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CIDR Range

5.129.240.0/21

2.0K IPs /21 Jsc timeweb AS9123 Russia RIPE
Addresses
2,048
2.0K
IP Range
5.129.240.0
→ 5.129.247.255
Sub-ranges
13+
within this block
PTR Density
9.2%
189 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.

77/100
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 5.129.240.0/21

CIDRIPsOrganizationASNCountry
5.129.240.0/22 1.0K Jsc timeweb AS9123 RU
5.129.240.0/22 1.0K Jsc timeweb AS9123 RU
5.129.244.0/22 1.0K Jsc timeweb AS9123 RU
5.129.240.0/23 512 Jsc timeweb AS9123 RU
5.129.246.0/23 512 Jsc timeweb AS9123 RU
5.129.246.0/23 512 Jsc timeweb AS9123 RU
5.129.242.0/23 512 Jsc timeweb AS9123 RU
5.129.243.0/24 256 Jsc timeweb AS9123 RU
5.129.244.0/24 256 Jsc timeweb AS9123 RU
5.129.245.0/24 256 Jsc timeweb AS9123 RU
5.129.245.0/24 256 Jsc timeweb AS9123 RU
5.129.242.0/24 256 Jsc timeweb AS9123 RU
5.129.244.0/24 256 Jsc timeweb AS51789 RU

First 256 of 2,048 IP addresses in 5.129.240.0/21

5.129.240.0 5.129.240.1 5.129.240.2 5.129.240.3 5.129.240.4 5.129.240.5 5.129.240.6 5.129.240.7 5.129.240.8 5.129.240.9 5.129.240.10 5.129.240.11 5.129.240.12 5.129.240.13 5.129.240.14 5.129.240.15 5.129.240.16 5.129.240.17 5.129.240.18 5.129.240.19 5.129.240.20 5.129.240.21 5.129.240.22 5.129.240.23 5.129.240.24 5.129.240.25 5.129.240.26 5.129.240.27 5.129.240.28 5.129.240.29 5.129.240.30 5.129.240.31 5.129.240.32 5.129.240.33 5.129.240.34 5.129.240.35 5.129.240.36 5.129.240.37 5.129.240.38 5.129.240.39 5.129.240.40 5.129.240.41 5.129.240.42 5.129.240.43 5.129.240.44 5.129.240.45 5.129.240.46 5.129.240.47 5.129.240.48 5.129.240.49 5.129.240.50 5.129.240.51 5.129.240.52 5.129.240.53 5.129.240.54 5.129.240.55 5.129.240.56 5.129.240.57 5.129.240.58 5.129.240.59 5.129.240.60 5.129.240.61 5.129.240.62 5.129.240.63 5.129.240.64 5.129.240.65 5.129.240.66 5.129.240.67 5.129.240.68 5.129.240.69 5.129.240.70 5.129.240.71 5.129.240.72 5.129.240.73 5.129.240.74 5.129.240.75 5.129.240.76 5.129.240.77 5.129.240.78 5.129.240.79 5.129.240.80 5.129.240.81 5.129.240.82 5.129.240.83 5.129.240.84 5.129.240.85 5.129.240.86 5.129.240.87 5.129.240.88 5.129.240.89 5.129.240.90 5.129.240.91 5.129.240.92 5.129.240.93 5.129.240.94 5.129.240.95 5.129.240.96 5.129.240.97 5.129.240.98 5.129.240.99 5.129.240.100 5.129.240.101 5.129.240.102 5.129.240.103 5.129.240.104 5.129.240.105 5.129.240.106 5.129.240.107 5.129.240.108 5.129.240.109 5.129.240.110 5.129.240.111 5.129.240.112 5.129.240.113 5.129.240.114 5.129.240.115 5.129.240.116 5.129.240.117 5.129.240.118 5.129.240.119 5.129.240.120 5.129.240.121 5.129.240.122 5.129.240.123 5.129.240.124 5.129.240.125 5.129.240.126 5.129.240.127 5.129.240.128 5.129.240.129 5.129.240.130 5.129.240.131 5.129.240.132 5.129.240.133 5.129.240.134 5.129.240.135 5.129.240.136 5.129.240.137 5.129.240.138 5.129.240.139 5.129.240.140 5.129.240.141 5.129.240.142 5.129.240.143 5.129.240.144 5.129.240.145 5.129.240.146 5.129.240.147 5.129.240.148 5.129.240.149 5.129.240.150 5.129.240.151 5.129.240.152 5.129.240.153 5.129.240.154 5.129.240.155 5.129.240.156 5.129.240.157 5.129.240.158 5.129.240.159 5.129.240.160 5.129.240.161 5.129.240.162 5.129.240.163 5.129.240.164 5.129.240.165 5.129.240.166 5.129.240.167 5.129.240.168 5.129.240.169 5.129.240.170 5.129.240.171 5.129.240.172 5.129.240.173 5.129.240.174 5.129.240.175 5.129.240.176 5.129.240.177 5.129.240.178 5.129.240.179 5.129.240.180 5.129.240.181 5.129.240.182 5.129.240.183 5.129.240.184 5.129.240.185 5.129.240.186 5.129.240.187 5.129.240.188 5.129.240.189 5.129.240.190 5.129.240.191 5.129.240.192 5.129.240.193 5.129.240.194 5.129.240.195 5.129.240.196 5.129.240.197 5.129.240.198 5.129.240.199 5.129.240.200 5.129.240.201 5.129.240.202 5.129.240.203 5.129.240.204 5.129.240.205 5.129.240.206 5.129.240.207 5.129.240.208 5.129.240.209 5.129.240.210 5.129.240.211 5.129.240.212 5.129.240.213 5.129.240.214 5.129.240.215 5.129.240.216 5.129.240.217 5.129.240.218 5.129.240.219 5.129.240.220 5.129.240.221 5.129.240.222 5.129.240.223 5.129.240.224 5.129.240.225 5.129.240.226 5.129.240.227 5.129.240.228 5.129.240.229 5.129.240.230 5.129.240.231 5.129.240.232 5.129.240.233 5.129.240.234 5.129.240.235 5.129.240.236 5.129.240.237 5.129.240.238 5.129.240.239 5.129.240.240 5.129.240.241 5.129.240.242 5.129.240.243 5.129.240.244 5.129.240.245 5.129.240.246 5.129.240.247 5.129.240.248 5.129.240.249 5.129.240.250 5.129.240.251 5.129.240.252 5.129.240.253 5.129.240.254 5.129.240.255 + 1.8K more (range too large to list inline)

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation — RU

Frequently Asked Questions

What is 5.129.240.0/21?

5.129.240.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 5.129.240.0 to 5.129.247.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.129.240.0/21 network?

The 5.129.240.0/21 range is allocated to Jsc timeweb and announced via AS9123 from Russia.

Last updated: 2026-07-23 07:25:31 UTC
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