Summary
| ASN | AS17511 OPTAGE Inc. |
| BGP | 192.51.144.0/21 |
| IPs with RDNS | 240 |
| Hosted Domains | 0 |
| Pingable IPs | 51 |
| Router IPs | 0 |
| 192.51.148.0 | — | 0 |  | |
| 192.51.148.1 | — | 0 |  | |
| 192.51.148.2 | base1.mail.digivery.jp | 0 | | |
| 192.51.148.3 | relay3.mail.digivery.jp | 0 | | |
| 192.51.148.4 | — | 0 | | |
| 192.51.148.5 | relay1.mail.digivery.jp | 0 | | |
| 192.51.148.6 | ml.mail.digivery.jp | 0 | | |
| 192.51.148.7 | avspam.mail.digivery.jp | 0 | | |
| 192.51.148.8 | relay5.mail.digivery.jp | 0 | | |
| 192.51.148.9 | exp.digivery.jp | 0 | | |
| 192.51.148.10 | — | 0 | | |
| 192.51.148.11 | — | 0 | | |
| 192.51.148.12 | — | 0 | | |
| 192.51.148.13 | — | 0 | | |
| 192.51.148.14 | cp.digivery.jp | 0 | | |
| 192.51.148.15 | — | 0 | | |
| 192.51.148.16 | — | 0 | | |
| 192.51.148.17 | — | 0 | | |
| 192.51.148.18 | base2.mail.digivery.jp | 0 | | |
| 192.51.148.19 | ds1.digivery.jp | 0 | | |
| 192.51.148.20 | mailbox.mail.digivery.jp | 0 | | |
| 192.51.148.21 | relay4.mail.digivery.jp | 0 | | |
| 192.51.148.22 | relay2.mail.digivery.jp | 0 | | |
| 192.51.148.23 | ds2.digivery.jp | 0 | | |
| 192.51.148.24 | relay6.mail.digivery.jp | 0 | | |
| 192.51.148.25 | relay2.mail.digivery.jp | 0 | | |
| 192.51.148.26 | — | 0 | | |
| 192.51.148.27 | ds2.digivery.jp | 0 | | |
| 192.51.148.28 | — | 0 | | |
| 192.51.148.29 | — | 0 | | |
| 192.51.148.30 | — | 0 | | |
| 192.51.148.31 | — | 0 | | |
| 192.51.148.32 | — | 0 | | |
| 192.51.148.33 | blank033.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.34 | blank034.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.35 | blank035.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.36 | blank036.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.37 | blank037.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.38 | blank038.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.39 | blank039.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.40 | blank040.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.41 | blank041.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.42 | blank042.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.43 | blank043.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.44 | blank044.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.45 | blank045.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.46 | blank046.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.47 | blank047.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.48 | blank048.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.49 | blank049.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.50 | blank050.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.51 | blank051.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.52 | blank052.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.53 | blank053.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.54 | blank054.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.55 | blank055.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.56 | blank056.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.57 | blank057.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.58 | blank058.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.59 | blank059.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.60 | blank060.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.61 | blank061.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.62 | blank062.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.63 | blank063.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.64 | blank064.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.65 | blank065.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.66 | blank066.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.67 | blank067.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.68 | blank068.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.69 | blank069.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.70 | blank070.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.71 | blank071.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.72 | blank072.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.73 | blank073.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.74 | blank074.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.75 | blank075.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.76 | blank076.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.77 | blank077.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.78 | blank078.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.79 | blank079.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.80 | blank080.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.81 | blank081.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.82 | blank082.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.83 | blank083.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.84 | blank084.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.85 | blank085.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.86 | blank086.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.87 | blank087.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.88 | blank088.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.89 | blank089.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.90 | blank090.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.91 | blank091.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.92 | blank092.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.93 | blank093.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.94 | blank094.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.95 | blank095.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.96 | blank096.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.97 | blank097.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.98 | blank098.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.99 | blank099.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.100 | blank100.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.101 | blank101.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.102 | blank102.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.103 | blank103.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.104 | blank104.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.105 | blank105.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.106 | blank106.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.107 | blank107.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.108 | blank108.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.109 | blank109.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.110 | blank110.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.111 | blank111.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.112 | blank112.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.113 | blank113.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.114 | blank114.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.115 | blank115.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.116 | blank116.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.117 | blank117.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.118 | blank118.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.119 | blank119.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.120 | blank120.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.121 | blank121.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.122 | blank122.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.123 | blank123.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.124 | blank124.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.125 | blank125.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.126 | blank126.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.127 | blank127.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.128 | labo4f3-128.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.129 | labo4f3-129.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.130 | labo4f3-130.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.131 | vc1.clealink.jp | 0 | | |
| 192.51.148.132 | vc2.clealink.jp | 0 | | |
| 192.51.148.133 | vc3.clealink.jp | 0 | | |
