5.71.32.0/21 CIDR Lookup — 2.0K IPs Owned by…

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

Baseline (neutral) 65
Has a reverse-DNS (PTR) record +5
Established allocation (14y) +3
Trust score 73 / 100

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

Ranges inside 5.71.32.0/21

CIDR	IPs	Organization	ASN	Country
5.71.32.0/22	1.0K	Sky UK Limited	AS5607	GB
5.71.36.0/22	1.0K	Sky UK Limited	AS5607	GB

Geolocation

First 256 of 2,048 IP addresses in 5.71.32.0/21

5.71.32.0 5.71.32.1 5.71.32.2 5.71.32.3 5.71.32.4 5.71.32.5 5.71.32.6 5.71.32.7 5.71.32.8 5.71.32.9 5.71.32.10 5.71.32.11 5.71.32.12 5.71.32.13 5.71.32.14 5.71.32.15 5.71.32.16 5.71.32.17 5.71.32.18 5.71.32.19 5.71.32.20 5.71.32.21 5.71.32.22 5.71.32.23 5.71.32.24 5.71.32.25 5.71.32.26 5.71.32.27 5.71.32.28 5.71.32.29 5.71.32.30 5.71.32.31 5.71.32.32 5.71.32.33 5.71.32.34 5.71.32.35 5.71.32.36 5.71.32.37 5.71.32.38 5.71.32.39 5.71.32.40 5.71.32.41 5.71.32.42 5.71.32.43 5.71.32.44 5.71.32.45 5.71.32.46 5.71.32.47 5.71.32.48 5.71.32.49 5.71.32.50 5.71.32.51 5.71.32.52 5.71.32.53 5.71.32.54 5.71.32.55 5.71.32.56 5.71.32.57 5.71.32.58 5.71.32.59 5.71.32.60 5.71.32.61 5.71.32.62 5.71.32.63 5.71.32.64 5.71.32.65 5.71.32.66 5.71.32.67 5.71.32.68 5.71.32.69 5.71.32.70 5.71.32.71 5.71.32.72 5.71.32.73 5.71.32.74 5.71.32.75 5.71.32.76 5.71.32.77 5.71.32.78 5.71.32.79 5.71.32.80 5.71.32.81 5.71.32.82 5.71.32.83 5.71.32.84 5.71.32.85 5.71.32.86 5.71.32.87 5.71.32.88 5.71.32.89 5.71.32.90 5.71.32.91 5.71.32.92 5.71.32.93 5.71.32.94 5.71.32.95 5.71.32.96 5.71.32.97 5.71.32.98 5.71.32.99 5.71.32.100 5.71.32.101 5.71.32.102 5.71.32.103 5.71.32.104 5.71.32.105 5.71.32.106 5.71.32.107 5.71.32.108 5.71.32.109 5.71.32.110 5.71.32.111 5.71.32.112 5.71.32.113 5.71.32.114 5.71.32.115 5.71.32.116 5.71.32.117 5.71.32.118 5.71.32.119 5.71.32.120 5.71.32.121 5.71.32.122 5.71.32.123 5.71.32.124 5.71.32.125 5.71.32.126 5.71.32.127 5.71.32.128 5.71.32.129 5.71.32.130 5.71.32.131 5.71.32.132 5.71.32.133 5.71.32.134 5.71.32.135 5.71.32.136 5.71.32.137 5.71.32.138 5.71.32.139 5.71.32.140 5.71.32.141 5.71.32.142 5.71.32.143 5.71.32.144 5.71.32.145 5.71.32.146 5.71.32.147 5.71.32.148 5.71.32.149 5.71.32.150 5.71.32.151 5.71.32.152 5.71.32.153 5.71.32.154 5.71.32.155 5.71.32.156 5.71.32.157 5.71.32.158 5.71.32.159 5.71.32.160 5.71.32.161 5.71.32.162 5.71.32.163 5.71.32.164 5.71.32.165 5.71.32.166 5.71.32.167 5.71.32.168 5.71.32.169 5.71.32.170 5.71.32.171 5.71.32.172 5.71.32.173 5.71.32.174 5.71.32.175 5.71.32.176 5.71.32.177 5.71.32.178 5.71.32.179 5.71.32.180 5.71.32.181 5.71.32.182 5.71.32.183 5.71.32.184 5.71.32.185 5.71.32.186 5.71.32.187 5.71.32.188 5.71.32.189 5.71.32.190 5.71.32.191 5.71.32.192 5.71.32.193 5.71.32.194 5.71.32.195 5.71.32.196 5.71.32.197 5.71.32.198 5.71.32.199 5.71.32.200 5.71.32.201 5.71.32.202 5.71.32.203 5.71.32.204 5.71.32.205 5.71.32.206 5.71.32.207 5.71.32.208 5.71.32.209 5.71.32.210 5.71.32.211 5.71.32.212 5.71.32.213 5.71.32.214 5.71.32.215 5.71.32.216 5.71.32.217 5.71.32.218 5.71.32.219 5.71.32.220 5.71.32.221 5.71.32.222 5.71.32.223 5.71.32.224 5.71.32.225 5.71.32.226 5.71.32.227 5.71.32.228 5.71.32.229 5.71.32.230 5.71.32.231 5.71.32.232 5.71.32.233 5.71.32.234 5.71.32.235 5.71.32.236 5.71.32.237 5.71.32.238 5.71.32.239 5.71.32.240 5.71.32.241 5.71.32.242 5.71.32.243 5.71.32.244 5.71.32.245 5.71.32.246 5.71.32.247 5.71.32.248 5.71.32.249 5.71.32.250 5.71.32.251 5.71.32.252 5.71.32.253 5.71.32.254 5.71.32.255 + 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 5.64.0.0/13.

Announced prefix

5.64.0.0/13

Origin AS

AS5607

Announcement samples

4,119

Last seen

2026-07-19 15:51:27

Frequently Asked Questions

What is 5.71.32.0/21?

5.71.32.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 5.71.32.0 to 5.71.39.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.71.32.0/21 network?

The 5.71.32.0/21 range is allocated to Sky UK Limited and announced via AS5607 from United Kingdom.