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CIDR Range

189.90.236.0/23

512 IPs /23 ISUPER TELECOMUNICACOES INFO LTDA AS263579 Brazil LACNIC
Addresses
512
512
IP Range
189.90.236.0
→ 189.90.237.255
Sub-ranges
2+
within this block
PTR Density
100.0%
512 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.

75/100
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 189.90.236.0/23

CIDRIPsOrganizationASNCountry
189.90.236.0/24 256 ISUPER TELECOMUNICACOES INFO LTDA AS263579 BR
189.90.237.0/24 256 ISUPER TELECOMUNICACOES INFO LTDA AS263579 BR

Geolocation

First 256 of 512 IP addresses in 189.90.236.0/23

189.90.236.0 189.90.236.1 189.90.236.2 189.90.236.3 189.90.236.4 189.90.236.5 189.90.236.6 189.90.236.7 189.90.236.8 189.90.236.9 189.90.236.10 189.90.236.11 189.90.236.12 189.90.236.13 189.90.236.14 189.90.236.15 189.90.236.16 189.90.236.17 189.90.236.18 189.90.236.19 189.90.236.20 189.90.236.21 189.90.236.22 189.90.236.23 189.90.236.24 189.90.236.25 189.90.236.26 189.90.236.27 189.90.236.28 189.90.236.29 189.90.236.30 189.90.236.31 189.90.236.32 189.90.236.33 189.90.236.34 189.90.236.35 189.90.236.36 189.90.236.37 189.90.236.38 189.90.236.39 189.90.236.40 189.90.236.41 189.90.236.42 189.90.236.43 189.90.236.44 189.90.236.45 189.90.236.46 189.90.236.47 189.90.236.48 189.90.236.49 189.90.236.50 189.90.236.51 189.90.236.52 189.90.236.53 189.90.236.54 189.90.236.55 189.90.236.56 189.90.236.57 189.90.236.58 189.90.236.59 189.90.236.60 189.90.236.61 189.90.236.62 189.90.236.63 189.90.236.64 189.90.236.65 189.90.236.66 189.90.236.67 189.90.236.68 189.90.236.69 189.90.236.70 189.90.236.71 189.90.236.72 189.90.236.73 189.90.236.74 189.90.236.75 189.90.236.76 189.90.236.77 189.90.236.78 189.90.236.79 189.90.236.80 189.90.236.81 189.90.236.82 189.90.236.83 189.90.236.84 189.90.236.85 189.90.236.86 189.90.236.87 189.90.236.88 189.90.236.89 189.90.236.90 189.90.236.91 189.90.236.92 189.90.236.93 189.90.236.94 189.90.236.95 189.90.236.96 189.90.236.97 189.90.236.98 189.90.236.99 189.90.236.100 189.90.236.101 189.90.236.102 189.90.236.103 189.90.236.104 189.90.236.105 189.90.236.106 189.90.236.107 189.90.236.108 189.90.236.109 189.90.236.110 189.90.236.111 189.90.236.112 189.90.236.113 189.90.236.114 189.90.236.115 189.90.236.116 189.90.236.117 189.90.236.118 189.90.236.119 189.90.236.120 189.90.236.121 189.90.236.122 189.90.236.123 189.90.236.124 189.90.236.125 189.90.236.126 189.90.236.127 189.90.236.128 189.90.236.129 189.90.236.130 189.90.236.131 189.90.236.132 189.90.236.133 189.90.236.134 189.90.236.135 189.90.236.136 189.90.236.137 189.90.236.138 189.90.236.139 189.90.236.140 189.90.236.141 189.90.236.142 189.90.236.143 189.90.236.144 189.90.236.145 189.90.236.146 189.90.236.147 189.90.236.148 189.90.236.149 189.90.236.150 189.90.236.151 189.90.236.152 189.90.236.153 189.90.236.154 189.90.236.155 189.90.236.156 189.90.236.157 189.90.236.158 189.90.236.159 189.90.236.160 189.90.236.161 189.90.236.162 189.90.236.163 189.90.236.164 189.90.236.165 189.90.236.166 189.90.236.167 189.90.236.168 189.90.236.169 189.90.236.170 189.90.236.171 189.90.236.172 189.90.236.173 189.90.236.174 189.90.236.175 189.90.236.176 189.90.236.177 189.90.236.178 189.90.236.179 189.90.236.180 189.90.236.181 189.90.236.182 189.90.236.183 189.90.236.184 189.90.236.185 189.90.236.186 189.90.236.187 189.90.236.188 189.90.236.189 189.90.236.190 189.90.236.191 189.90.236.192 189.90.236.193 189.90.236.194 189.90.236.195 189.90.236.196 189.90.236.197 189.90.236.198 189.90.236.199 189.90.236.200 189.90.236.201 189.90.236.202 189.90.236.203 189.90.236.204 189.90.236.205 189.90.236.206 189.90.236.207 189.90.236.208 189.90.236.209 189.90.236.210 189.90.236.211 189.90.236.212 189.90.236.213 189.90.236.214 189.90.236.215 189.90.236.216 189.90.236.217 189.90.236.218 189.90.236.219 189.90.236.220 189.90.236.221 189.90.236.222 189.90.236.223 189.90.236.224 189.90.236.225 189.90.236.226 189.90.236.227 189.90.236.228 189.90.236.229 189.90.236.230 189.90.236.231 189.90.236.232 189.90.236.233 189.90.236.234 189.90.236.235 189.90.236.236 189.90.236.237 189.90.236.238 189.90.236.239 189.90.236.240 189.90.236.241 189.90.236.242 189.90.236.243 189.90.236.244 189.90.236.245 189.90.236.246 189.90.236.247 189.90.236.248 189.90.236.249 189.90.236.250 189.90.236.251 189.90.236.252 189.90.236.253 189.90.236.254 189.90.236.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 189.90.236.0/22.

Announced prefix
189.90.236.0/22
Origin AS
AS263579
Announcement samples
20,203
Last seen
2026-07-23 12:36:45

Frequently Asked Questions

What is 189.90.236.0/23?

189.90.236.0/23 is a CIDR network block containing 512 IPv4 addresses (from 189.90.236.0 to 189.90.237.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 189.90.236.0/23 network?

The 189.90.236.0/23 range is allocated to ISUPER TELECOMUNICACOES INFO LTDA and announced via AS263579 from Brazil.

Last updated: 2026-07-23 13:10:32 UTC
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