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CIDR Range

112.71.0.0/16

65.5K IPs /16 OPTAGE Inc. AS17511 Japan APNIC
Addresses
65,536
65.5K
IP Range
112.71.0.0
→ 112.71.255.255
Sub-ranges
15+
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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 112.71.0.0/16

CIDRIPsOrganizationASNCountry
112.71.192.0/19 8.2K OPTAGE Inc. AS17511 JP
112.71.0.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.224.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.176.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.160.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.144.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.128.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.112.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.96.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.80.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.64.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.48.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.32.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.16.0/20 4.1K OPTAGE Inc. AS17511 JP
112.71.240.0/20 4.1K OPTAGE Inc. AS17511 JP

First 256 of 65,536 IP addresses in 112.71.0.0/16

112.71.0.0 112.71.0.1 112.71.0.2 112.71.0.3 112.71.0.4 112.71.0.5 112.71.0.6 112.71.0.7 112.71.0.8 112.71.0.9 112.71.0.10 112.71.0.11 112.71.0.12 112.71.0.13 112.71.0.14 112.71.0.15 112.71.0.16 112.71.0.17 112.71.0.18 112.71.0.19 112.71.0.20 112.71.0.21 112.71.0.22 112.71.0.23 112.71.0.24 112.71.0.25 112.71.0.26 112.71.0.27 112.71.0.28 112.71.0.29 112.71.0.30 112.71.0.31 112.71.0.32 112.71.0.33 112.71.0.34 112.71.0.35 112.71.0.36 112.71.0.37 112.71.0.38 112.71.0.39 112.71.0.40 112.71.0.41 112.71.0.42 112.71.0.43 112.71.0.44 112.71.0.45 112.71.0.46 112.71.0.47 112.71.0.48 112.71.0.49 112.71.0.50 112.71.0.51 112.71.0.52 112.71.0.53 112.71.0.54 112.71.0.55 112.71.0.56 112.71.0.57 112.71.0.58 112.71.0.59 112.71.0.60 112.71.0.61 112.71.0.62 112.71.0.63 112.71.0.64 112.71.0.65 112.71.0.66 112.71.0.67 112.71.0.68 112.71.0.69 112.71.0.70 112.71.0.71 112.71.0.72 112.71.0.73 112.71.0.74 112.71.0.75 112.71.0.76 112.71.0.77 112.71.0.78 112.71.0.79 112.71.0.80 112.71.0.81 112.71.0.82 112.71.0.83 112.71.0.84 112.71.0.85 112.71.0.86 112.71.0.87 112.71.0.88 112.71.0.89 112.71.0.90 112.71.0.91 112.71.0.92 112.71.0.93 112.71.0.94 112.71.0.95 112.71.0.96 112.71.0.97 112.71.0.98 112.71.0.99 112.71.0.100 112.71.0.101 112.71.0.102 112.71.0.103 112.71.0.104 112.71.0.105 112.71.0.106 112.71.0.107 112.71.0.108 112.71.0.109 112.71.0.110 112.71.0.111 112.71.0.112 112.71.0.113 112.71.0.114 112.71.0.115 112.71.0.116 112.71.0.117 112.71.0.118 112.71.0.119 112.71.0.120 112.71.0.121 112.71.0.122 112.71.0.123 112.71.0.124 112.71.0.125 112.71.0.126 112.71.0.127 112.71.0.128 112.71.0.129 112.71.0.130 112.71.0.131 112.71.0.132 112.71.0.133 112.71.0.134 112.71.0.135 112.71.0.136 112.71.0.137 112.71.0.138 112.71.0.139 112.71.0.140 112.71.0.141 112.71.0.142 112.71.0.143 112.71.0.144 112.71.0.145 112.71.0.146 112.71.0.147 112.71.0.148 112.71.0.149 112.71.0.150 112.71.0.151 112.71.0.152 112.71.0.153 112.71.0.154 112.71.0.155 112.71.0.156 112.71.0.157 112.71.0.158 112.71.0.159 112.71.0.160 112.71.0.161 112.71.0.162 112.71.0.163 112.71.0.164 112.71.0.165 112.71.0.166 112.71.0.167 112.71.0.168 112.71.0.169 112.71.0.170 112.71.0.171 112.71.0.172 112.71.0.173 112.71.0.174 112.71.0.175 112.71.0.176 112.71.0.177 112.71.0.178 112.71.0.179 112.71.0.180 112.71.0.181 112.71.0.182 112.71.0.183 112.71.0.184 112.71.0.185 112.71.0.186 112.71.0.187 112.71.0.188 112.71.0.189 112.71.0.190 112.71.0.191 112.71.0.192 112.71.0.193 112.71.0.194 112.71.0.195 112.71.0.196 112.71.0.197 112.71.0.198 112.71.0.199 112.71.0.200 112.71.0.201 112.71.0.202 112.71.0.203 112.71.0.204 112.71.0.205 112.71.0.206 112.71.0.207 112.71.0.208 112.71.0.209 112.71.0.210 112.71.0.211 112.71.0.212 112.71.0.213 112.71.0.214 112.71.0.215 112.71.0.216 112.71.0.217 112.71.0.218 112.71.0.219 112.71.0.220 112.71.0.221 112.71.0.222 112.71.0.223 112.71.0.224 112.71.0.225 112.71.0.226 112.71.0.227 112.71.0.228 112.71.0.229 112.71.0.230 112.71.0.231 112.71.0.232 112.71.0.233 112.71.0.234 112.71.0.235 112.71.0.236 112.71.0.237 112.71.0.238 112.71.0.239 112.71.0.240 112.71.0.241 112.71.0.242 112.71.0.243 112.71.0.244 112.71.0.245 112.71.0.246 112.71.0.247 112.71.0.248 112.71.0.249 112.71.0.250 112.71.0.251 112.71.0.252 112.71.0.253 112.71.0.254 112.71.0.255 + 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 112.68.0.0/14.

Announced prefix
112.68.0.0/14
Origin AS
AS17511
Announcement samples
17,407
Last seen
2026-10-17 19:02:16

Frequently Asked Questions

What is 112.71.0.0/16?

112.71.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 112.71.0.0 to 112.71.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 112.71.0.0/16 network?

The 112.71.0.0/16 range is allocated to OPTAGE Inc. and announced via AS17511 from Japan.

Last updated: 2026-10-17 21:09:05 UTC
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