Summary
| ASN | AS195 San Diego Supercomputer Center |
| BGP | 192.31.21.0/24 |
| IPs with RDNS | 222 |
| Hosted Domains | 0 |
| Pingable IPs | 24 |
| Router IPs | 0 |
| 192.31.21.0 | — | 0 |  | |
| 192.31.21.1 | coregw1.sdsc.edu | 0 | Ping | |
| 192.31.21.2 | medusa-mx960.sdsc.edu | 0 | | |
| 192.31.21.3 | thor-mx960.sdsc.edu | 0 | | |
| 192.31.21.4 | — | 0 | | |
| 192.31.21.5 | thunder.sdsc.edu | 0 | | |
| 192.31.21.6 | lightning.sdsc.edu | 0 | | |
| 192.31.21.7 | — | 0 | | |
| 192.31.21.8 | thunder.sdsc.edu | 0 | | |
| 192.31.21.9 | hpcnet-ps1-1g.sdsc.edu | 0 | | |
| 192.31.21.10 | hpcnet-ps2-1g.sdsc.edu | 0 | Ping | |
| 192.31.21.11 | hpcnet-ps3-1g.sdsc.edu | 0 | | |
| 192.31.21.12 | — | 0 | | |
| 192.31.21.13 | vr521.sdsc.edu | 0 | | |
| 192.31.21.14 | sand.casl.sdsc.edu | 0 | | |
| 192.31.21.15 | mail.safer-trust.org | 0 | Ping | |
| 192.31.21.16 | — | 0 | | |
| 192.31.21.17 | yylogin.sdsc.edu | 0 | | |
| 192.31.21.18 | — | 0 | | |
| 192.31.21.19 | ambersvn.sdsc.edu | 0 | | |
| 192.31.21.20 | — | 0 | | |
| 192.31.21.21 | — | 0 | | |
| 192.31.21.22 | — | 0 | | |
| 192.31.21.23 | nebula.sdsc.edu | 0 | Ping | |
| 192.31.21.24 | swat.sdsc.edu | 0 | | |
| 192.31.21.25 | — | 0 | | |
| 192.31.21.26 | blackbird.sdsc.edu | 0 | | |
| 192.31.21.27 | pulaski.sdsc.edu | 0 | Ping | |
| 192.31.21.28 | test.sdsc.edu | 0 | | |
| 192.31.21.29 | — | 0 | | |
| 192.31.21.30 | tn.sdsc.edu | 0 | Ping | |
| 192.31.21.31 | dq.sdsc.edu | 0 | | |
| 192.31.21.32 | — | 0 | | |
| 192.31.21.33 | — | 0 | | |
| 192.31.21.34 | — | 0 | | |
| 192.31.21.35 | — | 0 | | |
| 192.31.21.36 | — | 0 | | |
| 192.31.21.37 | inealey-office.sdsc.edu | 0 | | |
| 192.31.21.38 | oneiros.sdsc.edu | 0 | | |
| 192.31.21.39 | video-upd.sdsc.edu | 0 | | |
| 192.31.21.40 | albatross.sdsc.edu | 0 | | |
| 192.31.21.41 | mlah-mbp.sdsc.edu | 0 | | |
| 192.31.21.42 | liebo-mac.sdsc.edu | 0 | Ping | |
| 192.31.21.43 | twolfson.casl.sdsc.edu | 0 | | |
| 192.31.21.44 | crosby-gis.sdsc.edu | 0 | | |
| 192.31.21.45 | — | 0 | | |
| 192.31.21.46 | linuxchem.sdsc.edu | 0 | | |
| 192.31.21.47 | tanker.sdsc.edu | 0 | | |
| 192.31.21.48 | nadeau-desktop.sdsc.edu | 0 | | |
| 192.31.21.49 | nadeau-laptop.sdsc.edu | 0 | | |
| 192.31.21.50 | hydro.sdsc.edu | 0 | | |
| 192.31.21.51 | apples.sdsc.edu | 0 | | |
| 192.31.21.52 | oranges.sdsc.edu | 0 | | |
