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CIDR Range

119.81.144.0/21

2.0K IPs /21 IBM Cloud AS36351 Hong Kong APNIC
Addresses
2,048
2.0K
IP Range
119.81.144.0
→ 119.81.151.255
Sub-ranges
0+
within this block
PTR Density
100.0%
2.0K of 2.0K 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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First 256 of 2,048 IP addresses in 119.81.144.0/21

119.81.144.0 119.81.144.1 119.81.144.2 119.81.144.3 119.81.144.4 119.81.144.5 119.81.144.6 119.81.144.7 119.81.144.8 119.81.144.9 119.81.144.10 119.81.144.11 119.81.144.12 119.81.144.13 119.81.144.14 119.81.144.15 119.81.144.16 119.81.144.17 119.81.144.18 119.81.144.19 119.81.144.20 119.81.144.21 119.81.144.22 119.81.144.23 119.81.144.24 119.81.144.25 119.81.144.26 119.81.144.27 119.81.144.28 119.81.144.29 119.81.144.30 119.81.144.31 119.81.144.32 119.81.144.33 119.81.144.34 119.81.144.35 119.81.144.36 119.81.144.37 119.81.144.38 119.81.144.39 119.81.144.40 119.81.144.41 119.81.144.42 119.81.144.43 119.81.144.44 119.81.144.45 119.81.144.46 119.81.144.47 119.81.144.48 119.81.144.49 119.81.144.50 119.81.144.51 119.81.144.52 119.81.144.53 119.81.144.54 119.81.144.55 119.81.144.56 119.81.144.57 119.81.144.58 119.81.144.59 119.81.144.60 119.81.144.61 119.81.144.62 119.81.144.63 119.81.144.64 119.81.144.65 119.81.144.66 119.81.144.67 119.81.144.68 119.81.144.69 119.81.144.70 119.81.144.71 119.81.144.72 119.81.144.73 119.81.144.74 119.81.144.75 119.81.144.76 119.81.144.77 119.81.144.78 119.81.144.79 119.81.144.80 119.81.144.81 119.81.144.82 119.81.144.83 119.81.144.84 119.81.144.85 119.81.144.86 119.81.144.87 119.81.144.88 119.81.144.89 119.81.144.90 119.81.144.91 119.81.144.92 119.81.144.93 119.81.144.94 119.81.144.95 119.81.144.96 119.81.144.97 119.81.144.98 119.81.144.99 119.81.144.100 119.81.144.101 119.81.144.102 119.81.144.103 119.81.144.104 119.81.144.105 119.81.144.106 119.81.144.107 119.81.144.108 119.81.144.109 119.81.144.110 119.81.144.111 119.81.144.112 119.81.144.113 119.81.144.114 119.81.144.115 119.81.144.116 119.81.144.117 119.81.144.118 119.81.144.119 119.81.144.120 119.81.144.121 119.81.144.122 119.81.144.123 119.81.144.124 119.81.144.125 119.81.144.126 119.81.144.127 119.81.144.128 119.81.144.129 119.81.144.130 119.81.144.131 119.81.144.132 119.81.144.133 119.81.144.134 119.81.144.135 119.81.144.136 119.81.144.137 119.81.144.138 119.81.144.139 119.81.144.140 119.81.144.141 119.81.144.142 119.81.144.143 119.81.144.144 119.81.144.145 119.81.144.146 119.81.144.147 119.81.144.148 119.81.144.149 119.81.144.150 119.81.144.151 119.81.144.152 119.81.144.153 119.81.144.154 119.81.144.155 119.81.144.156 119.81.144.157 119.81.144.158 119.81.144.159 119.81.144.160 119.81.144.161 119.81.144.162 119.81.144.163 119.81.144.164 119.81.144.165 119.81.144.166 119.81.144.167 119.81.144.168 119.81.144.169 119.81.144.170 119.81.144.171 119.81.144.172 119.81.144.173 119.81.144.174 119.81.144.175 119.81.144.176 119.81.144.177 119.81.144.178 119.81.144.179 119.81.144.180 119.81.144.181 119.81.144.182 119.81.144.183 119.81.144.184 119.81.144.185 119.81.144.186 119.81.144.187 119.81.144.188 119.81.144.189 119.81.144.190 119.81.144.191 119.81.144.192 119.81.144.193 119.81.144.194 119.81.144.195 119.81.144.196 119.81.144.197 119.81.144.198 119.81.144.199 119.81.144.200 119.81.144.201 119.81.144.202 119.81.144.203 119.81.144.204 119.81.144.205 119.81.144.206 119.81.144.207 119.81.144.208 119.81.144.209 119.81.144.210 119.81.144.211 119.81.144.212 119.81.144.213 119.81.144.214 119.81.144.215 119.81.144.216 119.81.144.217 119.81.144.218 119.81.144.219 119.81.144.220 119.81.144.221 119.81.144.222 119.81.144.223 119.81.144.224 119.81.144.225 119.81.144.226 119.81.144.227 119.81.144.228 119.81.144.229 119.81.144.230 119.81.144.231 119.81.144.232 119.81.144.233 119.81.144.234 119.81.144.235 119.81.144.236 119.81.144.237 119.81.144.238 119.81.144.239 119.81.144.240 119.81.144.241 119.81.144.242 119.81.144.243 119.81.144.244 119.81.144.245 119.81.144.246 119.81.144.247 119.81.144.248 119.81.144.249 119.81.144.250 119.81.144.251 119.81.144.252 119.81.144.253 119.81.144.254 119.81.144.255 + 1.8K 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
119.81.144.0/21
Origin AS
AS36351
Announcement samples
112,655
Last seen
2026-07-18 10:54:41

Frequently Asked Questions

What is 119.81.144.0/21?

119.81.144.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 119.81.144.0 to 119.81.151.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 119.81.144.0/21 network?

The 119.81.144.0/21 range is allocated to IBM Cloud and announced via AS36351 from Hong Kong.

Last updated: 2026-07-18 11:40:32 UTC
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