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CIDR Range

144.64.186.0/23

512 IPs /23 Servicos De Comunicacoes E Multimedia S.A. AS3243 Portugal ARIN
Addresses
512
512
IP Range
144.64.186.0
→ 144.64.187.255
Sub-ranges
0+
within this block
PTR Density
99.6%
510 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.

76/100
Moderate
How this score is built

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

Geolocation

First 256 of 512 IP addresses in 144.64.186.0/23

144.64.186.0 144.64.186.1 144.64.186.2 144.64.186.3 144.64.186.4 144.64.186.5 144.64.186.6 144.64.186.7 144.64.186.8 144.64.186.9 144.64.186.10 144.64.186.11 144.64.186.12 144.64.186.13 144.64.186.14 144.64.186.15 144.64.186.16 144.64.186.17 144.64.186.18 144.64.186.19 144.64.186.20 144.64.186.21 144.64.186.22 144.64.186.23 144.64.186.24 144.64.186.25 144.64.186.26 144.64.186.27 144.64.186.28 144.64.186.29 144.64.186.30 144.64.186.31 144.64.186.32 144.64.186.33 144.64.186.34 144.64.186.35 144.64.186.36 144.64.186.37 144.64.186.38 144.64.186.39 144.64.186.40 144.64.186.41 144.64.186.42 144.64.186.43 144.64.186.44 144.64.186.45 144.64.186.46 144.64.186.47 144.64.186.48 144.64.186.49 144.64.186.50 144.64.186.51 144.64.186.52 144.64.186.53 144.64.186.54 144.64.186.55 144.64.186.56 144.64.186.57 144.64.186.58 144.64.186.59 144.64.186.60 144.64.186.61 144.64.186.62 144.64.186.63 144.64.186.64 144.64.186.65 144.64.186.66 144.64.186.67 144.64.186.68 144.64.186.69 144.64.186.70 144.64.186.71 144.64.186.72 144.64.186.73 144.64.186.74 144.64.186.75 144.64.186.76 144.64.186.77 144.64.186.78 144.64.186.79 144.64.186.80 144.64.186.81 144.64.186.82 144.64.186.83 144.64.186.84 144.64.186.85 144.64.186.86 144.64.186.87 144.64.186.88 144.64.186.89 144.64.186.90 144.64.186.91 144.64.186.92 144.64.186.93 144.64.186.94 144.64.186.95 144.64.186.96 144.64.186.97 144.64.186.98 144.64.186.99 144.64.186.100 144.64.186.101 144.64.186.102 144.64.186.103 144.64.186.104 144.64.186.105 144.64.186.106 144.64.186.107 144.64.186.108 144.64.186.109 144.64.186.110 144.64.186.111 144.64.186.112 144.64.186.113 144.64.186.114 144.64.186.115 144.64.186.116 144.64.186.117 144.64.186.118 144.64.186.119 144.64.186.120 144.64.186.121 144.64.186.122 144.64.186.123 144.64.186.124 144.64.186.125 144.64.186.126 144.64.186.127 144.64.186.128 144.64.186.129 144.64.186.130 144.64.186.131 144.64.186.132 144.64.186.133 144.64.186.134 144.64.186.135 144.64.186.136 144.64.186.137 144.64.186.138 144.64.186.139 144.64.186.140 144.64.186.141 144.64.186.142 144.64.186.143 144.64.186.144 144.64.186.145 144.64.186.146 144.64.186.147 144.64.186.148 144.64.186.149 144.64.186.150 144.64.186.151 144.64.186.152 144.64.186.153 144.64.186.154 144.64.186.155 144.64.186.156 144.64.186.157 144.64.186.158 144.64.186.159 144.64.186.160 144.64.186.161 144.64.186.162 144.64.186.163 144.64.186.164 144.64.186.165 144.64.186.166 144.64.186.167 144.64.186.168 144.64.186.169 144.64.186.170 144.64.186.171 144.64.186.172 144.64.186.173 144.64.186.174 144.64.186.175 144.64.186.176 144.64.186.177 144.64.186.178 144.64.186.179 144.64.186.180 144.64.186.181 144.64.186.182 144.64.186.183 144.64.186.184 144.64.186.185 144.64.186.186 144.64.186.187 144.64.186.188 144.64.186.189 144.64.186.190 144.64.186.191 144.64.186.192 144.64.186.193 144.64.186.194 144.64.186.195 144.64.186.196 144.64.186.197 144.64.186.198 144.64.186.199 144.64.186.200 144.64.186.201 144.64.186.202 144.64.186.203 144.64.186.204 144.64.186.205 144.64.186.206 144.64.186.207 144.64.186.208 144.64.186.209 144.64.186.210 144.64.186.211 144.64.186.212 144.64.186.213 144.64.186.214 144.64.186.215 144.64.186.216 144.64.186.217 144.64.186.218 144.64.186.219 144.64.186.220 144.64.186.221 144.64.186.222 144.64.186.223 144.64.186.224 144.64.186.225 144.64.186.226 144.64.186.227 144.64.186.228 144.64.186.229 144.64.186.230 144.64.186.231 144.64.186.232 144.64.186.233 144.64.186.234 144.64.186.235 144.64.186.236 144.64.186.237 144.64.186.238 144.64.186.239 144.64.186.240 144.64.186.241 144.64.186.242 144.64.186.243 144.64.186.244 144.64.186.245 144.64.186.246 144.64.186.247 144.64.186.248 144.64.186.249 144.64.186.250 144.64.186.251 144.64.186.252 144.64.186.253 144.64.186.254 144.64.186.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 144.64.128.0/17.

Announced prefix
144.64.128.0/17
Origin AS
AS3243
Announcement samples
3,437
Last seen
2026-07-18 12:01:13

RIR Ownership History

Atom feed ⇲

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

Date Event From To
2026-05-10 RIR Transfer arin ripe

Frequently Asked Questions

What is 144.64.186.0/23?

144.64.186.0/23 is a CIDR network block containing 512 IPv4 addresses (from 144.64.186.0 to 144.64.187.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 144.64.186.0/23 network?

The 144.64.186.0/23 range is allocated to Servicos De Comunicacoes E Multimedia S.A. and announced via AS3243 from Portugal.

Last updated: 2026-07-18 12:25:31 UTC
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