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CIDR Range

58.189.0.0/16

65.5K IPs /16 OPTAGE Inc. AS17511 Japan APNIC
Addresses
65,536
65.5K
IP Range
58.189.0.0
→ 58.189.255.255
Sub-ranges
22+
within this block
PTR Density
100.0%
65.5K of 65.5K 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.

80/100
Trusted
How this score is built

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

Ranges inside 58.189.0.0/16

CIDRIPsOrganizationASNCountry
58.189.192.0/19 8.2K OPTAGE Inc. AS17511 JP
58.189.32.0/19 8.2K OPTAGE Inc. AS17511 JP
58.189.0.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.208.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.192.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.176.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.160.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.144.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.128.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.240.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.112.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.96.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.80.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.64.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.48.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.32.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.16.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.224.0/20 4.1K OPTAGE Inc. AS17511 JP
58.189.240.0/21 2.0K OPTAGE Inc. AS17511 JP
58.189.136.0/21 2.0K OPTAGE Inc. AS17511 JP
58.189.128.0/21 2.0K OPTAGE Inc. AS17511 JP
58.189.248.0/21 2.0K OPTAGE Inc. AS17511 JP

Geolocation

First 256 of 65,536 IP addresses in 58.189.0.0/16

58.189.0.0 58.189.0.1 58.189.0.2 58.189.0.3 58.189.0.4 58.189.0.5 58.189.0.6 58.189.0.7 58.189.0.8 58.189.0.9 58.189.0.10 58.189.0.11 58.189.0.12 58.189.0.13 58.189.0.14 58.189.0.15 58.189.0.16 58.189.0.17 58.189.0.18 58.189.0.19 58.189.0.20 58.189.0.21 58.189.0.22 58.189.0.23 58.189.0.24 58.189.0.25 58.189.0.26 58.189.0.27 58.189.0.28 58.189.0.29 58.189.0.30 58.189.0.31 58.189.0.32 58.189.0.33 58.189.0.34 58.189.0.35 58.189.0.36 58.189.0.37 58.189.0.38 58.189.0.39 58.189.0.40 58.189.0.41 58.189.0.42 58.189.0.43 58.189.0.44 58.189.0.45 58.189.0.46 58.189.0.47 58.189.0.48 58.189.0.49 58.189.0.50 58.189.0.51 58.189.0.52 58.189.0.53 58.189.0.54 58.189.0.55 58.189.0.56 58.189.0.57 58.189.0.58 58.189.0.59 58.189.0.60 58.189.0.61 58.189.0.62 58.189.0.63 58.189.0.64 58.189.0.65 58.189.0.66 58.189.0.67 58.189.0.68 58.189.0.69 58.189.0.70 58.189.0.71 58.189.0.72 58.189.0.73 58.189.0.74 58.189.0.75 58.189.0.76 58.189.0.77 58.189.0.78 58.189.0.79 58.189.0.80 58.189.0.81 58.189.0.82 58.189.0.83 58.189.0.84 58.189.0.85 58.189.0.86 58.189.0.87 58.189.0.88 58.189.0.89 58.189.0.90 58.189.0.91 58.189.0.92 58.189.0.93 58.189.0.94 58.189.0.95 58.189.0.96 58.189.0.97 58.189.0.98 58.189.0.99 58.189.0.100 58.189.0.101 58.189.0.102 58.189.0.103 58.189.0.104 58.189.0.105 58.189.0.106 58.189.0.107 58.189.0.108 58.189.0.109 58.189.0.110 58.189.0.111 58.189.0.112 58.189.0.113 58.189.0.114 58.189.0.115 58.189.0.116 58.189.0.117 58.189.0.118 58.189.0.119 58.189.0.120 58.189.0.121 58.189.0.122 58.189.0.123 58.189.0.124 58.189.0.125 58.189.0.126 58.189.0.127 58.189.0.128 58.189.0.129 58.189.0.130 58.189.0.131 58.189.0.132 58.189.0.133 58.189.0.134 58.189.0.135 58.189.0.136 58.189.0.137 58.189.0.138 58.189.0.139 58.189.0.140 58.189.0.141 58.189.0.142 58.189.0.143 58.189.0.144 58.189.0.145 58.189.0.146 58.189.0.147 58.189.0.148 58.189.0.149 58.189.0.150 58.189.0.151 58.189.0.152 58.189.0.153 58.189.0.154 58.189.0.155 58.189.0.156 58.189.0.157 58.189.0.158 58.189.0.159 58.189.0.160 58.189.0.161 58.189.0.162 58.189.0.163 58.189.0.164 58.189.0.165 58.189.0.166 58.189.0.167 58.189.0.168 58.189.0.169 58.189.0.170 58.189.0.171 58.189.0.172 58.189.0.173 58.189.0.174 58.189.0.175 58.189.0.176 58.189.0.177 58.189.0.178 58.189.0.179 58.189.0.180 58.189.0.181 58.189.0.182 58.189.0.183 58.189.0.184 58.189.0.185 58.189.0.186 58.189.0.187 58.189.0.188 58.189.0.189 58.189.0.190 58.189.0.191 58.189.0.192 58.189.0.193 58.189.0.194 58.189.0.195 58.189.0.196 58.189.0.197 58.189.0.198 58.189.0.199 58.189.0.200 58.189.0.201 58.189.0.202 58.189.0.203 58.189.0.204 58.189.0.205 58.189.0.206 58.189.0.207 58.189.0.208 58.189.0.209 58.189.0.210 58.189.0.211 58.189.0.212 58.189.0.213 58.189.0.214 58.189.0.215 58.189.0.216 58.189.0.217 58.189.0.218 58.189.0.219 58.189.0.220 58.189.0.221 58.189.0.222 58.189.0.223 58.189.0.224 58.189.0.225 58.189.0.226 58.189.0.227 58.189.0.228 58.189.0.229 58.189.0.230 58.189.0.231 58.189.0.232 58.189.0.233 58.189.0.234 58.189.0.235 58.189.0.236 58.189.0.237 58.189.0.238 58.189.0.239 58.189.0.240 58.189.0.241 58.189.0.242 58.189.0.243 58.189.0.244 58.189.0.245 58.189.0.246 58.189.0.247 58.189.0.248 58.189.0.249 58.189.0.250 58.189.0.251 58.189.0.252 58.189.0.253 58.189.0.254 58.189.0.255 + 65.3K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 58.188.0.0/14.

Announced prefix
58.188.0.0/14
Origin AS
AS17511
Announcement samples
5,891
Last seen
2026-07-23 15:08:59

Frequently Asked Questions

What is 58.189.0.0/16?

58.189.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 58.189.0.0 to 58.189.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 58.189.0.0/16 network?

The 58.189.0.0/16 range is allocated to OPTAGE Inc. and announced via AS17511 from Japan.

Last updated: 2026-07-23 15:40:31 UTC
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