Summary
| ASN | AS2907 Research Organization of Information and Systems, National Institute of Informatics |
| BGP | 202.231.0.0/18 |
| IPs with RDNS | 212 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 202.231.31.0 | buil1-2net.nias.ac.jp | 0 |  | |
| 202.231.31.1 | cishin.ship.nias.ac.jp | 0 | | |
| 202.231.31.2 | machaya.ship.nias.ac.jp | 0 | | |
| 202.231.31.3 | hphaya.ship.nias.ac.jp | 0 | | |
| 202.231.31.4 | hpisi.ship.nias.ac.jp | 0 | | |
| 202.231.31.5 | macnose1.ship.nias.ac.jp | 0 | | |
| 202.231.31.6 | hpnose1.ship.nias.ac.jp | 0 | | |
| 202.231.31.7 | — | 0 | | |
| 202.231.31.8 | cfd6-1.ship.nias.ac.jp | 0 | | |
| 202.231.31.9 | cfd6-2.ship.nias.ac.jp | 0 | | |
| 202.231.31.10 | sp10.ship.nias.ac.jp | 0 | | |
| 202.231.31.11 | psf.ship.nias.ac.jp | 0 | | |
| 202.231.31.12 | — | 0 | | |
| 202.231.31.13 | shinci.ship.nias.ac.jp | 0 | | |
| 202.231.31.14 | exnose.ship.nias.ac.jp | 0 | | |
| 202.231.31.15 | yamato.ship.nias.ac.jp | 0 | | |
| 202.231.31.16 | matu666.ship.nias.ac.jp | 0 | | |
| 202.231.31.17 | ueda.ship.nias.ac.jp | 0 | | |
| 202.231.31.18 | mkuri.ship.nias.ac.jp | 0 | | |
| 202.231.31.19 | waki.ship.nias.ac.jp | 0 | | |
| 202.231.31.20 | cfd1.ship.nias.ac.jp | 0 | | |
| 202.231.31.21 | ibmhaya.ship.nias.ac.jp | 0 | | |
| 202.231.31.22 | nacr1.ship.nias.ac.jp | 0 | | |
| 202.231.31.23 | ship-jimu.office.nias.ac.jp | 0 | | |
| 202.231.31.24 | cfd2.ship.nias.ac.jp | 0 | | |
| 202.231.31.25 | cfd5-1.ship.nias.ac.jp | 0 | | |
| 202.231.31.26 | — | 0 | | |
| 202.231.31.27 | cfd3-1.ship.nias.ac.jp | 0 | | |
| 202.231.31.28 | cfd4-1.ship.nias.ac.jp | 0 | | |
| 202.231.31.29 | n-nicky.ship.nias.ac.jp | 0 | | |
| 202.231.31.30 | tthaya.ship.nias.ac.jp | 0 | | |
| 202.231.31.31 | korenari.ship.nias.ac.jp | 0 | | |
| 202.231.31.32 | ishikawa-pc.ship.nias.ac.jp | 0 | | |
| 202.231.31.33 | cfdm1.ship.nias.ac.jp | 0 | | |
| 202.231.31.34 | ishikawa-pc2.ship.nias.ac.jp | 0 | | |
| 202.231.31.35 | — | 0 | | |
| 202.231.31.36 | ship-win1.ship.nias.ac.jp | 0 | | |
| 202.231.31.37 | ship-win2.ship.nias.ac.jp | 0 | | |
| 202.231.31.38 | ship-win3.ship.nias.ac.jp | 0 | | |
| 202.231.31.39 | ship-win4.ship.nias.ac.jp | 0 | | |
| 202.231.31.40 | shipjob01.ship.nias.ac.jp | 0 | | |
| 202.231.31.41 | shipjob02.ship.nias.ac.jp | 0 | | |
| 202.231.31.42 | nacr3.ship.nias.ac.jp | 0 | | |
| 202.231.31.43 | nacr4.ship.nias.ac.jp | 0 | | |
| 202.231.31.44 | nacr5.ship.nias.ac.jp | 0 | | |
| 202.231.31.45 | nacr6.ship.nias.ac.jp | 0 | | |
| 202.231.31.46 | nacr7.ship.nias.ac.jp | 0 | | |
| 202.231.31.47 | nacr8.ship.nias.ac.jp | 0 | | |
