IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 192.0.0.0/8
  3. 192.31.0.0/16
  4. 192.31.121.0/24

192.31.121.0/24 IP Range

Summary

ASNAS2907 Research Organization of Information and Systems, National Institute of Informatics
BGP192.31.121.0/24
IPs with RDNS76
Hosted Domains0
Pingable IPs14
Router IPs1
192.31.121.0—0
192.31.121.1sc-core2.hpci.itc.u-tokyo.ac.jp0
192.31.121.2—0
192.31.121.3—0
192.31.121.4—0
192.31.121.5—0
192.31.121.6—0
192.31.121.7—0
192.31.121.8—0
192.31.121.9—0
192.31.121.10—0
192.31.121.11—0
192.31.121.12—0
192.31.121.13—0
192.31.121.14—0
192.31.121.15—0
192.31.121.16—0
192.31.121.17—0
192.31.121.18—0
192.31.121.19—0
192.31.121.20—0
192.31.121.21—0
192.31.121.22—0
192.31.121.23—0
192.31.121.24gfs01-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.25gfs01-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.26gfs02-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.27gfs02-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.28gfs03-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.29gfs03-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.30gfs04-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.31gfs04-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.32gfs11-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.33gfs11-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.34gfs12-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.35gfs12-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.36gfs13-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.37gfs13-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.38gfs14-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.39gfs14-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.40gfs21-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.41gfs21-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.42gfs22-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.43gfs22-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.44gfs23-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.45gfs23-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.46gfs24-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.47gfs24-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.48gfs31-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.49gfs31-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.50gfs32-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.51gfs32-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.52gfs33-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.53gfs33-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.54gfs34-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.55gfs34-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.56gfs41-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.57gfs41-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.58gfs42-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.59gfs42-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.60gfs43-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.61gfs43-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.62gfs44-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.63gfs44-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.64gfs51-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.65gfs51-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.66gfs52-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.67gfs52-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.68gfs53-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.69gfs53-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.70gfs54-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.71gfs54-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.72gfs61-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.73gfs61-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.74gfs62-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.75gfs62-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.76gfs63-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.77gfs63-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.78gfs64-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.79gfs64-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.80gfs71-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.81gfs71-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.82gfs72-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.83gfs72-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.84gfs73-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.85gfs73-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.86gfs74-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.87gfs74-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.88gfs81-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.89gfs81-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.90gfs82-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.91gfs82-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.92gfs83-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.93gfs83-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.94gfs84-1.hpci.itc.u-tokyo.ac.jp0
192.31.121.95gfs84-2.hpci.itc.u-tokyo.ac.jp0
192.31.121.96—0
192.31.121.97—0
192.31.121.98—0
192.31.121.99—0
192.31.121.100—0
192.31.121.101—0
192.31.121.102—0
192.31.121.103—0
192.31.121.104—0
192.31.121.105—0
192.31.121.106—0
192.31.121.107—0
192.31.121.108—0
192.31.121.109—0
192.31.121.110—0
192.31.121.111—0
192.31.121.112—0
192.31.121.113—0
192.31.121.114—0
192.31.121.115—0
192.31.121.116—0
192.31.121.117—0
192.31.121.118—0
192.31.121.119—0
192.31.121.120—0
192.31.121.121—0
192.31.121.122—0
192.31.121.123fj-ibg1.hpci.itc.u-tokyo.ac.jp0
192.31.121.124fj-ibg2.hpci.itc.u-tokyo.ac.jp0
192.31.121.125—0
192.31.121.126—0
192.31.121.127—0
192.31.121.128—0
192.31.121.129—0
192.31.121.130—0
192.31.121.131—0
192.31.121.132—0
192.31.121.133—0
192.31.121.134—0
192.31.121.135—0
192.31.121.136—0
192.31.121.137—0
192.31.121.138—0
192.31.121.139—0
192.31.121.140—0
192.31.121.141—0
192.31.121.142—0
192.31.121.143—0
192.31.121.144—0
192.31.121.145—0
192.31.121.146—0
192.31.121.147—0
192.31.121.148—0
192.31.121.149—0
192.31.121.150—0
192.31.121.151—0
192.31.121.152—0
192.31.121.153—0
192.31.121.154—0
192.31.121.155—0
192.31.121.156—0
192.31.121.157—0
192.31.121.158—0
192.31.121.159—0
192.31.121.160—0
192.31.121.161—0
192.31.121.162—0
192.31.121.163—0
192.31.121.164—0
192.31.121.165—0
192.31.121.166—0
192.31.121.167—0
192.31.121.168—0
192.31.121.169—0
192.31.121.170—0
192.31.121.171—0
192.31.121.172—0
192.31.121.173—0
192.31.121.174—0
192.31.121.175—0
192.31.121.176—0
192.31.121.177—0
192.31.121.178—0
192.31.121.179—0
192.31.121.180—0
192.31.121.181—0
192.31.121.182—0
192.31.121.183—0
192.31.121.184—0
192.31.121.185—0
192.31.121.186—0
192.31.121.187—0
192.31.121.188—0
192.31.121.189—0
192.31.121.190—0
192.31.121.191—0
192.31.121.192—0
192.31.121.193—0
192.31.121.194—0
192.31.121.195—0
192.31.121.196—0
192.31.121.197—0
192.31.121.198—0
192.31.121.199—0
192.31.121.200—0
192.31.121.201—0
192.31.121.202—0
192.31.121.203—0
192.31.121.204—0
192.31.121.205—0
192.31.121.206—0
192.31.121.207—0
192.31.121.208—0
192.31.121.209—0
192.31.121.210—0
192.31.121.211—0
192.31.121.212—0
192.31.121.213—0
192.31.121.214—0
192.31.121.215—0
192.31.121.216—0
192.31.121.217—0
192.31.121.218—0
192.31.121.219—0
192.31.121.220—0
192.31.121.221—0
192.31.121.222—0
192.31.121.223—0
192.31.121.224—0
192.31.121.225—0
192.31.121.226—0
192.31.121.227—0
192.31.121.228—0
192.31.121.229—0
192.31.121.230—0
192.31.121.231—0
192.31.121.232—0
192.31.121.233—0
192.31.121.234—0
192.31.121.235—0
192.31.121.236—0
192.31.121.237ichigo2.cc.u-tokyo.ac.jp0
192.31.121.238—0
192.31.121.239—0
192.31.121.240—0
192.31.121.241—0
192.31.121.242—0
192.31.121.243—0
192.31.121.244—0
192.31.121.245—0
192.31.121.246—0
192.31.121.247—0
192.31.121.248—0
192.31.121.249—0
192.31.121.250—0
192.31.121.251—0
192.31.121.252—0
192.31.121.253—0
192.31.121.254—0
192.31.121.255—0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f3 192.31.121.88
traceroute to 192.31.121.88 (192.31.121.88): 64 hops max, 52 byte packets
4 [] 210.171.224.150 1.961 ms
5 [AS2907] 150.99.10.82 1.773 ms
6 [AS2907] 150.99.181.234 2.072 ms
7 [AS2907] 192.31.121.250 14.805 ms
8 [AS2907] 192.31.121.88 2.361 ms
Measurement taken from  IPinfo ProbeNet in Tokyo, JP
On