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CIDR Range

183.55.0.0/17

32.8K IPs /17 CHINATELECOM Guangdong province Shanwei 5G network AS140320 China APNIC
Addresses
32,768
32.8K
IP Range
183.55.0.0
→ 183.55.127.255
Sub-ranges
13+
within this block
PTR Density
0.0%
0 of 32.8K 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.

73/100
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 183.55.0.0/17

CIDRIPsOrganizationASNCountry
183.55.0.0/18 16.4K Chinanet AS4134 CN
183.55.96.0/19 8.2K Chinanet AS4134 CN
183.55.72.0/21 2.0K Chinanet AS4134 CN
183.55.80.0/22 1.0K Chinanet AS4134 CN
183.55.92.0/22 1.0K Chinanet AS4134 CN
183.55.68.0/22 1.0K Chinanet AS4134 CN
183.55.90.0/23 512 Chinanet AS4134 CN
183.55.88.0/23 512 CHINATELECOM Guangdong province Shanwei 5G network AS140320 CN
183.55.86.0/23 512 CHINATELECOM Guangdong province Shanwei 5G network AS140320 CN
183.55.84.0/23 512 Chinanet AS4134 CN
183.55.66.0/23 512 Chinanet AS4134 CN
183.55.64.0/24 256 Chinanet AS4134 CN
183.55.65.0/24 256 CHINATELECOM Guangdong province Shanwei 5G network AS140320 CN

Geolocation

First 256 of 32,768 IP addresses in 183.55.0.0/17

183.55.0.0 183.55.0.1 183.55.0.2 183.55.0.3 183.55.0.4 183.55.0.5 183.55.0.6 183.55.0.7 183.55.0.8 183.55.0.9 183.55.0.10 183.55.0.11 183.55.0.12 183.55.0.13 183.55.0.14 183.55.0.15 183.55.0.16 183.55.0.17 183.55.0.18 183.55.0.19 183.55.0.20 183.55.0.21 183.55.0.22 183.55.0.23 183.55.0.24 183.55.0.25 183.55.0.26 183.55.0.27 183.55.0.28 183.55.0.29 183.55.0.30 183.55.0.31 183.55.0.32 183.55.0.33 183.55.0.34 183.55.0.35 183.55.0.36 183.55.0.37 183.55.0.38 183.55.0.39 183.55.0.40 183.55.0.41 183.55.0.42 183.55.0.43 183.55.0.44 183.55.0.45 183.55.0.46 183.55.0.47 183.55.0.48 183.55.0.49 183.55.0.50 183.55.0.51 183.55.0.52 183.55.0.53 183.55.0.54 183.55.0.55 183.55.0.56 183.55.0.57 183.55.0.58 183.55.0.59 183.55.0.60 183.55.0.61 183.55.0.62 183.55.0.63 183.55.0.64 183.55.0.65 183.55.0.66 183.55.0.67 183.55.0.68 183.55.0.69 183.55.0.70 183.55.0.71 183.55.0.72 183.55.0.73 183.55.0.74 183.55.0.75 183.55.0.76 183.55.0.77 183.55.0.78 183.55.0.79 183.55.0.80 183.55.0.81 183.55.0.82 183.55.0.83 183.55.0.84 183.55.0.85 183.55.0.86 183.55.0.87 183.55.0.88 183.55.0.89 183.55.0.90 183.55.0.91 183.55.0.92 183.55.0.93 183.55.0.94 183.55.0.95 183.55.0.96 183.55.0.97 183.55.0.98 183.55.0.99 183.55.0.100 183.55.0.101 183.55.0.102 183.55.0.103 183.55.0.104 183.55.0.105 183.55.0.106 183.55.0.107 183.55.0.108 183.55.0.109 183.55.0.110 183.55.0.111 183.55.0.112 183.55.0.113 183.55.0.114 183.55.0.115 183.55.0.116 183.55.0.117 183.55.0.118 183.55.0.119 183.55.0.120 183.55.0.121 183.55.0.122 183.55.0.123 183.55.0.124 183.55.0.125 183.55.0.126 183.55.0.127 183.55.0.128 183.55.0.129 183.55.0.130 183.55.0.131 183.55.0.132 183.55.0.133 183.55.0.134 183.55.0.135 183.55.0.136 183.55.0.137 183.55.0.138 183.55.0.139 183.55.0.140 183.55.0.141 183.55.0.142 183.55.0.143 183.55.0.144 183.55.0.145 183.55.0.146 183.55.0.147 183.55.0.148 183.55.0.149 183.55.0.150 183.55.0.151 183.55.0.152 183.55.0.153 183.55.0.154 183.55.0.155 183.55.0.156 183.55.0.157 183.55.0.158 183.55.0.159 183.55.0.160 183.55.0.161 183.55.0.162 183.55.0.163 183.55.0.164 183.55.0.165 183.55.0.166 183.55.0.167 183.55.0.168 183.55.0.169 183.55.0.170 183.55.0.171 183.55.0.172 183.55.0.173 183.55.0.174 183.55.0.175 183.55.0.176 183.55.0.177 183.55.0.178 183.55.0.179 183.55.0.180 183.55.0.181 183.55.0.182 183.55.0.183 183.55.0.184 183.55.0.185 183.55.0.186 183.55.0.187 183.55.0.188 183.55.0.189 183.55.0.190 183.55.0.191 183.55.0.192 183.55.0.193 183.55.0.194 183.55.0.195 183.55.0.196 183.55.0.197 183.55.0.198 183.55.0.199 183.55.0.200 183.55.0.201 183.55.0.202 183.55.0.203 183.55.0.204 183.55.0.205 183.55.0.206 183.55.0.207 183.55.0.208 183.55.0.209 183.55.0.210 183.55.0.211 183.55.0.212 183.55.0.213 183.55.0.214 183.55.0.215 183.55.0.216 183.55.0.217 183.55.0.218 183.55.0.219 183.55.0.220 183.55.0.221 183.55.0.222 183.55.0.223 183.55.0.224 183.55.0.225 183.55.0.226 183.55.0.227 183.55.0.228 183.55.0.229 183.55.0.230 183.55.0.231 183.55.0.232 183.55.0.233 183.55.0.234 183.55.0.235 183.55.0.236 183.55.0.237 183.55.0.238 183.55.0.239 183.55.0.240 183.55.0.241 183.55.0.242 183.55.0.243 183.55.0.244 183.55.0.245 183.55.0.246 183.55.0.247 183.55.0.248 183.55.0.249 183.55.0.250 183.55.0.251 183.55.0.252 183.55.0.253 183.55.0.254 183.55.0.255 + 32.5K 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
183.55.0.0/17
Origin AS
AS140320
Announcement samples
6,731
Last seen
2026-07-24 16:29:29

Frequently Asked Questions

What is 183.55.0.0/17?

183.55.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 183.55.0.0 to 183.55.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 183.55.0.0/17 network?

The 183.55.0.0/17 range is allocated to CHINATELECOM Guangdong province Shanwei 5G network and announced via AS140320 from China.

Last updated: 2026-07-24 16:55:31 UTC
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