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CIDR Range

5.51.0.0/16

65.5K IPs /16 Bouygues Telecom SA AS5410 France RIPE
Addresses
65,536
65.5K
IP Range
5.51.0.0
→ 5.51.255.255
Sub-ranges
49+
within this block
PTR Density
65.7%
43.0K of 65.5K 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 5.51.0.0/16

CIDRIPsOrganizationASNCountry
5.51.128.0/17 32.8K Bouygues Telecom SA AS5410 FR
5.51.64.0/18 16.4K Bouygues Telecom SA AS5410 FR
5.51.0.0/19 8.2K Bouygues Telecom SA AS5410 FR
5.51.96.0/19 8.2K Bouygues Telecom SA AS5410 FR
5.51.224.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.48.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.240.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.112.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.80.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.144.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.192.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.160.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.96.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.176.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.208.0/20 4.1K Bouygues Telecom SA AS5410 FR
5.51.56.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.176.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.72.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.160.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.184.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.168.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.136.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.48.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.24.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.32.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.16.0/21 2.0K Bouygues Telecom SA AS5410 FR
5.51.128.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.40.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.0.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.12.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.8.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.68.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.4.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.64.0/22 1.0K Bouygues Telecom SA AS5410 FR
5.51.44.0/23 512 Bouygues Telecom SA AS5410 FR
5.51.132.0/23 512 Bouygues Telecom SA AS5410 FR
5.51.134.0/23 512 Bouygues Telecom SA AS5410 FR
5.51.68.0/23 512 Bouygues Telecom SA AS5410 FR
5.51.70.0/23 512 Bouygues Telecom SA AS5410 FR
5.51.47.0/24 256 Bouygues Telecom SA AS5410 FR
5.51.46.128/25 128 Bouygues Telecom SA AS5410 FR
5.51.46.0/26 64 Bouygues Telecom SA AS5410 FR
5.51.46.64/27 32 Bouygues Telecom SA AS5410 FR
5.51.46.96/28 16 Bouygues Telecom SA AS5410 FR
5.51.46.112/29 8 Bouygues Telecom SA AS5410 FR
5.51.46.120/30 4 Bouygues Telecom SA AS5410 FR
5.51.46.126/31 2 Bouygues Telecom SA AS5410 FR
5.51.46.124/32 1 Bouygues Telecom SA AS5410 FR
5.51.46.125/32 1 Bouygues Telecom SA AS5410 FR

