Summary
| ASN | AS6106 University of California, Riverside |
| BGP | 138.23.0.0/16 |
| IPs with RDNS | 174 |
| Hosted Domains | 0 |
| Pingable IPs | 16 |
| Router IPs | 0 |
| 138.23.55.0 | — | 0 |  | |
| 138.23.55.1 | desktop-p6nud37.dyn.ucr.edu | 0 | | |
| 138.23.55.2 | ing-macbook-pro.dyn.ucr.edu | 0 | | |
| 138.23.55.3 | — | 0 | | |
| 138.23.55.4 | soe-soe-42351t3.dyn.ucr.edu | 0 | | |
| 138.23.55.5 | — | 0 | | |
| 138.23.55.6 | — | 0 | | |
| 138.23.55.7 | polycom48256771bf4e.dyn.ucr.edu | 0 | | |
| 138.23.55.8 | — | 0 | | |
| 138.23.55.9 | poly48256712af69.dyn.ucr.edu | 0 | | |
| 138.23.55.10 | — | 0 | | |
| 138.23.55.11 | sprl1362sp1.dyn.ucr.edu | 0 |  | |
| 138.23.55.12 | — | 0 | | |
| 138.23.55.13 | — | 0 | | |
| 138.23.55.14 | — | 0 | | |
| 138.23.55.15 | — | 0 | | |
| 138.23.55.16 | soe-admins-imac.dyn.ucr.edu | 0 | | |
| 138.23.55.17 | — | 0 | | |
| 138.23.55.18 | soe-soe-6st3yb2.dyn.ucr.edu | 0 | | |
| 138.23.55.19 | soe-soe-g0f8w54.dyn.ucr.edu | 0 | | |
| 138.23.55.20 | — | 0 | | |
| 138.23.55.21 | — | 0 | | |
| 138.23.55.22 | soe-soe-3zrdn83.dyn.ucr.edu | 0 | | |
| 138.23.55.23 | — | 0 | | |
| 138.23.55.24 | its-csg-47fkc1.dyn.ucr.edu | 0 | | |
| 138.23.55.25 | — | 0 | | |
| 138.23.55.26 | soe-soe-3zs9n83.dyn.ucr.edu | 0 | | |
| 138.23.55.27 | poly48256712af30.dyn.ucr.edu | 0 | | |
| 138.23.55.28 | — | 0 | | |
| 138.23.55.29 | — | 0 | | |
| 138.23.55.30 | its-mmt-spr2364.dyn.ucr.edu | 0 | | |
| 138.23.55.31 | — | 0 | | |
| 138.23.55.32 | soe-soe-5np2c64.dyn.ucr.edu | 0 | | |
| 138.23.55.33 | — | 0 | | |
| 138.23.55.34 | polycom482567721df1.dyn.ucr.edu | 0 | | |
| 138.23.55.35 | poly48256712af73.dyn.ucr.edu | 0 | | |
| 138.23.55.36 | — | 0 | | |
| 138.23.55.37 | — | 0 | | |
| 138.23.55.38 | — | 0 | | |
| 138.23.55.39 | its-mmt-e8e506.dyn.ucr.edu | 0 | | |
| 138.23.55.40 | — | 0 | | |
| 138.23.55.41 | sprl1102.dyn.ucr.edu | 0 | | |
| 138.23.55.42 | — | 0 | | |
| 138.23.55.43 | mediatest.dyn.ucr.edu | 0 | | |
| 138.23.55.44 | soe-soe-j3xrmd2.dyn.ucr.edu | 0 | | |
| 138.23.55.45 | — | 0 | | |
| 138.23.55.46 | — | 0 | | |
| 138.23.55.47 | — | 0 | | |
| 138.23.55.48 | — | 0 | | |
| 138.23.55.49 | — | 0 | | |
| 138.23.55.50 | — | 0 | | |
| 138.23.55.51 | — | 0 | | |
| 138.23.55.52 | poly482567128693.dyn.ucr.edu | 0 | | |
| 138.23.55.53 | sproul2208aimac.dyn.ucr.edu | 0 | | |