| 192.31.21.53 | pears.sdsc.edu | 0 | | |
| 192.31.21.54 | — | 0 | | |
| 192.31.21.55 | — | 0 | | |
| 192.31.21.56 | — | 0 | | |
| 192.31.21.57 | — | 0 | | |
| 192.31.21.58 | — | 0 | | |
| 192.31.21.59 | star.sdsc.edu | 0 | Ping | |
| 192.31.21.60 | nif.sdsc.edu | 0 | | |
| 192.31.21.61 | hazards.sdsc.edu | 0 | | |
| 192.31.21.62 | pho27.sdsc.edu | 0 | | |
| 192.31.21.63 | sandbox.sdsc.edu | 0 | | |
| 192.31.21.64 | robin.sdsc.edu | 0 | | |
| 192.31.21.65 | aung1.sdsc.edu | 0 | | |
| 192.31.21.66 | aung2.sdsc.edu.21.31.192.in-addr.arpa | 0 | | |
| 192.31.21.67 | gpumd.sdsc.edu | 0 | | |
| 192.31.21.68 | caspian.sdsc.edu | 0 | | |
| 192.31.21.69 | bioagg.sdsc.edu | 0 | | |
| 192.31.21.70 | chankya.sdsc.edu | 0 | | |
| 192.31.21.71 | motif.sdsc.edu | 0 | | |
| 192.31.21.72 | amit-pc.sdsc.edu | 0 | | |
| 192.31.21.73 | dchoi-pc2.sdsc.edu | 0 | | |
| 192.31.21.74 | brahma.sdsc.edu | 0 | | |
| 192.31.21.75 | — | 0 | | |
| 192.31.21.76 | beeker.sdsc.edu | 0 | Ping | |
| 192.31.21.77 | modena.sdsc.edu | 0 | | |
| 192.31.21.78 | altair.sdsc.edu | 0 | | |
| 192.31.21.79 | wei-mac.sdsc.edu | 0 | | |
| 192.31.21.80 | ww.eolproject.org | 0 | | |
| 192.31.21.81 | breen.sdsc.edu | 0 | | |
| 192.31.21.82 | roney.sdsc.edu | 0 | | |
| 192.31.21.83 | potter.sdsc.edu | 0 | | |
| 192.31.21.84 | topol4us.sdsc.edu | 0 | | |
| 192.31.21.85 | vmlinux.sdsc.edu | 0 | | |
| 192.31.21.86 | nazca.sdsc.edu | 0 | | |
| 192.31.21.87 | sel-a.sdsc.edu | 0 | | |
| 192.31.21.88 | vmhost.sdsc.edu | 0 | | |
| 192.31.21.89 | cw3e-001.sdsc.edu | 0 | | |
| 192.31.21.90 | sel-clk.sdsc.edu | 0 | | |
| 192.31.21.91 | win-85567902.sdsc.edu | 0 | | |
| 192.31.21.92 | brickten.sdsc.edu | 0 | | |
| 192.31.21.93 | cloverleaf.sdsc.edu | 0 | | |
| 192.31.21.94 | marathon.sdsc.edu | 0 | | |
| 192.31.21.95 | lcchan-mac.sdsc.edu | 0 | | |
| 192.31.21.96 | gis.sdsc.edu | 0 | | |
| 192.31.21.97 | srv2008r2iis.sdsc.edu | 0 | | |
| 192.31.21.98 | vinge.sdsc.edu | 0 | | |
| 192.31.21.99 | heinlein.sdsc.edu | 0 | | |
| 192.31.21.100 | water.sdsc.edu | 0 | | |
| 192.31.21.101 | — | 0 | | |
| 192.31.21.102 | huron.sdsc.edu | 0 | | |
| 192.31.21.103 | sleepflow.sdsc.edu | 0 | | |
| 192.31.21.104 | hpgeoc-gpu.sdsc.edu | 0 | Ping | |
| 192.31.21.105 | mobile.sdsc.edu | 0 | | |
| 192.31.21.106 | l2g.sdsc.edu | 0 | | |