First 256 of 65,536 IP addresses in 5.51.0.0/16

5.51.0.0 5.51.0.1 5.51.0.2 5.51.0.3 5.51.0.4 5.51.0.5 5.51.0.6 5.51.0.7 5.51.0.8 5.51.0.9 5.51.0.10 5.51.0.11 5.51.0.12 5.51.0.13 5.51.0.14 5.51.0.15 5.51.0.16 5.51.0.17 5.51.0.18 5.51.0.19 5.51.0.20 5.51.0.21 5.51.0.22 5.51.0.23 5.51.0.24 5.51.0.25 5.51.0.26 5.51.0.27 5.51.0.28 5.51.0.29 5.51.0.30 5.51.0.31 5.51.0.32 5.51.0.33 5.51.0.34 5.51.0.35 5.51.0.36 5.51.0.37 5.51.0.38 5.51.0.39 5.51.0.40 5.51.0.41 5.51.0.42 5.51.0.43 5.51.0.44 5.51.0.45 5.51.0.46 5.51.0.47 5.51.0.48 5.51.0.49 5.51.0.50 5.51.0.51 5.51.0.52 5.51.0.53 5.51.0.54 5.51.0.55 5.51.0.56 5.51.0.57 5.51.0.58 5.51.0.59 5.51.0.60 5.51.0.61 5.51.0.62 5.51.0.63 5.51.0.64 5.51.0.65 5.51.0.66 5.51.0.67 5.51.0.68 5.51.0.69 5.51.0.70 5.51.0.71 5.51.0.72 5.51.0.73 5.51.0.74 5.51.0.75 5.51.0.76 5.51.0.77 5.51.0.78 5.51.0.79 5.51.0.80 5.51.0.81 5.51.0.82 5.51.0.83 5.51.0.84 5.51.0.85 5.51.0.86 5.51.0.87 5.51.0.88 5.51.0.89 5.51.0.90 5.51.0.91 5.51.0.92 5.51.0.93 5.51.0.94 5.51.0.95 5.51.0.96 5.51.0.97 5.51.0.98 5.51.0.99 5.51.0.100 5.51.0.101 5.51.0.102 5.51.0.103 5.51.0.104 5.51.0.105 5.51.0.106 5.51.0.107 5.51.0.108 5.51.0.109 5.51.0.110 5.51.0.111 5.51.0.112 5.51.0.113 5.51.0.114 5.51.0.115 5.51.0.116 5.51.0.117 5.51.0.118 5.51.0.119 5.51.0.120 5.51.0.121 5.51.0.122 5.51.0.123 5.51.0.124 5.51.0.125 5.51.0.126 5.51.0.127 5.51.0.128 5.51.0.129 5.51.0.130 5.51.0.131 5.51.0.132 5.51.0.133 5.51.0.134 5.51.0.135 5.51.0.136 5.51.0.137 5.51.0.138 5.51.0.139 5.51.0.140 5.51.0.141 5.51.0.142 5.51.0.143 5.51.0.144 5.51.0.145 5.51.0.146 5.51.0.147 5.51.0.148 5.51.0.149 5.51.0.150 5.51.0.151 5.51.0.152 5.51.0.153 5.51.0.154 5.51.0.155 5.51.0.156 5.51.0.157 5.51.0.158 5.51.0.159 5.51.0.160 5.51.0.161 5.51.0.162 5.51.0.163 5.51.0.164 5.51.0.165 5.51.0.166 5.51.0.167 5.51.0.168 5.51.0.169 5.51.0.170 5.51.0.171 5.51.0.172 5.51.0.173 5.51.0.174 5.51.0.175 5.51.0.176 5.51.0.177 5.51.0.178 5.51.0.179 5.51.0.180 5.51.0.181 5.51.0.182 5.51.0.183 5.51.0.184 5.51.0.185 5.51.0.186 5.51.0.187 5.51.0.188 5.51.0.189 5.51.0.190 5.51.0.191 5.51.0.192 5.51.0.193 5.51.0.194 5.51.0.195 5.51.0.196 5.51.0.197 5.51.0.198 5.51.0.199 5.51.0.200 5.51.0.201 5.51.0.202 5.51.0.203 5.51.0.204 5.51.0.205 5.51.0.206 5.51.0.207 5.51.0.208 5.51.0.209 5.51.0.210 5.51.0.211 5.51.0.212 5.51.0.213 5.51.0.214 5.51.0.215 5.51.0.216 5.51.0.217 5.51.0.218 5.51.0.219 5.51.0.220 5.51.0.221 5.51.0.222 5.51.0.223 5.51.0.224 5.51.0.225 5.51.0.226 5.51.0.227 5.51.0.228 5.51.0.229 5.51.0.230 5.51.0.231 5.51.0.232 5.51.0.233 5.51.0.234 5.51.0.235 5.51.0.236 5.51.0.237 5.51.0.238 5.51.0.239 5.51.0.240 5.51.0.241 5.51.0.242 5.51.0.243 5.51.0.244 5.51.0.245 5.51.0.246 5.51.0.247 5.51.0.248 5.51.0.249 5.51.0.250 5.51.0.251 5.51.0.252 5.51.0.253 5.51.0.254 5.51.0.255 + 65.3K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 5.48.0.0/14.

Announced prefix
5.48.0.0/14
Origin AS
AS5410
Announcement samples
4,129
Last seen
2026-07-23 05:35:32

Frequently Asked Questions

What is 5.51.0.0/16?

5.51.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 5.51.0.0 to 5.51.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.51.0.0/16 network?

The 5.51.0.0/16 range is allocated to Bouygues Telecom SA and announced via AS5410 from France.

Last updated: 2026-07-23 05:40:32 UTC
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