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CIDR Range

171.251.232.0/22

1.0K IPs /22 Viettel Group AS7552 Vietnam APNIC
Addresses
1,024
1.0K
IP Range
171.251.232.0
→ 171.251.235.255
Sub-ranges
4+
within this block
PTR Density
100.0%
1.0K of 1.0K 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 171.251.232.0/22

CIDRIPsOrganizationASNCountry
171.251.234.0/23 512 Viettel Group AS7552 VN
171.251.232.0/24 256 Viettel Group AS7552 VN
171.251.233.0/25 128 Viettel Group AS7552 VN
171.251.233.128/25 128 Viettel Group AS7552 VN

Geolocation

First 256 of 1,024 IP addresses in 171.251.232.0/22

171.251.232.0 171.251.232.1 171.251.232.2 171.251.232.3 171.251.232.4 171.251.232.5 171.251.232.6 171.251.232.7 171.251.232.8 171.251.232.9 171.251.232.10 171.251.232.11 171.251.232.12 171.251.232.13 171.251.232.14 171.251.232.15 171.251.232.16 171.251.232.17 171.251.232.18 171.251.232.19 171.251.232.20 171.251.232.21 171.251.232.22 171.251.232.23 171.251.232.24 171.251.232.25 171.251.232.26 171.251.232.27 171.251.232.28 171.251.232.29 171.251.232.30 171.251.232.31 171.251.232.32 171.251.232.33 171.251.232.34 171.251.232.35 171.251.232.36 171.251.232.37 171.251.232.38 171.251.232.39 171.251.232.40 171.251.232.41 171.251.232.42 171.251.232.43 171.251.232.44 171.251.232.45 171.251.232.46 171.251.232.47 171.251.232.48 171.251.232.49 171.251.232.50 171.251.232.51 171.251.232.52 171.251.232.53 171.251.232.54 171.251.232.55 171.251.232.56 171.251.232.57 171.251.232.58 171.251.232.59 171.251.232.60 171.251.232.61 171.251.232.62 171.251.232.63 171.251.232.64 171.251.232.65 171.251.232.66 171.251.232.67 171.251.232.68 171.251.232.69 171.251.232.70 171.251.232.71 171.251.232.72 171.251.232.73 171.251.232.74 171.251.232.75 171.251.232.76 171.251.232.77 171.251.232.78 171.251.232.79 171.251.232.80 171.251.232.81 171.251.232.82 171.251.232.83 171.251.232.84 171.251.232.85 171.251.232.86 171.251.232.87 171.251.232.88 171.251.232.89 171.251.232.90 171.251.232.91 171.251.232.92 171.251.232.93 171.251.232.94 171.251.232.95 171.251.232.96 171.251.232.97 171.251.232.98 171.251.232.99 171.251.232.100 171.251.232.101 171.251.232.102 171.251.232.103 171.251.232.104 171.251.232.105 171.251.232.106 171.251.232.107 171.251.232.108 171.251.232.109 171.251.232.110 171.251.232.111 171.251.232.112 171.251.232.113 171.251.232.114 171.251.232.115 171.251.232.116 171.251.232.117 171.251.232.118 171.251.232.119 171.251.232.120 171.251.232.121 171.251.232.122 171.251.232.123 171.251.232.124 171.251.232.125 171.251.232.126 171.251.232.127 171.251.232.128 171.251.232.129 171.251.232.130 171.251.232.131 171.251.232.132 171.251.232.133 171.251.232.134 171.251.232.135 171.251.232.136 171.251.232.137 171.251.232.138 171.251.232.139 171.251.232.140 171.251.232.141 171.251.232.142 171.251.232.143 171.251.232.144 171.251.232.145 171.251.232.146 171.251.232.147 171.251.232.148 171.251.232.149 171.251.232.150 171.251.232.151 171.251.232.152 171.251.232.153 171.251.232.154 171.251.232.155 171.251.232.156 171.251.232.157 171.251.232.158 171.251.232.159 171.251.232.160 171.251.232.161 171.251.232.162 171.251.232.163 171.251.232.164 171.251.232.165 171.251.232.166 171.251.232.167 171.251.232.168 171.251.232.169 171.251.232.170 171.251.232.171 171.251.232.172 171.251.232.173 171.251.232.174 171.251.232.175 171.251.232.176 171.251.232.177 171.251.232.178 171.251.232.179 171.251.232.180 171.251.232.181 171.251.232.182 171.251.232.183 171.251.232.184 171.251.232.185 171.251.232.186 171.251.232.187 171.251.232.188 171.251.232.189 171.251.232.190 171.251.232.191 171.251.232.192 171.251.232.193 171.251.232.194 171.251.232.195 171.251.232.196 171.251.232.197 171.251.232.198 171.251.232.199 171.251.232.200 171.251.232.201 171.251.232.202 171.251.232.203 171.251.232.204 171.251.232.205 171.251.232.206 171.251.232.207 171.251.232.208 171.251.232.209 171.251.232.210 171.251.232.211 171.251.232.212 171.251.232.213 171.251.232.214 171.251.232.215 171.251.232.216 171.251.232.217 171.251.232.218 171.251.232.219 171.251.232.220 171.251.232.221 171.251.232.222 171.251.232.223 171.251.232.224 171.251.232.225 171.251.232.226 171.251.232.227 171.251.232.228 171.251.232.229 171.251.232.230 171.251.232.231 171.251.232.232 171.251.232.233 171.251.232.234 171.251.232.235 171.251.232.236 171.251.232.237 171.251.232.238 171.251.232.239 171.251.232.240 171.251.232.241 171.251.232.242 171.251.232.243 171.251.232.244 171.251.232.245 171.251.232.246 171.251.232.247 171.251.232.248 171.251.232.249 171.251.232.250 171.251.232.251 171.251.232.252 171.251.232.253 171.251.232.254 171.251.232.255 + 768 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
171.251.232.0/22
Origin AS
AS7552
Announcement samples
44,862
Last seen
2026-07-25 03:33:40

Frequently Asked Questions

What is 171.251.232.0/22?

171.251.232.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 171.251.232.0 to 171.251.235.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 171.251.232.0/22 network?

The 171.251.232.0/22 range is allocated to Viettel Group and announced via AS7552 from Vietnam.

Last updated: 2026-07-25 05:55:32 UTC
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