| 138.23.55.54 | soe-soe-hj42mc4.dyn.ucr.edu | 0 | | |
| 138.23.55.55 | — | 0 | | |
| 138.23.55.56 | — | 0 | | |
| 138.23.55.57 | — | 0 | | |
| 138.23.55.58 | soe-soe-c661sv3.dyn.ucr.edu | 0 | | |
| 138.23.55.59 | — | 0 | | |
| 138.23.55.60 | — | 0 | | |
| 138.23.55.61 | — | 0 | | |
| 138.23.55.62 | polycom48256771ab86.dyn.ucr.edu | 0 | | |
| 138.23.55.63 | polycom48256774f92f.dyn.ucr.edu | 0 | | |
| 138.23.55.64 | — | 0 | | |
| 138.23.55.65 | dhcp-138-23-55-65.dyn.ucr.edu | 0 | | |
| 138.23.55.66 | pssoftwaresmini.dyn.ucr.edu | 0 | | |
| 138.23.55.67 | its-mmt-6a7635.dyn.ucr.edu | 0 | | |
| 138.23.55.68 | poly48256712af3c.dyn.ucr.edu | 0 | | |
| 138.23.55.69 | poly48256712af6e.dyn.ucr.edu | 0 | | |
| 138.23.55.70 | poly4825671286a2.dyn.ucr.edu | 0 | | |
| 138.23.55.71 | — | 0 | | |
| 138.23.55.72 | — | 0 | | |
| 138.23.55.73 | — | 0 | | |
| 138.23.55.74 | — | 0 | | |
| 138.23.55.75 | — | 0 | | |
| 138.23.55.76 | — | 0 | | |
| 138.23.55.77 | soe-soe-c96clr3.dyn.ucr.edu | 0 | | |
| 138.23.55.78 | — | 0 | | |
| 138.23.55.79 | — | 0 | | |
| 138.23.55.80 | poly48256712af37.dyn.ucr.edu | 0 | | |
| 138.23.55.81 | — | 0 | | |
| 138.23.55.82 | — | 0 | | |
| 138.23.55.83 | — | 0 | | |
| 138.23.55.84 | poly48256712aed8.dyn.ucr.edu | 0 | | |
| 138.23.55.85 | — | 0 | | |
| 138.23.55.86 | poly48256712af77.dyn.ucr.edu | 0 | | |
| 138.23.55.87 | soe-soe-gj42mc4.dyn.ucr.edu | 0 | | |
| 138.23.55.88 | — | 0 | | |
| 138.23.55.89 | — | 0 | | |
| 138.23.55.90 | amoss-mac-mini.dyn.ucr.edu | 0 | | |
| 138.23.55.91 | soe-soe-1g78y84.dyn.ucr.edu | 0 | | |
| 138.23.55.92 | — | 0 | | |
| 138.23.55.93 | — | 0 | | |
| 138.23.55.94 | — | 0 | | |
| 138.23.55.95 | — | 0 | | |
| 138.23.55.96 | — | 0 | | |
| 138.23.55.97 | soe-soe-ffq97x2.dyn.ucr.edu | 0 | | |
| 138.23.55.98 | — | 0 | | |
| 138.23.55.99 | — | 0 | | |
| 138.23.55.100 | — | 0 | | |
| 138.23.55.101 | — | 0 | | |
| 138.23.55.102 | — | 0 | | |
| 138.23.55.103 | — | 0 | | |
| 138.23.55.104 | — | 0 | | |
| 138.23.55.105 | poly48256712af65.dyn.ucr.edu | 0 | | |
| 138.23.55.106 | poly48256712af43.dyn.ucr.edu | 0 | | |
| 138.23.55.107 | meetingboard\ 65.dyn.ucr.edu | 0 | | |
| 138.23.55.108 | poly48256712af3b.dyn.ucr.edu | 0 | | |
| 138.23.55.109 | — | 0 | | |
| 138.23.55.110 | — | 0 | | |
| 138.23.55.111 | — | 0 | | |
| 138.23.55.112 | — | 0 | | |
