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CIDR Range

176.78.16.0/20

4.1K IPs /20 Servicos De Comunicacoes E Multimedia S.A. AS3243 Portugal RIPE
Addresses
4,096
4.1K
IP Range
176.78.16.0
→ 176.78.31.255
Sub-ranges
0+
within this block
PTR Density
99.6%
4.1K of 4.1K 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 4,096 IP addresses in 176.78.16.0/20

176.78.16.0 176.78.16.1 176.78.16.2 176.78.16.3 176.78.16.4 176.78.16.5 176.78.16.6 176.78.16.7 176.78.16.8 176.78.16.9 176.78.16.10 176.78.16.11 176.78.16.12 176.78.16.13 176.78.16.14 176.78.16.15 176.78.16.16 176.78.16.17 176.78.16.18 176.78.16.19 176.78.16.20 176.78.16.21 176.78.16.22 176.78.16.23 176.78.16.24 176.78.16.25 176.78.16.26 176.78.16.27 176.78.16.28 176.78.16.29 176.78.16.30 176.78.16.31 176.78.16.32 176.78.16.33 176.78.16.34 176.78.16.35 176.78.16.36 176.78.16.37 176.78.16.38 176.78.16.39 176.78.16.40 176.78.16.41 176.78.16.42 176.78.16.43 176.78.16.44 176.78.16.45 176.78.16.46 176.78.16.47 176.78.16.48 176.78.16.49 176.78.16.50 176.78.16.51 176.78.16.52 176.78.16.53 176.78.16.54 176.78.16.55 176.78.16.56 176.78.16.57 176.78.16.58 176.78.16.59 176.78.16.60 176.78.16.61 176.78.16.62 176.78.16.63 176.78.16.64 176.78.16.65 176.78.16.66 176.78.16.67 176.78.16.68 176.78.16.69 176.78.16.70 176.78.16.71 176.78.16.72 176.78.16.73 176.78.16.74 176.78.16.75 176.78.16.76 176.78.16.77 176.78.16.78 176.78.16.79 176.78.16.80 176.78.16.81 176.78.16.82 176.78.16.83 176.78.16.84 176.78.16.85 176.78.16.86 176.78.16.87 176.78.16.88 176.78.16.89 176.78.16.90 176.78.16.91 176.78.16.92 176.78.16.93 176.78.16.94 176.78.16.95 176.78.16.96 176.78.16.97 176.78.16.98 176.78.16.99 176.78.16.100 176.78.16.101 176.78.16.102 176.78.16.103 176.78.16.104 176.78.16.105 176.78.16.106 176.78.16.107 176.78.16.108 176.78.16.109 176.78.16.110 176.78.16.111 176.78.16.112 176.78.16.113 176.78.16.114 176.78.16.115 176.78.16.116 176.78.16.117 176.78.16.118 176.78.16.119 176.78.16.120 176.78.16.121 176.78.16.122 176.78.16.123 176.78.16.124 176.78.16.125 176.78.16.126 176.78.16.127 176.78.16.128 176.78.16.129 176.78.16.130 176.78.16.131 176.78.16.132 176.78.16.133 176.78.16.134 176.78.16.135 176.78.16.136 176.78.16.137 176.78.16.138 176.78.16.139 176.78.16.140 176.78.16.141 176.78.16.142 176.78.16.143 176.78.16.144 176.78.16.145 176.78.16.146 176.78.16.147 176.78.16.148 176.78.16.149 176.78.16.150 176.78.16.151 176.78.16.152 176.78.16.153 176.78.16.154 176.78.16.155 176.78.16.156 176.78.16.157 176.78.16.158 176.78.16.159 176.78.16.160 176.78.16.161 176.78.16.162 176.78.16.163 176.78.16.164 176.78.16.165 176.78.16.166 176.78.16.167 176.78.16.168 176.78.16.169 176.78.16.170 176.78.16.171 176.78.16.172 176.78.16.173 176.78.16.174 176.78.16.175 176.78.16.176 176.78.16.177 176.78.16.178 176.78.16.179 176.78.16.180 176.78.16.181 176.78.16.182 176.78.16.183 176.78.16.184 176.78.16.185 176.78.16.186 176.78.16.187 176.78.16.188 176.78.16.189 176.78.16.190 176.78.16.191 176.78.16.192 176.78.16.193 176.78.16.194 176.78.16.195 176.78.16.196 176.78.16.197 176.78.16.198 176.78.16.199 176.78.16.200 176.78.16.201 176.78.16.202 176.78.16.203 176.78.16.204 176.78.16.205 176.78.16.206 176.78.16.207 176.78.16.208 176.78.16.209 176.78.16.210 176.78.16.211 176.78.16.212 176.78.16.213 176.78.16.214 176.78.16.215 176.78.16.216 176.78.16.217 176.78.16.218 176.78.16.219 176.78.16.220 176.78.16.221 176.78.16.222 176.78.16.223 176.78.16.224 176.78.16.225 176.78.16.226 176.78.16.227 176.78.16.228 176.78.16.229 176.78.16.230 176.78.16.231 176.78.16.232 176.78.16.233 176.78.16.234 176.78.16.235 176.78.16.236 176.78.16.237 176.78.16.238 176.78.16.239 176.78.16.240 176.78.16.241 176.78.16.242 176.78.16.243 176.78.16.244 176.78.16.245 176.78.16.246 176.78.16.247 176.78.16.248 176.78.16.249 176.78.16.250 176.78.16.251 176.78.16.252 176.78.16.253 176.78.16.254 176.78.16.255 + 3.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 176.78.0.0/15.

Announced prefix
176.78.0.0/15
Origin AS
AS3243
Announcement samples
3,198
Last seen
2026-07-19 18:02:48

Frequently Asked Questions

What is 176.78.16.0/20?

176.78.16.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 176.78.16.0 to 176.78.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 176.78.16.0/20 network?

The 176.78.16.0/20 range is allocated to Servicos De Comunicacoes E Multimedia S.A. and announced via AS3243 from Portugal.

Last updated: 2026-07-19 18:25:31 UTC
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