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CIDR Range

193.203.81.0/24

256 IPs /24 Sohonet Limited AS5555 United Kingdom RIPE
Addresses
256
256
IP Range
193.203.81.0
→ 193.203.81.255
Sub-ranges
9+
within this block
PTR Density
8.2%
21 of 256 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 193.203.81.0/24

CIDRIPsOrganizationASNCountry
193.203.81.128/25 128 Sohonet Limited AS5555 GB
193.203.81.64/26 64 Sohonet Limited AS5555 GB
193.203.81.0/27 32 Sohonet Limited AS5555 GB
193.203.81.32/28 16 Sohonet Limited AS5555 GB
193.203.81.48/29 8 Sohonet Limited AS5555 GB
193.203.81.56/30 4 Sohonet Limited AS5555 GB
193.203.81.60/31 2 Sohonet Limited AS5555 GB
193.203.81.62 1 Sohonet Limited AS5555 IT
193.203.81.63 1 Sohonet Limited AS5555 GB

Geolocation

All 256 IP addresses in 193.203.81.0/24

193.203.81.0 193.203.81.1 193.203.81.2 193.203.81.3 193.203.81.4 193.203.81.5 193.203.81.6 193.203.81.7 193.203.81.8 193.203.81.9 193.203.81.10 193.203.81.11 193.203.81.12 193.203.81.13 193.203.81.14 193.203.81.15 193.203.81.16 193.203.81.17 193.203.81.18 193.203.81.19 193.203.81.20 193.203.81.21 193.203.81.22 193.203.81.23 193.203.81.24 193.203.81.25 193.203.81.26 193.203.81.27 193.203.81.28 193.203.81.29 193.203.81.30 193.203.81.31 193.203.81.32 193.203.81.33 193.203.81.34 193.203.81.35 193.203.81.36 193.203.81.37 193.203.81.38 193.203.81.39 193.203.81.40 193.203.81.41 193.203.81.42 193.203.81.43 193.203.81.44 193.203.81.45 193.203.81.46 193.203.81.47 193.203.81.48 193.203.81.49 193.203.81.50 193.203.81.51 193.203.81.52 193.203.81.53 193.203.81.54 193.203.81.55 193.203.81.56 193.203.81.57 193.203.81.58 193.203.81.59 193.203.81.60 193.203.81.61 193.203.81.62 193.203.81.63 193.203.81.64 193.203.81.65 193.203.81.66 193.203.81.67 193.203.81.68 193.203.81.69 193.203.81.70 193.203.81.71 193.203.81.72 193.203.81.73 193.203.81.74 193.203.81.75 193.203.81.76 193.203.81.77 193.203.81.78 193.203.81.79 193.203.81.80 193.203.81.81 193.203.81.82 193.203.81.83 193.203.81.84 193.203.81.85 193.203.81.86 193.203.81.87 193.203.81.88 193.203.81.89 193.203.81.90 193.203.81.91 193.203.81.92 193.203.81.93 193.203.81.94 193.203.81.95 193.203.81.96 193.203.81.97 193.203.81.98 193.203.81.99 193.203.81.100 193.203.81.101 193.203.81.102 193.203.81.103 193.203.81.104 193.203.81.105 193.203.81.106 193.203.81.107 193.203.81.108 193.203.81.109 193.203.81.110 193.203.81.111 193.203.81.112 193.203.81.113 193.203.81.114 193.203.81.115 193.203.81.116 193.203.81.117 193.203.81.118 193.203.81.119 193.203.81.120 193.203.81.121 193.203.81.122 193.203.81.123 193.203.81.124 193.203.81.125 193.203.81.126 193.203.81.127 193.203.81.128 193.203.81.129 193.203.81.130 193.203.81.131 193.203.81.132 193.203.81.133 193.203.81.134 193.203.81.135 193.203.81.136 193.203.81.137 193.203.81.138 193.203.81.139 193.203.81.140 193.203.81.141 193.203.81.142 193.203.81.143 193.203.81.144 193.203.81.145 193.203.81.146 193.203.81.147 193.203.81.148 193.203.81.149 193.203.81.150 193.203.81.151 193.203.81.152 193.203.81.153 193.203.81.154 193.203.81.155 193.203.81.156 193.203.81.157 193.203.81.158 193.203.81.159 193.203.81.160 193.203.81.161 193.203.81.162 193.203.81.163 193.203.81.164 193.203.81.165 193.203.81.166 193.203.81.167 193.203.81.168 193.203.81.169 193.203.81.170 193.203.81.171 193.203.81.172 193.203.81.173 193.203.81.174 193.203.81.175 193.203.81.176 193.203.81.177 193.203.81.178 193.203.81.179 193.203.81.180 193.203.81.181 193.203.81.182 193.203.81.183 193.203.81.184 193.203.81.185 193.203.81.186 193.203.81.187 193.203.81.188 193.203.81.189 193.203.81.190 193.203.81.191 193.203.81.192 193.203.81.193 193.203.81.194 193.203.81.195 193.203.81.196 193.203.81.197 193.203.81.198 193.203.81.199 193.203.81.200 193.203.81.201 193.203.81.202 193.203.81.203 193.203.81.204 193.203.81.205 193.203.81.206 193.203.81.207 193.203.81.208 193.203.81.209 193.203.81.210 193.203.81.211 193.203.81.212 193.203.81.213 193.203.81.214 193.203.81.215 193.203.81.216 193.203.81.217 193.203.81.218 193.203.81.219 193.203.81.220 193.203.81.221 193.203.81.222 193.203.81.223 193.203.81.224 193.203.81.225 193.203.81.226 193.203.81.227 193.203.81.228 193.203.81.229 193.203.81.230 193.203.81.231 193.203.81.232 193.203.81.233 193.203.81.234 193.203.81.235 193.203.81.236 193.203.81.237 193.203.81.238 193.203.81.239 193.203.81.240 193.203.81.241 193.203.81.242 193.203.81.243 193.203.81.244 193.203.81.245 193.203.81.246 193.203.81.247 193.203.81.248 193.203.81.249 193.203.81.250 193.203.81.251 193.203.81.252 193.203.81.253 193.203.81.254 193.203.81.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 193.203.64.0/19.

Announced prefix
193.203.64.0/19
Origin AS
AS5555
Announcement samples
5,526
Last seen
2026-07-24 19:22:21

Frequently Asked Questions

What is 193.203.81.0/24?

193.203.81.0/24 is a CIDR network block containing 256 IPv4 addresses (from 193.203.81.0 to 193.203.81.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 193.203.81.0/24 network?

The 193.203.81.0/24 range is allocated to Sohonet Limited and announced via AS5555 from United Kingdom.

How many IP addresses are in 193.203.81.0/24?

193.203.81.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-07-24 19:55:31 UTC
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