| 138.23.55.113 | — | 0 | | |
| 138.23.55.114 | — | 0 | | |
| 138.23.55.115 | — | 0 | | |
| 138.23.55.116 | polycom48256774c314.dyn.ucr.edu | 0 | | |
| 138.23.55.117 | — | 0 | | |
| 138.23.55.118 | — | 0 | | |
| 138.23.55.119 | — | 0 | | |
| 138.23.55.120 | soe-soe-3wmh794.dyn.ucr.edu | 0 | | |
| 138.23.55.121 | — | 0 | | |
| 138.23.55.122 | — | 0 | | |
| 138.23.55.123 | — | 0 | | |
| 138.23.55.124 | — | 0 | | |
| 138.23.55.125 | — | 0 | | |
| 138.23.55.126 | — | 0 | | |
| 138.23.55.127 | — | 0 | | |
| 138.23.55.128 | sprlab-rsrv-55-128.bulk.ucr.edu | 0 | | |
| 138.23.55.129 | sprlab-rsrv-55-129.bulk.ucr.edu | 0 | | |
| 138.23.55.130 | dozer.ucr.edu | 0 | | |
| 138.23.55.131 | scslics2.ucr.edu | 0 | | |
| 138.23.55.132 | sprkiosk01.ucr.edu | 0 | | |
| 138.23.55.133 | cnc-sts-spr001.ads.ucr.edu | 0 | | |
| 138.23.55.134 | cnc-sts-spr002.ads.ucr.edu | 0 | | |
| 138.23.55.135 | cnc-sts-spr003.ads.ucr.edu | 0 | | |
| 138.23.55.136 | cnc-sts-spr004.ads.ucr.edu | 0 | | |
| 138.23.55.137 | cnc-sts-spr005.ads.ucr.edu | 0 | | |
| 138.23.55.138 | cnc-sts-spr006.ads.ucr.edu | 0 | | |
| 138.23.55.139 | cnc-sts-spr007.ads.ucr.edu | 0 | | |
| 138.23.55.140 | cnc-sts-spr008.ads.ucr.edu | 0 | | |
| 138.23.55.141 | cnc-sts-spr009.ads.ucr.edu | 0 | | |
| 138.23.55.142 | cnc-sts-spr010.ads.ucr.edu | 0 | | |
| 138.23.55.143 | cnc-sts-spr011.ads.ucr.edu | 0 | | |
| 138.23.55.144 | cnc-sts-spr012.ads.ucr.edu | 0 | | |
| 138.23.55.145 | cnc-sts-spr013.ads.ucr.edu | 0 | | |
| 138.23.55.146 | cnc-sts-spr014.ads.ucr.edu | 0 | | |
| 138.23.55.147 | cnc-sts-spr015.ads.ucr.edu | 0 | | |
| 138.23.55.148 | cnc-sts-spr016.ads.ucr.edu | 0 | | |
| 138.23.55.149 | cnc-sts-spr017.ads.ucr.edu | 0 | | |
| 138.23.55.150 | cnc-sts-spr018.ads.ucr.edu | 0 | | |
| 138.23.55.151 | cnc-sts-spr019.ads.ucr.edu | 0 | | |
| 138.23.55.152 | cnc-sts-spr020.ads.ucr.edu | 0 | | |
| 138.23.55.153 | cnc-sts-spr021.ads.ucr.edu | 0 | | |
| 138.23.55.154 | cnc-sts-spr022.ads.ucr.edu | 0 | | |
| 138.23.55.155 | cnc-sts-spr023.ads.ucr.edu | 0 | | |
| 138.23.55.156 | cnc-sts-spr024.ads.ucr.edu | 0 | | |
| 138.23.55.157 | cnc-sts-spr025.ads.ucr.edu | 0 | | |
| 138.23.55.158 | cnc-sts-spr026.ads.ucr.edu | 0 | | |
| 138.23.55.159 | cnc-sts-spr027.ads.ucr.edu | 0 | | |
| 138.23.55.160 | cnc-sts-spr028.ads.ucr.edu | 0 | | |