| 202.231.31.48 | n-5010.ship.nias.ac.jp | 0 | | |
| 202.231.31.49 | ship-win5.ship.nias.ac.jp | 0 | | |
| 202.231.31.50 | ship-prn.ship.nias.ac.jp | 0 | | |
| 202.231.31.51 | alpha1.ship.nias.ac.jp | 0 | | |
| 202.231.31.52 | exnose1.ship.nias.ac.jp | 0 | | |
| 202.231.31.53 | exnose2.ship.nias.ac.jp | 0 | | |
| 202.231.31.54 | alpha2.ship.nias.ac.jp | 0 | | |
| 202.231.31.55 | sharpno1.ship.nias.ac.jp | 0 | | |
| 202.231.31.56 | wclee.ship.nias.ac.jp | 0 | | |
| 202.231.31.57 | dell610.ship.nias.ac.jp | 0 | | |
| 202.231.31.58 | alpha3.ship.nias.ac.jp | 0 | | |
| 202.231.31.59 | alpha4.ship.nias.ac.jp | 0 | | |
| 202.231.31.60 | msurf1.ship.nias.ac.jp | 0 | | |
| 202.231.31.61 | msurf2.ship.nias.ac.jp | 0 | | |
| 202.231.31.62 | msurf3.ship.nias.ac.jp | 0 | | |
| 202.231.31.63 | stab1.ship.nias.ac.jp | 0 | | |
| 202.231.31.64 | alpha5.ship.nias.ac.jp | 0 | | |
| 202.231.31.65 | cfd-5-1.ship.nias.ac.jp | 0 | | |
| 202.231.31.66 | hori-mac.ship.nias.ac.jp | 0 | | |
| 202.231.31.67 | hori-win.ship.nias.ac.jp | 0 | | |
| 202.231.31.68 | hori-epson.ship.nias.ac.jp | 0 | | |
| 202.231.31.69 | fish-win1.ship.nias.ac.jp | 0 | | |
| 202.231.31.70 | fish-win2.ship.nias.ac.jp | 0 | | |
| 202.231.31.71 | fish-win3.ship.nias.ac.jp | 0 | | |
| 202.231.31.72 | fish-win4.ship.nias.ac.jp | 0 | | |
| 202.231.31.73 | fish-win5.ship.nias.ac.jp | 0 | | |
| 202.231.31.74 | raul.ship.nias.ac.jp | 0 | | |
| 202.231.31.75 | fish-win6.ship.nias.ac.jp | 0 | | |
| 202.231.31.76 | fish-win7.ship.nias.ac.jp | 0 | | |
| 202.231.31.77 | fish-win8.ship.nias.ac.jp | 0 | | |
| 202.231.31.78 | ship-win6.ship.nias.ac.jp | 0 | | |
| 202.231.31.79 | ship-mac1.ship.nias.ac.jp | 0 | | |
| 202.231.31.80 | eag1998.ship.nias.ac.jp | 0 | | |
| 202.231.31.81 | zippo.ship.nias.ac.jp | 0 | | |
| 202.231.31.82 | 0105ship.ship.nias.ac.jp | 0 | | |
| 202.231.31.83 | ocean-pc.ship.nias.ac.jp | 0 | | |
| 202.231.31.84 | shigeru.ship.nias.ac.jp | 0 | | |
| 202.231.31.85 | lih.arch.nias.ac.jp | 0 | | |
| 202.231.31.86 | lihu.arch.nias.ac.jp | 0 | | |
| 202.231.31.87 | yamada-lab.arch.nias.ac.jp | 0 | | |
| 202.231.31.88 | — | 0 | | |
| 202.231.31.89 | — | 0 | | |
| 202.231.31.90 | — | 0 | | |
| 202.231.31.91 | — | 0 | | |
| 202.231.31.92 | — | 0 | | |
| 202.231.31.93 | — | 0 | | |
| 202.231.31.94 | — | 0 | | |
| 202.231.31.95 | — | 0 | | |
| 202.231.31.96 | — | 0 | | |
| 202.231.31.97 | — | 0 | | |
| 202.231.31.98 | — | 0 | | |
| 202.231.31.99 | — | 0 | | |
| 202.231.31.100 | cam-3f.grad.nias.ac.jp | 0 | | |
| 202.231.31.101 | m1mac.grad.nias.ac.jp | 0 | | |
| 202.231.31.102 | m1ibm.grad.nias.ac.jp | 0 | | |