| 192.31.21.107 | ubuntusrv.sdsc.edu | 0 | | |
| 192.31.21.108 | halo.sdsc.edu | 0 | | |
| 192.31.21.109 | temp-outback.sdsc.edu | 0 | | |
| 192.31.21.110 | spyware.sdsc.edu | 0 | | |
| 192.31.21.111 | prdla-linux1.sdsc.edu | 0 | | |
| 192.31.21.112 | hpcnet-ps4-1g.sdsc.edu | 0 | | |
| 192.31.21.113 | earfuzz.sdsc.edu | 0 | | |
| 192.31.21.114 | mae.sdsc.edu | 0 | | |
| 192.31.21.115 | bucket.sdsc.edu | 0 | | |
| 192.31.21.116 | obis-db.sdsc.edu | 0 | | |
| 192.31.21.117 | fluvial.sdsc.edu | 0 | | |
| 192.31.21.118 | mae2.sdsc.edu | 0 | | |
| 192.31.21.119 | enthalpy.sdsc.edu | 0 | | |
| 192.31.21.120 | aeon.sdsc.edu | 0 | | |
| 192.31.21.121 | vaperoo2.sdsc.edu | 0 | | |
| 192.31.21.122 | hpcnet-laptop.sdsc.edu | 0 | | |
| 192.31.21.123 | hpcnet-31-pc.sdsc.edu | 0 | | |
| 192.31.21.124 | hpcnet-rehs-1.sdsc.edu | 0 | | |
| 192.31.21.125 | hpcnet-rehs-2.sdsc.edu | 0 | | |
| 192.31.21.126 | beatrix.sdsc.edu | 0 | | |
| 192.31.21.127 | dust.sdsc.edu | 0 | Ping | |
| 192.31.21.128 | pagekit.sdsc.edu | 0 | | |
| 192.31.21.129 | oldsiox.sdsc.edu | 0 | | |
| 192.31.21.130 | atlantic.sdsc.edu | 0 | | |
| 192.31.21.131 | southern.sdsc.edu | 0 | | |
| 192.31.21.132 | moonstone.sdsc.edu | 0 | | |
| 192.31.21.133 | hellyj-pc.sdsc.edu | 0 | | |
| 192.31.21.134 | corbenic.sdsc.edu | 0 | | |
| 192.31.21.135 | indian.sdsc.edu | 0 | | |
| 192.31.21.136 | atlas.sdsc.edu | 0 | | |
| 192.31.21.137 | hydro9.sdsc.edu | 0 | | |
| 192.31.21.138 | disrupter.sdsc.edu | 0 | | |
| 192.31.21.139 | kb-pdb.sdsc.edu | 0 | | |
| 192.31.21.140 | brandon.sdsc.edu | 0 | | |
| 192.31.21.141 | ocean.sdsc.edu | 0 | | |
| 192.31.21.142 | maaung-pc.sdsc.edu | 0 | | |
| 192.31.21.143 | helitack.sdsc.edu | 0 | Ping | |
| 192.31.21.144 | falcon.sdsc.edu | 0 | | |
| 192.31.21.145 | dozer.sdsc.edu | 0 | | |
| 192.31.21.146 | jhangpc.sdsc.edu | 0 | | |
| 192.31.21.147 | dlinkcamera.sdsc.edu | 0 | | |
| 192.31.21.148 | games.accs.com | 0 | | |
| 192.31.21.149 | dotnet.sdsc.edu | 0 | | |
| 192.31.21.150 | pm.sdsc.edu | 0 | | |
| 192.31.21.151 | bait-server.sdsc.edu | 0 | | |
| 192.31.21.152 | hyades.sdsc.edu | 0 | | |
| 192.31.21.153 | minbari.ucsd.edu | 0 | | |
| 192.31.21.154 | tera.ucsd.edu | 0 | | |
| 192.31.21.155 | — | 0 | | |
| 192.31.21.156 | — | 0 | | |
| 192.31.21.157 | northpole.sdsc.edu | 0 | | |
