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CIDR Range

36.103.0.0/16

65.5K IPs /16 China APNIC
Addresses
65,536
65.5K
IP Range
36.103.0.0
→ 36.103.255.255
Sub-ranges
19+
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 36.103.0.0/16

CIDRIPsOrganizationASNCountry
36.103.128.0/17 32.8K — — CN
36.103.0.0/17 32.8K Chinanet AS4134 CN
36.103.0.0/17 32.8K — — CN
36.103.128.0/17 32.8K CHINANET NINGXIA province ZHONGWEI IDC network AS134761 CN
36.103.128.0/17 32.8K CHINANET NINGXIA province ZHONGWEI IDC network AS134761 CN
36.103.0.0/18 16.4K Chinanet AS4134 CN
36.103.192.0/18 16.4K — — CN
36.103.0.0/18 16.4K Chinanet AS4134 CN
36.103.64.0/19 8.2K Chinanet AS4134 CN
36.103.64.0/19 8.2K Chinanet AS4134 CN
36.103.128.0/19 8.2K — — CN
36.103.176.0/20 4.1K — — CN
36.103.160.0/20 4.1K — — CN
36.103.96.0/20 4.1K Chinanet AS4134 CN
36.103.96.0/20 4.1K Chinanet AS4134 CN
36.103.120.0/21 2.0K CHINANET NINGXIA province ZHONGWEI IDC network AS134761 CN
36.103.120.0/21 2.0K CHINANET NINGXIA province ZHONGWEI IDC network AS134761 CN
36.103.112.0/21 2.0K Chinanet AS4134 CN
36.103.112.0/21 2.0K Chinanet AS4134 CN

Geolocation

First 256 of 65,536 IP addresses in 36.103.0.0/16

36.103.0.0 36.103.0.1 36.103.0.2 36.103.0.3 36.103.0.4 36.103.0.5 36.103.0.6 36.103.0.7 36.103.0.8 36.103.0.9 36.103.0.10 36.103.0.11 36.103.0.12 36.103.0.13 36.103.0.14 36.103.0.15 36.103.0.16 36.103.0.17 36.103.0.18 36.103.0.19 36.103.0.20 36.103.0.21 36.103.0.22 36.103.0.23 36.103.0.24 36.103.0.25 36.103.0.26 36.103.0.27 36.103.0.28 36.103.0.29 36.103.0.30 36.103.0.31 36.103.0.32 36.103.0.33 36.103.0.34 36.103.0.35 36.103.0.36 36.103.0.37 36.103.0.38 36.103.0.39 36.103.0.40 36.103.0.41 36.103.0.42 36.103.0.43 36.103.0.44 36.103.0.45 36.103.0.46 36.103.0.47 36.103.0.48 36.103.0.49 36.103.0.50 36.103.0.51 36.103.0.52 36.103.0.53 36.103.0.54 36.103.0.55 36.103.0.56 36.103.0.57 36.103.0.58 36.103.0.59 36.103.0.60 36.103.0.61 36.103.0.62 36.103.0.63 36.103.0.64 36.103.0.65 36.103.0.66 36.103.0.67 36.103.0.68 36.103.0.69 36.103.0.70 36.103.0.71 36.103.0.72 36.103.0.73 36.103.0.74 36.103.0.75 36.103.0.76 36.103.0.77 36.103.0.78 36.103.0.79 36.103.0.80 36.103.0.81 36.103.0.82 36.103.0.83 36.103.0.84 36.103.0.85 36.103.0.86 36.103.0.87 36.103.0.88 36.103.0.89 36.103.0.90 36.103.0.91 36.103.0.92 36.103.0.93 36.103.0.94 36.103.0.95 36.103.0.96 36.103.0.97 36.103.0.98 36.103.0.99 36.103.0.100 36.103.0.101 36.103.0.102 36.103.0.103 36.103.0.104 36.103.0.105 36.103.0.106 36.103.0.107 36.103.0.108 36.103.0.109 36.103.0.110 36.103.0.111 36.103.0.112 36.103.0.113 36.103.0.114 36.103.0.115 36.103.0.116 36.103.0.117 36.103.0.118 36.103.0.119 36.103.0.120 36.103.0.121 36.103.0.122 36.103.0.123 36.103.0.124 36.103.0.125 36.103.0.126 36.103.0.127 36.103.0.128 36.103.0.129 36.103.0.130 36.103.0.131 36.103.0.132 36.103.0.133 36.103.0.134 36.103.0.135 36.103.0.136 36.103.0.137 36.103.0.138 36.103.0.139 36.103.0.140 36.103.0.141 36.103.0.142 36.103.0.143 36.103.0.144 36.103.0.145 36.103.0.146 36.103.0.147 36.103.0.148 36.103.0.149 36.103.0.150 36.103.0.151 36.103.0.152 36.103.0.153 36.103.0.154 36.103.0.155 36.103.0.156 36.103.0.157 36.103.0.158 36.103.0.159 36.103.0.160 36.103.0.161 36.103.0.162 36.103.0.163 36.103.0.164 36.103.0.165 36.103.0.166 36.103.0.167 36.103.0.168 36.103.0.169 36.103.0.170 36.103.0.171 36.103.0.172 36.103.0.173 36.103.0.174 36.103.0.175 36.103.0.176 36.103.0.177 36.103.0.178 36.103.0.179 36.103.0.180 36.103.0.181 36.103.0.182 36.103.0.183 36.103.0.184 36.103.0.185 36.103.0.186 36.103.0.187 36.103.0.188 36.103.0.189 36.103.0.190 36.103.0.191 36.103.0.192 36.103.0.193 36.103.0.194 36.103.0.195 36.103.0.196 36.103.0.197 36.103.0.198 36.103.0.199 36.103.0.200 36.103.0.201 36.103.0.202 36.103.0.203 36.103.0.204 36.103.0.205 36.103.0.206 36.103.0.207 36.103.0.208 36.103.0.209 36.103.0.210 36.103.0.211 36.103.0.212 36.103.0.213 36.103.0.214 36.103.0.215 36.103.0.216 36.103.0.217 36.103.0.218 36.103.0.219 36.103.0.220 36.103.0.221 36.103.0.222 36.103.0.223 36.103.0.224 36.103.0.225 36.103.0.226 36.103.0.227 36.103.0.228 36.103.0.229 36.103.0.230 36.103.0.231 36.103.0.232 36.103.0.233 36.103.0.234 36.103.0.235 36.103.0.236 36.103.0.237 36.103.0.238 36.103.0.239 36.103.0.240 36.103.0.241 36.103.0.242 36.103.0.243 36.103.0.244 36.103.0.245 36.103.0.246 36.103.0.247 36.103.0.248 36.103.0.249 36.103.0.250 36.103.0.251 36.103.0.252 36.103.0.253 36.103.0.254 36.103.0.255 + 65.3K 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
36.103.0.0/16
Origin AS
AS4134
Announcement samples
16,896
Last seen
2026-07-25 03:03:57

Frequently Asked Questions

What is 36.103.0.0/16?

36.103.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 36.103.0.0 to 36.103.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 36.103.0.0/16 network?

The 36.103.0.0/16 range is allocated to an unknown organization from China.

Last updated: 2026-07-25 04:25:31 UTC
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