| 202.231.31.103 | noripi.grad.nias.ac.jp | 0 | | |
| 202.231.31.104 | m22.grad.nias.ac.jp | 0 | | |
| 202.231.31.105 | m3mac.grad.nias.ac.jp | 0 | | |
| 202.231.31.106 | m3ibm.grad.nias.ac.jp | 0 | | |
| 202.231.31.107 | m4mac.grad.nias.ac.jp | 0 | | |
| 202.231.31.108 | m4ibm.grad.nias.ac.jp | 0 | | |
| 202.231.31.109 | lky-9771.grad.nias.ac.jp | 0 | | |
| 202.231.31.110 | res-ab.grad.nias.ac.jp | 0 | | |
| 202.231.31.111 | namba1.grad.nias.ac.jp | 0 | | |
| 202.231.31.112 | matsui.grad.nias.ac.jp | 0 | | |
| 202.231.31.113 | grad-jimu.office.nias.ac.jp | 0 | | |
| 202.231.31.114 | katsu.office.nias.ac.jp | 0 | | |
| 202.231.31.115 | adachi.grad.nias.ac.jp | 0 | | |
| 202.231.31.116 | m2mac.grad.nias.ac.jp | 0 | | |
| 202.231.31.117 | matsuifl.grad.nias.ac.jp | 0 | | |
| 202.231.31.118 | matsuiml.grad.nias.ac.jp | 0 | | |
| 202.231.31.119 | m1com1.grad.nias.ac.jp | 0 | | |
| 202.231.31.120 | m1com2.grad.nias.ac.jp | 0 | | |
| 202.231.31.121 | m1com3.grad.nias.ac.jp | 0 | | |
| 202.231.31.122 | djimu.grad.nias.ac.jp | 0 | | |
| 202.231.31.123 | groom1.grad.nias.ac.jp | 0 | | |
| 202.231.31.124 | groom2.grad.nias.ac.jp | 0 | | |
| 202.231.31.125 | groom3.grad.nias.ac.jp | 0 | | |
| 202.231.31.126 | groom4.grad.nias.ac.jp | 0 | | |
| 202.231.31.127 | groom5.grad.nias.ac.jp | 0 | | |
| 202.231.31.128 | xylitol1.grad.nias.ac.jp | 0 | | |
| 202.231.31.129 | matsui4.grad.nias.ac.jp | 0 | | |
| 202.231.31.130 | kaoru.grad.nias.ac.jp | 0 | | |
| 202.231.31.131 | saburoku.grad.nias.ac.jp | 0 | | |
| 202.231.31.132 | ohooiocha.grad.nias.ac.jp | 0 | | |
| 202.231.31.133 | hiroi.grad.nias.ac.jp | 0 | | |
| 202.231.31.134 | sakura.grad.nias.ac.jp | 0 | | |
| 202.231.31.135 | gradjimuprint.office.nias.ac.jp | 0 | | |
| 202.231.31.136 | vib-01.grad.nias.ac.jp | 0 | | |
| 202.231.31.137 | sao3.grad.nias.ac.jp | 0 | | |
| 202.231.31.138 | o-str.grad.nias.ac.jp | 0 | | |
| 202.231.31.139 | matsui11.grad.nias.ac.jp | 0 | | |
| 202.231.31.140 | matsui12.grad.nias.ac.jp | 0 | | |
| 202.231.31.141 | matsui13.grad.nias.ac.jp | 0 | | |
| 202.231.31.142 | matsui14.grad.nias.ac.jp | 0 | | |
| 202.231.31.143 | matsui21.grad.nias.ac.jp | 0 | | |
| 202.231.31.144 | matsui22.grad.nias.ac.jp | 0 | | |
| 202.231.31.145 | maru.grad.nias.ac.jp | 0 | | |
| 202.231.31.146 | velius.grad.nias.ac.jp | 0 | | |
| 202.231.31.147 | susy.grad.nias.ac.jp | 0 | | |
| 202.231.31.148 | solar.grad.nias.ac.jp | 0 | | |
| 202.231.31.149 | katudon.grad.nias.ac.jp | 0 | | |
| 202.231.31.150 | fracmonitor.mech.nias.ac.jp | 0 | | |
| 202.231.31.151 | jituke.mech.nias.ac.jp | 0 | | |