| 192.51.148.134 | vc4.clealink.jp | 0 | | |
| 192.51.148.135 | labo4f3-135.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.136 | l4e07-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.137 | l4e07-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.138 | l4e07-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.139 | l4e07-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.140 | l4e08-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.141 | l4e08-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.142 | l4e08-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.143 | l4e08-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.144 | l4e09-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.145 | l4e09-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.146 | l4e09-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.147 | l4e09-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.148 | l4e10-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.149 | l4e10-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.150 | l4e10-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.151 | l4e10-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.152 | l4e11-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.153 | l4e11-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.154 | l4e11-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.155 | l4e11-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.156 | l4e12-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.157 | l4e12-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.158 | l4e12-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.159 | l4e12-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.160 | l4e13-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.161 | l4e13-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.162 | l4e13-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.163 | l4e13-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.164 | l4e14-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.165 | l4e14-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.166 | l4e14-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.167 | l4e14-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.168 | l4e15-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.169 | l4e15-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.170 | l4e15-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.171 | l4e15-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.172 | l4e16-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.173 | l4e16-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.174 | l4e16-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.175 | l4e16-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.176 | l4e17-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.177 | l4e17-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.178 | l4e17-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.179 | l4e17-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.180 | l4e18-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.181 | l4e18-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.182 | l4e18-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.183 | l4e18-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.184 | l4e19-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.185 | l4e19-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.186 | l4e19-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.187 | l4e19-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.188 | l4e20-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.189 | l4e20-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.190 | l4e20-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.191 | l4e20-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.192 | l4e21-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.193 | l4e21-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.194 | l4e21-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.195 | l4e21-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.196 | l4e22-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.197 | l4e22-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.198 | l4e22-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.199 | l4e22-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.200 | l4e23-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.201 | l4e23-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.202 | l4e23-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.203 | l4e23-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.204 | l4e24-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.205 | l4e24-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.206 | l4e24-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.207 | l4e24-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.208 | l2e13-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.209 | l2e13-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.210 | l2e13-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.211 | l2e13-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.212 | l2e14-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.213 | l2e14-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.214 | l2e14-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.215 | l2e14-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.216 | l2e15-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.217 | l2e15-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.218 | l2e15-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.219 | l2e15-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.220 | l2e16-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.221 | l2e16-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.222 | l2e16-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.223 | l2e16-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.224 | l2e17-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.225 | l2e17-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.226 | l2e17-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.227 | l2e17-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.228 | l2e18-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.229 | l2e18-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.230 | l2e18-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.231 | l2e18-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.232 | l2e19-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.233 | l2e19-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.234 | l2e19-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.235 | l2e19-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.236 | l2e20-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.237 | l2e20-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.238 | l2e20-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.239 | l2e20-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.240 | l2e21-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.241 | l2e21-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.242 | l2e21-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.243 | l2e21-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.244 | l2e22-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.245 | l2e22-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.246 | l2e22-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.247 | l2e22-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.248 | l2e23-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.249 | l2e23-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.250 | l2e23-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.251 | l2e23-bc.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.252 | l2e24-net.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.253 | l2e24-gw.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.254 | l2e24-usr.subnet148.keihanna.ne.jp | 0 | | |
| 192.51.148.255 | l2e24-bc.subnet148.keihanna.ne.jp | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f6 192.51.148.18
traceroute to 192.51.148.18 (192.51.148.18): 64 hops max, 52 byte packets
10 *
Measurement taken from 
IPinfo ProbeNet in Osaka, JP
IPinfo ProbeNet in Osaka, JPOn