| 138.23.55.161 | cnc-sts-spr029.ads.ucr.edu | 0 | | |
| 138.23.55.162 | cnc-sts-spr030.ads.ucr.edu | 0 | | |
| 138.23.55.163 | cnc-sts-spr031.ads.ucr.edu | 0 | | |
| 138.23.55.164 | cnc-sts-spr032.ads.ucr.edu | 0 | | |
| 138.23.55.165 | cnc-sts-spr033.ads.ucr.edu | 0 | | |
| 138.23.55.166 | cnc-sts-spr034.ads.ucr.edu | 0 | | |
| 138.23.55.167 | cnc-sts-spr035.ads.ucr.edu | 0 | | |
| 138.23.55.168 | cnc-sts-spr036.ads.ucr.edu | 0 | | |
| 138.23.55.169 | cnc-sts-spr037.ads.ucr.edu | 0 | | |
| 138.23.55.170 | cnc-sts-spr038.ads.ucr.edu | 0 | | |
| 138.23.55.171 | cnc-sts-sprc01.ads.ucr.edu | 0 | | |
| 138.23.55.172 | cnc-sts-sprc02.ads.ucr.edu | 0 | | |
| 138.23.55.173 | spreleasepc04.ucr.edu | 0 | | |
| 138.23.55.174 | spr2225-prn03.ucr.edu | 0 | | |
| 138.23.55.175 | tcspr2225.ucr.edu | 0 | | |
| 138.23.55.176 | sprlab-rsrv-55-176.bulk.ucr.edu | 0 | | |
| 138.23.55.177 | sprlab-rsrv-55-177.bulk.ucr.edu | 0 | | |
| 138.23.55.178 | sprlab-rsrv-55-178.bulk.ucr.edu | 0 | | |
| 138.23.55.179 | sprlab-rsrv-55-179.bulk.ucr.edu | 0 | | |
| 138.23.55.180 | sprlab-rsrv-55-180.bulk.ucr.edu | 0 | | |
| 138.23.55.181 | sprlab-rsrv-55-181.bulk.ucr.edu | 0 | | |
| 138.23.55.182 | sprlab-rsrv-55-182.bulk.ucr.edu | 0 | | |
| 138.23.55.183 | sprlab-rsrv-55-183.bulk.ucr.edu | 0 | | |
| 138.23.55.184 | sprlab-rsrv-55-184.bulk.ucr.edu | 0 | | |
| 138.23.55.185 | sprlab-rsrv-55-185.bulk.ucr.edu | 0 | | |
| 138.23.55.186 | sprlab-rsrv-55-186.bulk.ucr.edu | 0 | | |
| 138.23.55.187 | sprlab-rsrv-55-187.bulk.ucr.edu | 0 | | |
| 138.23.55.188 | sprlab-rsrv-55-188.bulk.ucr.edu | 0 | | |
| 138.23.55.189 | sprlab-rsrv-55-189.bulk.ucr.edu | 0 | | |
| 138.23.55.190 | sprlab-rsrv-55-190.bulk.ucr.edu | 0 | | |
| 138.23.55.191 | sprlab-rsrv-55-191.bulk.ucr.edu | 0 | | |
| 138.23.55.192 | sprlab-rsrv-55-192.bulk.ucr.edu | 0 | | |
| 138.23.55.193 | sprlab-rsrv-55-193.bulk.ucr.edu | 0 | | |
| 138.23.55.194 | sprlab-rsrv-55-194.bulk.ucr.edu | 0 | | |
| 138.23.55.195 | sprlab-rsrv-55-195.bulk.ucr.edu | 0 | | |
| 138.23.55.196 | sprlab-rsrv-55-196.bulk.ucr.edu | 0 | | |
| 138.23.55.197 | sprlab-rsrv-55-197.bulk.ucr.edu | 0 | | |
| 138.23.55.198 | sprlab-rsrv-55-198.bulk.ucr.edu | 0 | | |
| 138.23.55.199 | sprlab-rsrv-55-199.bulk.ucr.edu | 0 | | |
| 138.23.55.200 | sprlab-rsrv-55-200.bulk.ucr.edu | 0 | | |