| 192.31.21.158 | koa.sdsc.edu | 0 | | |
| 192.31.21.159 | — | 0 | | |
| 192.31.21.160 | jcsg-video1.sdsc.edu | 0 | | |
| 192.31.21.161 | jcsg-video2.sdsc.edu | 0 | | |
| 192.31.21.162 | cabiria.sdsc.edu | 0 | | |
| 192.31.21.163 | hannibal.sdsc.edu | 0 | | |
| 192.31.21.164 | bayou.sdsc.edu | 0 | | |
| 192.31.21.165 | amber.sdsc.edu | 0 | Ping | |
| 192.31.21.166 | visserver.sdsc.edu | 0 | | |
| 192.31.21.167 | axion.sdsc.edu | 0 | | |
| 192.31.21.168 | scratchy.sdsc.edu | 0 | Ping | |
| 192.31.21.169 | itchy.sdsc.edu | 0 | | |
| 192.31.21.170 | jcsg-video3.sdsc.edu | 0 | | |
| 192.31.21.171 | geoinfo.sdsc.edu | 0 | | |
| 192.31.21.172 | phoebe.sdsc.edu | 0 | | |
| 192.31.21.173 | nmr-devel.sdsc.edu | 0 | | |
| 192.31.21.174 | neesdaq.sdsc.edu | 0 | | |
| 192.31.21.175 | neesdaq2.sdsc.edu | 0 | | |
| 192.31.21.176 | dev-neestpm.sdsc.edu | 0 | | |
| 192.31.21.177 | neestpm.sdsc.edu | 0 | | |
| 192.31.21.178 | amber-cc.sdsc.edu | 0 | | |
| 192.31.21.179 | thorp.casl.sdsc.edu | 0 | | |
| 192.31.21.180 | kantishna.sdsc.edu | 0 | | |
| 192.31.21.181 | sid-laptop.sdsc.edu | 0 | | |
| 192.31.21.182 | katmai.sdsc.edu | 0 | | |
| 192.31.21.183 | his01.sdsc.edu | 0 | | |
| 192.31.21.184 | his02.sdsc.edu | 0 | | |
| 192.31.21.185 | gecko.sdsc.edu | 0 | Ping | |
| 192.31.21.186 | bender.sdsc.edu | 0 | | |
| 192.31.21.187 | geon07.sdsc.edu | 0 | | |
| 192.31.21.188 | flasher.sdsc.edu | 0 | | |
| 192.31.21.189 | dante.sdsc.edu | 0 | Ping | |
| 192.31.21.190 | ark.sdsc.edu | 0 | | |
| 192.31.21.191 | dice.sdsc.edu | 0 | | |
| 192.31.21.192 | coffee.sdsc.edu | 0 | | |
| 192.31.21.193 | sdsc-lc.sdsc.edu | 0 | | |
| 192.31.21.194 | erasrbrocket02.sdsc.edu | 0 | | |
| 192.31.21.195 | safe.sdsc.edu | 0 | | |
| 192.31.21.196 | mercury.sdsc.edu | 0 | | |
| 192.31.21.197 | bunny.sdsc.edu | 0 | Ping | |
| 192.31.21.198 | void.sdsc.edu | 0 | | |
| 192.31.21.199 | caffeine.sdsc.edu | 0 | | |
| 192.31.21.200 | kali.sdsc.edu | 0 | | |
| 192.31.21.201 | es-dev.sdsc.edu | 0 | | |
| 192.31.21.202 | his03.sdsc.edu | 0 | | |
| 192.31.21.203 | pegasus.sdsc.edu | 0 | | |
| 192.31.21.204 | pmonwatts.sdsc.edu | 0 | | |
| 192.31.21.205 | sanchan.sdsc.edu | 0 | | |
| 192.31.21.206 | byrnes.sdsc.edu | 0 | | |
| 192.31.21.207 | sothitoshapa.sdsc.edu | 0 | Ping | |
| 192.31.21.208 | workstationx.sdsc.edu | 0 | | |
