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CIDR Range

177.158.64.0/20

4.1K IPs /20 TELEFONICA BRASIL S.A AS18881 Brazil LACNIC
Addresses
4,096
4.1K
IP Range
177.158.64.0
→ 177.158.79.255
Sub-ranges
6+
within this block
PTR Density
100.0%
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.

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 177.158.64.0/20

CIDRIPsOrganizationASNCountry
177.158.64.0/21 2.0K TELEFONICA BRASIL S.A AS18881 BR
177.158.72.0/22 1.0K TELEFONICA BRASIL S.A AS18881 BR
177.158.76.0/22 1.0K TELEFONICA BRASIL S.A AS18881 BR
177.158.78.0/23 512 TELEFONICA BRASIL S.A AS18881 BR
177.158.76.0/24 256 TELEFONICA BRASIL S.A AS18881 BR
177.158.77.0/24 256 TELEFONICA BRASIL S.A AS18881 BR

First 256 of 4,096 IP addresses in 177.158.64.0/20

177.158.64.0 177.158.64.1 177.158.64.2 177.158.64.3 177.158.64.4 177.158.64.5 177.158.64.6 177.158.64.7 177.158.64.8 177.158.64.9 177.158.64.10 177.158.64.11 177.158.64.12 177.158.64.13 177.158.64.14 177.158.64.15 177.158.64.16 177.158.64.17 177.158.64.18 177.158.64.19 177.158.64.20 177.158.64.21 177.158.64.22 177.158.64.23 177.158.64.24 177.158.64.25 177.158.64.26 177.158.64.27 177.158.64.28 177.158.64.29 177.158.64.30 177.158.64.31 177.158.64.32 177.158.64.33 177.158.64.34 177.158.64.35 177.158.64.36 177.158.64.37 177.158.64.38 177.158.64.39 177.158.64.40 177.158.64.41 177.158.64.42 177.158.64.43 177.158.64.44 177.158.64.45 177.158.64.46 177.158.64.47 177.158.64.48 177.158.64.49 177.158.64.50 177.158.64.51 177.158.64.52 177.158.64.53 177.158.64.54 177.158.64.55 177.158.64.56 177.158.64.57 177.158.64.58 177.158.64.59 177.158.64.60 177.158.64.61 177.158.64.62 177.158.64.63 177.158.64.64 177.158.64.65 177.158.64.66 177.158.64.67 177.158.64.68 177.158.64.69 177.158.64.70 177.158.64.71 177.158.64.72 177.158.64.73 177.158.64.74 177.158.64.75 177.158.64.76 177.158.64.77 177.158.64.78 177.158.64.79 177.158.64.80 177.158.64.81 177.158.64.82 177.158.64.83 177.158.64.84 177.158.64.85 177.158.64.86 177.158.64.87 177.158.64.88 177.158.64.89 177.158.64.90 177.158.64.91 177.158.64.92 177.158.64.93 177.158.64.94 177.158.64.95 177.158.64.96 177.158.64.97 177.158.64.98 177.158.64.99 177.158.64.100 177.158.64.101 177.158.64.102 177.158.64.103 177.158.64.104 177.158.64.105 177.158.64.106 177.158.64.107 177.158.64.108 177.158.64.109 177.158.64.110 177.158.64.111 177.158.64.112 177.158.64.113 177.158.64.114 177.158.64.115 177.158.64.116 177.158.64.117 177.158.64.118 177.158.64.119 177.158.64.120 177.158.64.121 177.158.64.122 177.158.64.123 177.158.64.124 177.158.64.125 177.158.64.126 177.158.64.127 177.158.64.128 177.158.64.129 177.158.64.130 177.158.64.131 177.158.64.132 177.158.64.133 177.158.64.134 177.158.64.135 177.158.64.136 177.158.64.137 177.158.64.138 177.158.64.139 177.158.64.140 177.158.64.141 177.158.64.142 177.158.64.143 177.158.64.144 177.158.64.145 177.158.64.146 177.158.64.147 177.158.64.148 177.158.64.149 177.158.64.150 177.158.64.151 177.158.64.152 177.158.64.153 177.158.64.154 177.158.64.155 177.158.64.156 177.158.64.157 177.158.64.158 177.158.64.159 177.158.64.160 177.158.64.161 177.158.64.162 177.158.64.163 177.158.64.164 177.158.64.165 177.158.64.166 177.158.64.167 177.158.64.168 177.158.64.169 177.158.64.170 177.158.64.171 177.158.64.172 177.158.64.173 177.158.64.174 177.158.64.175 177.158.64.176 177.158.64.177 177.158.64.178 177.158.64.179 177.158.64.180 177.158.64.181 177.158.64.182 177.158.64.183 177.158.64.184 177.158.64.185 177.158.64.186 177.158.64.187 177.158.64.188 177.158.64.189 177.158.64.190 177.158.64.191 177.158.64.192 177.158.64.193 177.158.64.194 177.158.64.195 177.158.64.196 177.158.64.197 177.158.64.198 177.158.64.199 177.158.64.200 177.158.64.201 177.158.64.202 177.158.64.203 177.158.64.204 177.158.64.205 177.158.64.206 177.158.64.207 177.158.64.208 177.158.64.209 177.158.64.210 177.158.64.211 177.158.64.212 177.158.64.213 177.158.64.214 177.158.64.215 177.158.64.216 177.158.64.217 177.158.64.218 177.158.64.219 177.158.64.220 177.158.64.221 177.158.64.222 177.158.64.223 177.158.64.224 177.158.64.225 177.158.64.226 177.158.64.227 177.158.64.228 177.158.64.229 177.158.64.230 177.158.64.231 177.158.64.232 177.158.64.233 177.158.64.234 177.158.64.235 177.158.64.236 177.158.64.237 177.158.64.238 177.158.64.239 177.158.64.240 177.158.64.241 177.158.64.242 177.158.64.243 177.158.64.244 177.158.64.245 177.158.64.246 177.158.64.247 177.158.64.248 177.158.64.249 177.158.64.250 177.158.64.251 177.158.64.252 177.158.64.253 177.158.64.254 177.158.64.255 + 3.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
177.158.64.0/20
Origin AS
AS18881
Announcement samples
4,859
Last seen
2026-07-23 18:57:04

Frequently Asked Questions

What is 177.158.64.0/20?

177.158.64.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 177.158.64.0 to 177.158.79.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 177.158.64.0/20 network?

The 177.158.64.0/20 range is allocated to TELEFONICA BRASIL S.A and announced via AS18881 from Brazil.

Last updated: 2026-07-23 19:10:33 UTC
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