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CIDR Range

5.53.16.0/21

2.0K IPs /21 Metroset AS50923 Russia RIPE
Addresses
2,048
2.0K
IP Range
5.53.16.0
→ 5.53.23.255
Sub-ranges
6+
within this block
PTR Density
9.3%
191 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.

73/100
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 5.53.16.0/21

CIDRIPsOrganizationASNCountry
5.53.16.0/23 512 Metroset AS50923 RU
5.53.20.0/23 512 Metroset AS50923 RU
5.53.22.0/23 512 Metroset AS50923 RU
5.53.18.0/24 256 Metroset AS50923 RU
5.53.19.0/25 128 Metroset AS50923 RU
5.53.19.128/25 128 Metroset AS50923 RU

First 256 of 2,048 IP addresses in 5.53.16.0/21

5.53.16.0 5.53.16.1 5.53.16.2 5.53.16.3 5.53.16.4 5.53.16.5 5.53.16.6 5.53.16.7 5.53.16.8 5.53.16.9 5.53.16.10 5.53.16.11 5.53.16.12 5.53.16.13 5.53.16.14 5.53.16.15 5.53.16.16 5.53.16.17 5.53.16.18 5.53.16.19 5.53.16.20 5.53.16.21 5.53.16.22 5.53.16.23 5.53.16.24 5.53.16.25 5.53.16.26 5.53.16.27 5.53.16.28 5.53.16.29 5.53.16.30 5.53.16.31 5.53.16.32 5.53.16.33 5.53.16.34 5.53.16.35 5.53.16.36 5.53.16.37 5.53.16.38 5.53.16.39 5.53.16.40 5.53.16.41 5.53.16.42 5.53.16.43 5.53.16.44 5.53.16.45 5.53.16.46 5.53.16.47 5.53.16.48 5.53.16.49 5.53.16.50 5.53.16.51 5.53.16.52 5.53.16.53 5.53.16.54 5.53.16.55 5.53.16.56 5.53.16.57 5.53.16.58 5.53.16.59 5.53.16.60 5.53.16.61 5.53.16.62 5.53.16.63 5.53.16.64 5.53.16.65 5.53.16.66 5.53.16.67 5.53.16.68 5.53.16.69 5.53.16.70 5.53.16.71 5.53.16.72 5.53.16.73 5.53.16.74 5.53.16.75 5.53.16.76 5.53.16.77 5.53.16.78 5.53.16.79 5.53.16.80 5.53.16.81 5.53.16.82 5.53.16.83 5.53.16.84 5.53.16.85 5.53.16.86 5.53.16.87 5.53.16.88 5.53.16.89 5.53.16.90 5.53.16.91 5.53.16.92 5.53.16.93 5.53.16.94 5.53.16.95 5.53.16.96 5.53.16.97 5.53.16.98 5.53.16.99 5.53.16.100 5.53.16.101 5.53.16.102 5.53.16.103 5.53.16.104 5.53.16.105 5.53.16.106 5.53.16.107 5.53.16.108 5.53.16.109 5.53.16.110 5.53.16.111 5.53.16.112 5.53.16.113 5.53.16.114 5.53.16.115 5.53.16.116 5.53.16.117 5.53.16.118 5.53.16.119 5.53.16.120 5.53.16.121 5.53.16.122 5.53.16.123 5.53.16.124 5.53.16.125 5.53.16.126 5.53.16.127 5.53.16.128 5.53.16.129 5.53.16.130 5.53.16.131 5.53.16.132 5.53.16.133 5.53.16.134 5.53.16.135 5.53.16.136 5.53.16.137 5.53.16.138 5.53.16.139 5.53.16.140 5.53.16.141 5.53.16.142 5.53.16.143 5.53.16.144 5.53.16.145 5.53.16.146 5.53.16.147 5.53.16.148 5.53.16.149 5.53.16.150 5.53.16.151 5.53.16.152 5.53.16.153 5.53.16.154 5.53.16.155 5.53.16.156 5.53.16.157 5.53.16.158 5.53.16.159 5.53.16.160 5.53.16.161 5.53.16.162 5.53.16.163 5.53.16.164 5.53.16.165 5.53.16.166 5.53.16.167 5.53.16.168 5.53.16.169 5.53.16.170 5.53.16.171 5.53.16.172 5.53.16.173 5.53.16.174 5.53.16.175 5.53.16.176 5.53.16.177 5.53.16.178 5.53.16.179 5.53.16.180 5.53.16.181 5.53.16.182 5.53.16.183 5.53.16.184 5.53.16.185 5.53.16.186 5.53.16.187 5.53.16.188 5.53.16.189 5.53.16.190 5.53.16.191 5.53.16.192 5.53.16.193 5.53.16.194 5.53.16.195 5.53.16.196 5.53.16.197 5.53.16.198 5.53.16.199 5.53.16.200 5.53.16.201 5.53.16.202 5.53.16.203 5.53.16.204 5.53.16.205 5.53.16.206 5.53.16.207 5.53.16.208 5.53.16.209 5.53.16.210 5.53.16.211 5.53.16.212 5.53.16.213 5.53.16.214 5.53.16.215 5.53.16.216 5.53.16.217 5.53.16.218 5.53.16.219 5.53.16.220 5.53.16.221 5.53.16.222 5.53.16.223 5.53.16.224 5.53.16.225 5.53.16.226 5.53.16.227 5.53.16.228 5.53.16.229 5.53.16.230 5.53.16.231 5.53.16.232 5.53.16.233 5.53.16.234 5.53.16.235 5.53.16.236 5.53.16.237 5.53.16.238 5.53.16.239 5.53.16.240 5.53.16.241 5.53.16.242 5.53.16.243 5.53.16.244 5.53.16.245 5.53.16.246 5.53.16.247 5.53.16.248 5.53.16.249 5.53.16.250 5.53.16.251 5.53.16.252 5.53.16.253 5.53.16.254 5.53.16.255 + 1.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 5.53.16.0/20.

Announced prefix
5.53.16.0/20
Origin AS
AS50923
Announcement samples
18,601
Last seen
2026-07-24 18:38:25

Frequently Asked Questions

What is 5.53.16.0/21?

5.53.16.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 5.53.16.0 to 5.53.23.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.53.16.0/21 network?

The 5.53.16.0/21 range is allocated to Metroset and announced via AS50923 from Russia.

Last updated: 2026-07-24 18:55:31 UTC
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