| 192.31.21.209 | dbmisa.sdsc.edu | 0 | | |
| 192.31.21.210 | his04.sdsc.edu | 0 | | |
| 192.31.21.211 | tester-linux.sdsc.edu | 0 | | |
| 192.31.21.212 | his05.sdsc.edu | 0 | | |
| 192.31.21.213 | kenai.sdsc.edu | 0 | | |
| 192.31.21.214 | gpp.sdsc.edu | 0 | | |
| 192.31.21.215 | his06.sdsc.edu | 0 | | |
| 192.31.21.216 | tester-pc.sdsc.edu | 0 | | |
| 192.31.21.217 | miller.sdsc.edu | 0 | | |
| 192.31.21.218 | his07.sdsc.edu | 0 | | |
| 192.31.21.219 | tester-mac.sdsc.edu | 0 | | |
| 192.31.21.220 | kodiak.sdsc.edu | 0 | | |
| 192.31.21.221 | hotshot.sdsc.edu | 0 | Ping | |
| 192.31.21.222 | quizabuck.sdsc.edu | 0 | | |
| 192.31.21.223 | spitfire.sdsc.edu | 0 | | |
| 192.31.21.224 | hostsrv.sdsc.edu | 0 | | |
| 192.31.21.225 | accs-srb.sdsc.edu | 0 | | |
| 192.31.21.226 | onepocket.sdsc.edu | 0 | | |
| 192.31.21.227 | hydro10.sdsc.edu | 0 | | |
| 192.31.21.228 | hydro11.sdsc.edu | 0 | | |
| 192.31.21.229 | hydro12.sdsc.edu | 0 | | |
| 192.31.21.230 | hydro13.sdsc.edu | 0 | | |
| 192.31.21.231 | incidenterator.sdsc.edu | 0 | Ping | |
| 192.31.21.232 | his08.sdsc.edu | 0 | | |
| 192.31.21.233 | bering.sdsc.edu | 0 | | |
| 192.31.21.234 | cortland.sdsc.edu | 0 | | |
| 192.31.21.235 | matt-pc.sdsc.edu | 0 | | |
| 192.31.21.236 | magma.sdsc.edu | 0 | | |
| 192.31.21.237 | — | 0 | | |
| 192.31.21.238 | ldm7.sdsc.optiputer.net | 0 | | |
| 192.31.21.239 | dingo.sdsc.edu | 0 | Ping | |
| 192.31.21.240 | mule.sdsc.edu | 0 | Ping | |
| 192.31.21.241 | goanna.sdsc.edu | 0 | Ping | |
| 192.31.21.242 | — | 0 | | |
| 192.31.21.243 | — | 0 | | |
| 192.31.21.244 | — | 0 | | |
| 192.31.21.245 | iceberg.sdsc.edu | 0 | | |
| 192.31.21.246 | snowy.sdsc.edu | 0 | | |
| 192.31.21.247 | — | 0 | | |
| 192.31.21.248 | doesntmatter.sdsc.edu | 0 | | |
| 192.31.21.249 | ht.sdsc.edu | 0 | | |
| 192.31.21.250 | — | 0 | | |
| 192.31.21.251 | setup-install-dyn-o2-251.sdsc.edu | 0 | | |
| 192.31.21.252 | setup-install-dyn-o2-252.sdsc.edu | 0 | | |
| 192.31.21.253 | setup-install-dyn-o2-253.sdsc.edu | 0 | | |
| 192.31.21.254 | setup-install-dyn-o2-254.sdsc.edu | 0 | | |
| 192.31.21.255 | — | 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 -f3 192.31.21.1
traceroute to 192.31.21.1 (192.31.21.1): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in Los Angeles, US
IPinfo ProbeNet in Los Angeles, USOn