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CIDR Range

217.79.120.0/23

512 IPs /23 GTT Communications Inc. AS3257 United Kingdom RIPE
Addresses
512
512
IP Range
217.79.120.0
→ 217.79.121.255
Sub-ranges
4+
within this block
PTR Density
69.9%
358 of 512 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 217.79.120.0/23

CIDRIPsOrganizationASNCountry
217.79.120.0/24 256 Hydra Communications Ltd AS25369 GB
217.79.120.0/24 256 Hydra Communications Ltd AS25369 GB
217.79.121.0/24 256 UAB Orliva AS219363 LT
217.79.121.0/24 256 UAB Orliva AS219363 GB

Geolocation

First 256 of 512 IP addresses in 217.79.120.0/23

217.79.120.0 217.79.120.1 217.79.120.2 217.79.120.3 217.79.120.4 217.79.120.5 217.79.120.6 217.79.120.7 217.79.120.8 217.79.120.9 217.79.120.10 217.79.120.11 217.79.120.12 217.79.120.13 217.79.120.14 217.79.120.15 217.79.120.16 217.79.120.17 217.79.120.18 217.79.120.19 217.79.120.20 217.79.120.21 217.79.120.22 217.79.120.23 217.79.120.24 217.79.120.25 217.79.120.26 217.79.120.27 217.79.120.28 217.79.120.29 217.79.120.30 217.79.120.31 217.79.120.32 217.79.120.33 217.79.120.34 217.79.120.35 217.79.120.36 217.79.120.37 217.79.120.38 217.79.120.39 217.79.120.40 217.79.120.41 217.79.120.42 217.79.120.43 217.79.120.44 217.79.120.45 217.79.120.46 217.79.120.47 217.79.120.48 217.79.120.49 217.79.120.50 217.79.120.51 217.79.120.52 217.79.120.53 217.79.120.54 217.79.120.55 217.79.120.56 217.79.120.57 217.79.120.58 217.79.120.59 217.79.120.60 217.79.120.61 217.79.120.62 217.79.120.63 217.79.120.64 217.79.120.65 217.79.120.66 217.79.120.67 217.79.120.68 217.79.120.69 217.79.120.70 217.79.120.71 217.79.120.72 217.79.120.73 217.79.120.74 217.79.120.75 217.79.120.76 217.79.120.77 217.79.120.78 217.79.120.79 217.79.120.80 217.79.120.81 217.79.120.82 217.79.120.83 217.79.120.84 217.79.120.85 217.79.120.86 217.79.120.87 217.79.120.88 217.79.120.89 217.79.120.90 217.79.120.91 217.79.120.92 217.79.120.93 217.79.120.94 217.79.120.95 217.79.120.96 217.79.120.97 217.79.120.98 217.79.120.99 217.79.120.100 217.79.120.101 217.79.120.102 217.79.120.103 217.79.120.104 217.79.120.105 217.79.120.106 217.79.120.107 217.79.120.108 217.79.120.109 217.79.120.110 217.79.120.111 217.79.120.112 217.79.120.113 217.79.120.114 217.79.120.115 217.79.120.116 217.79.120.117 217.79.120.118 217.79.120.119 217.79.120.120 217.79.120.121 217.79.120.122 217.79.120.123 217.79.120.124 217.79.120.125 217.79.120.126 217.79.120.127 217.79.120.128 217.79.120.129 217.79.120.130 217.79.120.131 217.79.120.132 217.79.120.133 217.79.120.134 217.79.120.135 217.79.120.136 217.79.120.137 217.79.120.138 217.79.120.139 217.79.120.140 217.79.120.141 217.79.120.142 217.79.120.143 217.79.120.144 217.79.120.145 217.79.120.146 217.79.120.147 217.79.120.148 217.79.120.149 217.79.120.150 217.79.120.151 217.79.120.152 217.79.120.153 217.79.120.154 217.79.120.155 217.79.120.156 217.79.120.157 217.79.120.158 217.79.120.159 217.79.120.160 217.79.120.161 217.79.120.162 217.79.120.163 217.79.120.164 217.79.120.165 217.79.120.166 217.79.120.167 217.79.120.168 217.79.120.169 217.79.120.170 217.79.120.171 217.79.120.172 217.79.120.173 217.79.120.174 217.79.120.175 217.79.120.176 217.79.120.177 217.79.120.178 217.79.120.179 217.79.120.180 217.79.120.181 217.79.120.182 217.79.120.183 217.79.120.184 217.79.120.185 217.79.120.186 217.79.120.187 217.79.120.188 217.79.120.189 217.79.120.190 217.79.120.191 217.79.120.192 217.79.120.193 217.79.120.194 217.79.120.195 217.79.120.196 217.79.120.197 217.79.120.198 217.79.120.199 217.79.120.200 217.79.120.201 217.79.120.202 217.79.120.203 217.79.120.204 217.79.120.205 217.79.120.206 217.79.120.207 217.79.120.208 217.79.120.209 217.79.120.210 217.79.120.211 217.79.120.212 217.79.120.213 217.79.120.214 217.79.120.215 217.79.120.216 217.79.120.217 217.79.120.218 217.79.120.219 217.79.120.220 217.79.120.221 217.79.120.222 217.79.120.223 217.79.120.224 217.79.120.225 217.79.120.226 217.79.120.227 217.79.120.228 217.79.120.229 217.79.120.230 217.79.120.231 217.79.120.232 217.79.120.233 217.79.120.234 217.79.120.235 217.79.120.236 217.79.120.237 217.79.120.238 217.79.120.239 217.79.120.240 217.79.120.241 217.79.120.242 217.79.120.243 217.79.120.244 217.79.120.245 217.79.120.246 217.79.120.247 217.79.120.248 217.79.120.249 217.79.120.250 217.79.120.251 217.79.120.252 217.79.120.253 217.79.120.254 217.79.120.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 217.79.96.0/19.

Announced prefix
217.79.96.0/19
Origin AS
AS3257
Announcement samples
5,559
Last seen
2026-09-11 17:19:33

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation — GB

Frequently Asked Questions

What is 217.79.120.0/23?

217.79.120.0/23 is a CIDR network block containing 512 IPv4 addresses (from 217.79.120.0 to 217.79.121.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 217.79.120.0/23 network?

The 217.79.120.0/23 range is allocated to GTT Communications Inc. and announced via AS3257 from United Kingdom.

Last updated: 2026-09-11 17:41:07 UTC
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