| 202.231.31.152 | taniyama.mech.nias.ac.jp | 0 | | |
| 202.231.31.153 | hamasaki.mech.nias.ac.jp | 0 | | |
| 202.231.31.154 | kawaken.mech.nias.ac.jp | 0 | | |
| 202.231.31.155 | ssakai.mech.nias.ac.jp | 0 | | |
| 202.231.31.156 | sakai1.mech.nias.ac.jp | 0 | | |
| 202.231.31.157 | sakai2.mech.nias.ac.jp | 0 | | |
| 202.231.31.158 | sakai3.mech.nias.ac.jp | 0 | | |
| 202.231.31.159 | temp01.cc.nias.ac.jp | 0 | | |
| 202.231.31.160 | room131.cc.nias.ac.jp | 0 | | |
| 202.231.31.161 | mate1.mech.nias.ac.jp | 0 | | |
| 202.231.31.162 | mate2.mech.nias.ac.jp | 0 | | |
| 202.231.31.163 | ono3rd.mech.nias.ac.jp | 0 | | |
| 202.231.31.164 | mechopen.mech.nias.ac.jp | 0 | | |
| 202.231.31.165 | mechopen1.mech.nias.ac.jp | 0 | | |
| 202.231.31.166 | kitagawa.mech.nias.ac.jp | 0 | | |
| 202.231.31.167 | atelier-fox.mech.nias.ac.jp | 0 | | |
| 202.231.31.168 | — | 0 | | |
| 202.231.31.169 | — | 0 | | |
| 202.231.31.170 | — | 0 | | |
| 202.231.31.171 | — | 0 | | |
| 202.231.31.172 | — | 0 | | |
| 202.231.31.173 | — | 0 | | |
| 202.231.31.174 | — | 0 | | |
| 202.231.31.175 | — | 0 | | |
| 202.231.31.176 | — | 0 | | |
| 202.231.31.177 | — | 0 | | |
| 202.231.31.178 | — | 0 | | |
| 202.231.31.179 | daigakuin01.elc.nias.ac.jp | 0 | | |
| 202.231.31.180 | laser.elc.nias.ac.jp | 0 | | |
| 202.231.31.181 | kawazoe.elc.nias.ac.jp | 0 | | |
| 202.231.31.182 | riri.elc.nias.ac.jp | 0 | | |
| 202.231.31.183 | kkaoru.elc.nias.ac.jp | 0 | | |
| 202.231.31.184 | cest.elc.nias.ac.jp | 0 | | |
| 202.231.31.185 | shimizuken.elc.nias.ac.jp | 0 | | |
| 202.231.31.186 | goudou1.elc.nias.ac.jp | 0 | | |
| 202.231.31.187 | goudou2.elc.nias.ac.jp | 0 | | |
| 202.231.31.188 | poquito.elc.nias.ac.jp | 0 | | |
| 202.231.31.189 | doilab3.elc.nias.ac.jp | 0 | | |
| 202.231.31.190 | matsui32.elc.nias.ac.jp | 0 | | |
| 202.231.31.191 | matsui33.elc.nias.ac.jp | 0 | | |
| 202.231.31.192 | nias-nece1.elc.nias.ac.jp | 0 | | |
| 202.231.31.193 | motomura2.elc.nias.ac.jp | 0 | | |
| 202.231.31.194 | matsui36.elc.nias.ac.jp | 0 | | |
| 202.231.31.195 | hazuki.elc.nias.ac.jp | 0 | | |
| 202.231.31.196 | takamori.elc.nias.ac.jp | 0 | | |
| 202.231.31.197 | mizuno.elc.nias.ac.jp | 0 | | |
| 202.231.31.198 | ikelabo.elc.nias.ac.jp | 0 | | |
| 202.231.31.199 | tb-printer.cc.nias.ac.jp | 0 | | |
| 202.231.31.200 | shimizu.elc.nias.ac.jp | 0 | | |
| 202.231.31.201 | shimizu2.elc.nias.ac.jp | 0 | | |
| 202.231.31.202 | doilab1.elc.nias.ac.jp | 0 | | |
| 202.231.31.203 | ikeshimizu.elc.nias.ac.jp | 0 | | |
| 202.231.31.204 | doilab2.elc.nias.ac.jp | 0 | | |
| 202.231.31.205 | room132.nias.ac.jp | 0 | | |
