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CIDR Range

31.171.72.0/21

2.0K IPs /21 Azerbaijan RIPE
Addresses
2,048
2.0K
IP Range
31.171.72.0
→ 31.171.79.255
Sub-ranges
6+
within this block
PTR Density
0.5%
10 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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 31.171.72.0/21

CIDRIPsOrganizationASNCountry
31.171.72.0/22 1.0K SELNET LLC AS200446 AZ
31.171.72.0/22 1.0K SELNET LLC AS200446 AZ
31.171.72.0/22 1.0K — — AZ
31.171.76.0/22 1.0K Alfanet LLC AS50274 AZ
31.171.76.0/22 1.0K Alfanet LLC AS50274 AZ
31.171.76.0/22 1.0K — — AZ

First 256 of 2,048 IP addresses in 31.171.72.0/21

31.171.72.0 31.171.72.1 31.171.72.2 31.171.72.3 31.171.72.4 31.171.72.5 31.171.72.6 31.171.72.7 31.171.72.8 31.171.72.9 31.171.72.10 31.171.72.11 31.171.72.12 31.171.72.13 31.171.72.14 31.171.72.15 31.171.72.16 31.171.72.17 31.171.72.18 31.171.72.19 31.171.72.20 31.171.72.21 31.171.72.22 31.171.72.23 31.171.72.24 31.171.72.25 31.171.72.26 31.171.72.27 31.171.72.28 31.171.72.29 31.171.72.30 31.171.72.31 31.171.72.32 31.171.72.33 31.171.72.34 31.171.72.35 31.171.72.36 31.171.72.37 31.171.72.38 31.171.72.39 31.171.72.40 31.171.72.41 31.171.72.42 31.171.72.43 31.171.72.44 31.171.72.45 31.171.72.46 31.171.72.47 31.171.72.48 31.171.72.49 31.171.72.50 31.171.72.51 31.171.72.52 31.171.72.53 31.171.72.54 31.171.72.55 31.171.72.56 31.171.72.57 31.171.72.58 31.171.72.59 31.171.72.60 31.171.72.61 31.171.72.62 31.171.72.63 31.171.72.64 31.171.72.65 31.171.72.66 31.171.72.67 31.171.72.68 31.171.72.69 31.171.72.70 31.171.72.71 31.171.72.72 31.171.72.73 31.171.72.74 31.171.72.75 31.171.72.76 31.171.72.77 31.171.72.78 31.171.72.79 31.171.72.80 31.171.72.81 31.171.72.82 31.171.72.83 31.171.72.84 31.171.72.85 31.171.72.86 31.171.72.87 31.171.72.88 31.171.72.89 31.171.72.90 31.171.72.91 31.171.72.92 31.171.72.93 31.171.72.94 31.171.72.95 31.171.72.96 31.171.72.97 31.171.72.98 31.171.72.99 31.171.72.100 31.171.72.101 31.171.72.102 31.171.72.103 31.171.72.104 31.171.72.105 31.171.72.106 31.171.72.107 31.171.72.108 31.171.72.109 31.171.72.110 31.171.72.111 31.171.72.112 31.171.72.113 31.171.72.114 31.171.72.115 31.171.72.116 31.171.72.117 31.171.72.118 31.171.72.119 31.171.72.120 31.171.72.121 31.171.72.122 31.171.72.123 31.171.72.124 31.171.72.125 31.171.72.126 31.171.72.127 31.171.72.128 31.171.72.129 31.171.72.130 31.171.72.131 31.171.72.132 31.171.72.133 31.171.72.134 31.171.72.135 31.171.72.136 31.171.72.137 31.171.72.138 31.171.72.139 31.171.72.140 31.171.72.141 31.171.72.142 31.171.72.143 31.171.72.144 31.171.72.145 31.171.72.146 31.171.72.147 31.171.72.148 31.171.72.149 31.171.72.150 31.171.72.151 31.171.72.152 31.171.72.153 31.171.72.154 31.171.72.155 31.171.72.156 31.171.72.157 31.171.72.158 31.171.72.159 31.171.72.160 31.171.72.161 31.171.72.162 31.171.72.163 31.171.72.164 31.171.72.165 31.171.72.166 31.171.72.167 31.171.72.168 31.171.72.169 31.171.72.170 31.171.72.171 31.171.72.172 31.171.72.173 31.171.72.174 31.171.72.175 31.171.72.176 31.171.72.177 31.171.72.178 31.171.72.179 31.171.72.180 31.171.72.181 31.171.72.182 31.171.72.183 31.171.72.184 31.171.72.185 31.171.72.186 31.171.72.187 31.171.72.188 31.171.72.189 31.171.72.190 31.171.72.191 31.171.72.192 31.171.72.193 31.171.72.194 31.171.72.195 31.171.72.196 31.171.72.197 31.171.72.198 31.171.72.199 31.171.72.200 31.171.72.201 31.171.72.202 31.171.72.203 31.171.72.204 31.171.72.205 31.171.72.206 31.171.72.207 31.171.72.208 31.171.72.209 31.171.72.210 31.171.72.211 31.171.72.212 31.171.72.213 31.171.72.214 31.171.72.215 31.171.72.216 31.171.72.217 31.171.72.218 31.171.72.219 31.171.72.220 31.171.72.221 31.171.72.222 31.171.72.223 31.171.72.224 31.171.72.225 31.171.72.226 31.171.72.227 31.171.72.228 31.171.72.229 31.171.72.230 31.171.72.231 31.171.72.232 31.171.72.233 31.171.72.234 31.171.72.235 31.171.72.236 31.171.72.237 31.171.72.238 31.171.72.239 31.171.72.240 31.171.72.241 31.171.72.242 31.171.72.243 31.171.72.244 31.171.72.245 31.171.72.246 31.171.72.247 31.171.72.248 31.171.72.249 31.171.72.250 31.171.72.251 31.171.72.252 31.171.72.253 31.171.72.254 31.171.72.255 + 1.8K more (range too large to list inline)

Frequently Asked Questions

What is 31.171.72.0/21?

31.171.72.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 31.171.72.0 to 31.171.79.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 31.171.72.0/21 network?

The 31.171.72.0/21 range is allocated to an unknown organization from Azerbaijan.

Last updated: 2026-10-15 12:39:05 UTC
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