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CIDR Range

90.183.192.0/18

16.4K IPs /18 O2 Czech Republic, a.s. AS5610 Czechia RIPE
Addresses
16,384
16.4K
IP Range
90.183.192.0
→ 90.183.255.255
Sub-ranges
9+
within this block
PTR Density
83.2%
13.6K of 16.4K 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 90.183.192.0/18

CIDRIPsOrganizationASNCountry
90.183.192.0/19 8.2K O2 Czech Republic, a.s. AS5610 CZ
90.183.224.0/20 4.1K O2 Czech Republic, a.s. AS5610 CZ
90.183.240.0/20 4.1K O2 Czech Republic, a.s. AS5610 CZ
90.183.240.0/21 2.0K O2 Czech Republic, a.s. AS5610 CZ
90.183.252.0/22 1.0K O2 Czech Republic, a.s. AS5610 CZ
90.183.248.0/23 512 O2 Czech Republic, a.s. AS5610 CZ
90.183.250.0/23 512 O2 Czech Republic, a.s. AS5610 CZ
90.183.248.0/24 256 O2 Czech Republic, a.s. AS5610 CZ
90.183.249.0/24 256 O2 Czech Republic, a.s. AS5610 CZ

Geolocation

First 256 of 16,384 IP addresses in 90.183.192.0/18

90.183.192.0 90.183.192.1 90.183.192.2 90.183.192.3 90.183.192.4 90.183.192.5 90.183.192.6 90.183.192.7 90.183.192.8 90.183.192.9 90.183.192.10 90.183.192.11 90.183.192.12 90.183.192.13 90.183.192.14 90.183.192.15 90.183.192.16 90.183.192.17 90.183.192.18 90.183.192.19 90.183.192.20 90.183.192.21 90.183.192.22 90.183.192.23 90.183.192.24 90.183.192.25 90.183.192.26 90.183.192.27 90.183.192.28 90.183.192.29 90.183.192.30 90.183.192.31 90.183.192.32 90.183.192.33 90.183.192.34 90.183.192.35 90.183.192.36 90.183.192.37 90.183.192.38 90.183.192.39 90.183.192.40 90.183.192.41 90.183.192.42 90.183.192.43 90.183.192.44 90.183.192.45 90.183.192.46 90.183.192.47 90.183.192.48 90.183.192.49 90.183.192.50 90.183.192.51 90.183.192.52 90.183.192.53 90.183.192.54 90.183.192.55 90.183.192.56 90.183.192.57 90.183.192.58 90.183.192.59 90.183.192.60 90.183.192.61 90.183.192.62 90.183.192.63 90.183.192.64 90.183.192.65 90.183.192.66 90.183.192.67 90.183.192.68 90.183.192.69 90.183.192.70 90.183.192.71 90.183.192.72 90.183.192.73 90.183.192.74 90.183.192.75 90.183.192.76 90.183.192.77 90.183.192.78 90.183.192.79 90.183.192.80 90.183.192.81 90.183.192.82 90.183.192.83 90.183.192.84 90.183.192.85 90.183.192.86 90.183.192.87 90.183.192.88 90.183.192.89 90.183.192.90 90.183.192.91 90.183.192.92 90.183.192.93 90.183.192.94 90.183.192.95 90.183.192.96 90.183.192.97 90.183.192.98 90.183.192.99 90.183.192.100 90.183.192.101 90.183.192.102 90.183.192.103 90.183.192.104 90.183.192.105 90.183.192.106 90.183.192.107 90.183.192.108 90.183.192.109 90.183.192.110 90.183.192.111 90.183.192.112 90.183.192.113 90.183.192.114 90.183.192.115 90.183.192.116 90.183.192.117 90.183.192.118 90.183.192.119 90.183.192.120 90.183.192.121 90.183.192.122 90.183.192.123 90.183.192.124 90.183.192.125 90.183.192.126 90.183.192.127 90.183.192.128 90.183.192.129 90.183.192.130 90.183.192.131 90.183.192.132 90.183.192.133 90.183.192.134 90.183.192.135 90.183.192.136 90.183.192.137 90.183.192.138 90.183.192.139 90.183.192.140 90.183.192.141 90.183.192.142 90.183.192.143 90.183.192.144 90.183.192.145 90.183.192.146 90.183.192.147 90.183.192.148 90.183.192.149 90.183.192.150 90.183.192.151 90.183.192.152 90.183.192.153 90.183.192.154 90.183.192.155 90.183.192.156 90.183.192.157 90.183.192.158 90.183.192.159 90.183.192.160 90.183.192.161 90.183.192.162 90.183.192.163 90.183.192.164 90.183.192.165 90.183.192.166 90.183.192.167 90.183.192.168 90.183.192.169 90.183.192.170 90.183.192.171 90.183.192.172 90.183.192.173 90.183.192.174 90.183.192.175 90.183.192.176 90.183.192.177 90.183.192.178 90.183.192.179 90.183.192.180 90.183.192.181 90.183.192.182 90.183.192.183 90.183.192.184 90.183.192.185 90.183.192.186 90.183.192.187 90.183.192.188 90.183.192.189 90.183.192.190 90.183.192.191 90.183.192.192 90.183.192.193 90.183.192.194 90.183.192.195 90.183.192.196 90.183.192.197 90.183.192.198 90.183.192.199 90.183.192.200 90.183.192.201 90.183.192.202 90.183.192.203 90.183.192.204 90.183.192.205 90.183.192.206 90.183.192.207 90.183.192.208 90.183.192.209 90.183.192.210 90.183.192.211 90.183.192.212 90.183.192.213 90.183.192.214 90.183.192.215 90.183.192.216 90.183.192.217 90.183.192.218 90.183.192.219 90.183.192.220 90.183.192.221 90.183.192.222 90.183.192.223 90.183.192.224 90.183.192.225 90.183.192.226 90.183.192.227 90.183.192.228 90.183.192.229 90.183.192.230 90.183.192.231 90.183.192.232 90.183.192.233 90.183.192.234 90.183.192.235 90.183.192.236 90.183.192.237 90.183.192.238 90.183.192.239 90.183.192.240 90.183.192.241 90.183.192.242 90.183.192.243 90.183.192.244 90.183.192.245 90.183.192.246 90.183.192.247 90.183.192.248 90.183.192.249 90.183.192.250 90.183.192.251 90.183.192.252 90.183.192.253 90.183.192.254 90.183.192.255 + 16.1K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 90.183.0.0/16.

Announced prefix
90.183.0.0/16
Origin AS
AS5610
Announcement samples
5,206
Last seen
2026-07-25 00:46:43

Frequently Asked Questions

What is 90.183.192.0/18?

90.183.192.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 90.183.192.0 to 90.183.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 90.183.192.0/18 network?

The 90.183.192.0/18 range is allocated to O2 Czech Republic, a.s. and announced via AS5610 from Czechia.

Last updated: 2026-07-25 02:25:34 UTC
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