| 202.231.31.206 | room136.nias.ac.jp | 0 | | |
| 202.231.31.207 | room141.nias.ac.jp | 0 | | |
| 202.231.31.208 | room142.nias.ac.jp | 0 | | |
| 202.231.31.209 | — | 0 | | |
| 202.231.31.210 | ship-win7.ship.nias.ac.jp | 0 | | |
| 202.231.31.211 | ktan.elc.nias.ac.jp | 0 | | |
| 202.231.31.212 | motomura.elc.nias.ac.jp | 0 | | |
| 202.231.31.213 | mest.elc.nias.ac.jp | 0 | | |
| 202.231.31.214 | iryou1.elc.nias.ac.jp | 0 | | |
| 202.231.31.215 | iryouzemi.elc.nias.ac.jp | 0 | | |
| 202.231.31.216 | furuno-pc.ship.nias.ac.jp | 0 | | |
| 202.231.31.217 | — | 0 | | |
| 202.231.31.218 | simdlabo-pc1.ship.nias.ac.jp | 0 | | |
| 202.231.31.219 | — | 0 | | |
| 202.231.31.220 | — | 0 | | |
| 202.231.31.221 | — | 0 | | |
| 202.231.31.222 | — | 0 | | |
| 202.231.31.223 | — | 0 | | |
| 202.231.31.224 | — | 0 | | |
| 202.231.31.225 | — | 0 | | |
| 202.231.31.226 | — | 0 | | |
| 202.231.31.227 | — | 0 | | |
| 202.231.31.228 | — | 0 | | |
| 202.231.31.229 | ship-win26.ship.nias.ac.jp | 0 | | |
| 202.231.31.230 | ship-win27.ship.nias.ac.jp | 0 | | |
| 202.231.31.231 | ship-win28.ship.nias.ac.jp | 0 | | |
| 202.231.31.232 | ship-win29.ship.nias.ac.jp | 0 | | |
| 202.231.31.233 | ship-win30.ship.nias.ac.jp | 0 | | |
| 202.231.31.234 | ship-win31.ship.nias.ac.jp | 0 | | |
| 202.231.31.235 | ship-win32.ship.nias.ac.jp | 0 | | |
| 202.231.31.236 | ship-win33.ship.nias.ac.jp | 0 | | |
| 202.231.31.237 | ship-win34.ship.nias.ac.jp | 0 | | |
| 202.231.31.238 | ship-win35.ship.nias.ac.jp | 0 | | |
| 202.231.31.239 | ship-win36.ship.nias.ac.jp | 0 | | |
| 202.231.31.240 | ship-win37.ship.nias.ac.jp | 0 | | |
| 202.231.31.241 | ship-win38.ship.nias.ac.jp | 0 | | |
| 202.231.31.242 | ship-win39.ship.nias.ac.jp | 0 | | |
| 202.231.31.243 | ship-win40.ship.nias.ac.jp | 0 | | |
| 202.231.31.244 | ship-win41.ship.nias.ac.jp | 0 | | |
| 202.231.31.245 | ship-win42.ship.nias.ac.jp | 0 | | |
| 202.231.31.246 | ship-win43.ship.nias.ac.jp | 0 | | |
| 202.231.31.247 | ship-win44.ship.nias.ac.jp | 0 | | |
| 202.231.31.248 | ship-win45.ship.nias.ac.jp | 0 | | |
| 202.231.31.249 | nias-nece.elc.nias.ac.jp | 0 | | |
| 202.231.31.250 | — | 0 | | |
| 202.231.31.251 | wifi.ship.nias.ac.jp | 0 | | |
| 202.231.31.252 | — | 0 | | |
| 202.231.31.253 | — | 0 | | |
| 202.231.31.254 | — | 0 | | |
| 202.231.31.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f5 -m13 202.231.31.139
traceroute to 202.231.31.139 (202.231.31.139): 13 hops max, 52 byte packets
7 *
11 *
12 *
13 *
Measurement taken from 
IPinfo ProbeNet in Hong Kong, HK
IPinfo ProbeNet in Hong Kong, HKOn