Skip to main content
WorldIP.io
CIDR Range

5.121.0.0/16

65.5K IPs /16 Iran Cell Service and Communication Company AS44244 Iran RIPE
Addresses
65,536
65.5K
IP Range
5.121.0.0
→ 5.121.255.255
Sub-ranges
3+
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.

68/100
Moderate
How this score is built

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

Ranges inside 5.121.0.0/16

CIDRIPsOrganizationASNCountry
5.121.128.0/17 32.8K Iran Cell Service and Communication Company AS44244 IR
5.121.0.0/18 16.4K Iran Cell Service and Communication Company AS44244 IR
5.121.64.0/18 16.4K Iran Cell Service and Communication Company AS44244 IR

Geolocation

First 256 of 65,536 IP addresses in 5.121.0.0/16

5.121.0.0 5.121.0.1 5.121.0.2 5.121.0.3 5.121.0.4 5.121.0.5 5.121.0.6 5.121.0.7 5.121.0.8 5.121.0.9 5.121.0.10 5.121.0.11 5.121.0.12 5.121.0.13 5.121.0.14 5.121.0.15 5.121.0.16 5.121.0.17 5.121.0.18 5.121.0.19 5.121.0.20 5.121.0.21 5.121.0.22 5.121.0.23 5.121.0.24 5.121.0.25 5.121.0.26 5.121.0.27 5.121.0.28 5.121.0.29 5.121.0.30 5.121.0.31 5.121.0.32 5.121.0.33 5.121.0.34 5.121.0.35 5.121.0.36 5.121.0.37 5.121.0.38 5.121.0.39 5.121.0.40 5.121.0.41 5.121.0.42 5.121.0.43 5.121.0.44 5.121.0.45 5.121.0.46 5.121.0.47 5.121.0.48 5.121.0.49 5.121.0.50 5.121.0.51 5.121.0.52 5.121.0.53 5.121.0.54 5.121.0.55 5.121.0.56 5.121.0.57 5.121.0.58 5.121.0.59 5.121.0.60 5.121.0.61 5.121.0.62 5.121.0.63 5.121.0.64 5.121.0.65 5.121.0.66 5.121.0.67 5.121.0.68 5.121.0.69 5.121.0.70 5.121.0.71 5.121.0.72 5.121.0.73 5.121.0.74 5.121.0.75 5.121.0.76 5.121.0.77 5.121.0.78 5.121.0.79 5.121.0.80 5.121.0.81 5.121.0.82 5.121.0.83 5.121.0.84 5.121.0.85 5.121.0.86 5.121.0.87 5.121.0.88 5.121.0.89 5.121.0.90 5.121.0.91 5.121.0.92 5.121.0.93 5.121.0.94 5.121.0.95 5.121.0.96 5.121.0.97 5.121.0.98 5.121.0.99 5.121.0.100 5.121.0.101 5.121.0.102 5.121.0.103 5.121.0.104 5.121.0.105 5.121.0.106 5.121.0.107 5.121.0.108 5.121.0.109 5.121.0.110 5.121.0.111 5.121.0.112 5.121.0.113 5.121.0.114 5.121.0.115 5.121.0.116 5.121.0.117 5.121.0.118 5.121.0.119 5.121.0.120 5.121.0.121 5.121.0.122 5.121.0.123 5.121.0.124 5.121.0.125 5.121.0.126 5.121.0.127 5.121.0.128 5.121.0.129 5.121.0.130 5.121.0.131 5.121.0.132 5.121.0.133 5.121.0.134 5.121.0.135 5.121.0.136 5.121.0.137 5.121.0.138 5.121.0.139 5.121.0.140 5.121.0.141 5.121.0.142 5.121.0.143 5.121.0.144 5.121.0.145 5.121.0.146 5.121.0.147 5.121.0.148 5.121.0.149 5.121.0.150 5.121.0.151 5.121.0.152 5.121.0.153 5.121.0.154 5.121.0.155 5.121.0.156 5.121.0.157 5.121.0.158 5.121.0.159 5.121.0.160 5.121.0.161 5.121.0.162 5.121.0.163 5.121.0.164 5.121.0.165 5.121.0.166 5.121.0.167 5.121.0.168 5.121.0.169 5.121.0.170 5.121.0.171 5.121.0.172 5.121.0.173 5.121.0.174 5.121.0.175 5.121.0.176 5.121.0.177 5.121.0.178 5.121.0.179 5.121.0.180 5.121.0.181 5.121.0.182 5.121.0.183 5.121.0.184 5.121.0.185 5.121.0.186 5.121.0.187 5.121.0.188 5.121.0.189 5.121.0.190 5.121.0.191 5.121.0.192 5.121.0.193 5.121.0.194 5.121.0.195 5.121.0.196 5.121.0.197 5.121.0.198 5.121.0.199 5.121.0.200 5.121.0.201 5.121.0.202 5.121.0.203 5.121.0.204 5.121.0.205 5.121.0.206 5.121.0.207 5.121.0.208 5.121.0.209 5.121.0.210 5.121.0.211 5.121.0.212 5.121.0.213 5.121.0.214 5.121.0.215 5.121.0.216 5.121.0.217 5.121.0.218 5.121.0.219 5.121.0.220 5.121.0.221 5.121.0.222 5.121.0.223 5.121.0.224 5.121.0.225 5.121.0.226 5.121.0.227 5.121.0.228 5.121.0.229 5.121.0.230 5.121.0.231 5.121.0.232 5.121.0.233 5.121.0.234 5.121.0.235 5.121.0.236 5.121.0.237 5.121.0.238 5.121.0.239 5.121.0.240 5.121.0.241 5.121.0.242 5.121.0.243 5.121.0.244 5.121.0.245 5.121.0.246 5.121.0.247 5.121.0.248 5.121.0.249 5.121.0.250 5.121.0.251 5.121.0.252 5.121.0.253 5.121.0.254 5.121.0.255 + 65.3K more (range too large to list inline)

Frequently Asked Questions

What is 5.121.0.0/16?

5.121.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 5.121.0.0 to 5.121.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.121.0.0/16 network?

The 5.121.0.0/16 range is allocated to Iran Cell Service and Communication Company and announced via AS44244 from Iran.

Last updated: 2026-07-20 02:25:31 UTC
Share