.31.176.200 113.31.176.201 113.31.176.202 113.31.176.203 113.31.176.204 113.31.176.205 113.31.176.206 113.31.176.207 113.31.176.208 113.31.176.209 113.31.176.210 113.31.176.211 113.31.176.212 113.31.176.213 113.31.176.214 113.31.176.215 113.31.176.216 113.31.176.217 113.31.176.218 113.31.176.219 113.31.176.220 113.31.176.221 113.31.176.222 113.31.176.223 113.31.176.224 113.31.176.225 113.31.176.226 113.31.176.227 113.31.176.228 113.31.176.229 113.31.176.230 113.31.176.231 113.31.176.232 113.31.176.233 113.31.176.234 113.31.176.235 113.31.176.236 113.31.176.237 113.31.176.238 113.31.176.239 113.31.176.240 113.31.176.241 113.31.176.242 113.31.176.243 113.31.176.244 113.31.176.245 113.31.176.246 113.31.176.247 113.31.176.248 113.31.176.249 113.31.176.250 113.31.176.251 113.31.176.252 113.31.176.253 113.31.176.254 113.31.176.255 + 3.8K 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
113.31.176.0/20
Origin AS
AS4811
⚠ 2 origins (MOAS)
Announcement samples
19,339
Last seen
2026-07-24 12:54:24
Origins seen: AS4811 · 19,339 AS17621 · 2,014

Frequently Asked Questions

What is 113.31.176.0/20?

113.31.176.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 113.31.176.0 to 113.31.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 113.31.176.0/20 network?

The 113.31.176.0/20 range is allocated to China Telecom Group and announced via AS4811 from China.

Last updated: 2026-07-24 13:10:31 UTC
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