| 138.23.55.201 | sprlab-rsrv-55-201.bulk.ucr.edu | 0 | | |
| 138.23.55.202 | sprlab-rsrv-55-202.bulk.ucr.edu | 0 | | |
| 138.23.55.203 | sprlab-rsrv-55-203.bulk.ucr.edu | 0 | | |
| 138.23.55.204 | sprlab-rsrv-55-204.bulk.ucr.edu | 0 | | |
| 138.23.55.205 | sprlab-rsrv-55-205.bulk.ucr.edu | 0 | | |
| 138.23.55.206 | sprlab-rsrv-55-206.bulk.ucr.edu | 0 | | |
| 138.23.55.207 | sprlab-rsrv-55-207.bulk.ucr.edu | 0 | | |
| 138.23.55.208 | sprlab-rsrv-55-208.bulk.ucr.edu | 0 | | |
| 138.23.55.209 | sprlab-rsrv-55-209.bulk.ucr.edu | 0 | | |
| 138.23.55.210 | sprlab-rsrv-55-210.bulk.ucr.edu | 0 | | |
| 138.23.55.211 | sprlab-rsrv-55-211.bulk.ucr.edu | 0 | | |
| 138.23.55.212 | sprlab-rsrv-55-212.bulk.ucr.edu | 0 | | |
| 138.23.55.213 | sprlab-rsrv-55-213.bulk.ucr.edu | 0 | | |
| 138.23.55.214 | sprlab-rsrv-55-214.bulk.ucr.edu | 0 | | |
| 138.23.55.215 | sprlab-rsrv-55-215.bulk.ucr.edu | 0 | | |
| 138.23.55.216 | sprlab-rsrv-55-216.bulk.ucr.edu | 0 | | |
| 138.23.55.217 | sprlab-rsrv-55-217.bulk.ucr.edu | 0 | | |
| 138.23.55.218 | sprlab-rsrv-55-218.bulk.ucr.edu | 0 | | |
| 138.23.55.219 | sprlab-rsrv-55-219.bulk.ucr.edu | 0 | | |
| 138.23.55.220 | sprlab-rsrv-55-220.bulk.ucr.edu | 0 | | |
| 138.23.55.221 | sprlab-rsrv-55-221.bulk.ucr.edu | 0 | | |
| 138.23.55.222 | sprlab-rsrv-55-222.bulk.ucr.edu | 0 | | |
| 138.23.55.223 | collab01.ucr.edu | 0 | | |
| 138.23.55.224 | collab02.ucr.edu | 0 | | |
| 138.23.55.225 | collab03.ucr.edu | 0 | | |
| 138.23.55.226 | collab04.ucr.edu | 0 | | |
| 138.23.55.227 | collab05.ucr.edu | 0 | | |
| 138.23.55.228 | collab06.ucr.edu | 0 | | |
| 138.23.55.229 | collab07.ucr.edu | 0 | | |
| 138.23.55.230 | collab08.ucr.edu | 0 | | |
| 138.23.55.231 | collab09.ucr.edu | 0 | | |
| 138.23.55.232 | collab10.ucr.edu | 0 | | |
| 138.23.55.233 | collab11.ucr.edu | 0 | | |
| 138.23.55.234 | collab12.ucr.edu | 0 | | |
| 138.23.55.235 | collab13.ucr.edu | 0 | | |
| 138.23.55.236 | collab14.ucr.edu | 0 | | |
| 138.23.55.237 | collab15.ucr.edu | 0 | | |
| 138.23.55.238 | collab16.ucr.edu | 0 | | |
| 138.23.55.239 | collab17.ucr.edu | 0 | | |
| 138.23.55.240 | collab18.ucr.edu | 0 | | |
| 138.23.55.241 | collab19.ucr.edu | 0 | | |
| 138.23.55.242 | collab20.ucr.edu | 0 | | |
| 138.23.55.243 | collab21.ucr.edu | 0 | | |
| 138.23.55.244 | collab22.ucr.edu | 0 | | |
| 138.23.55.245 | collab23.ucr.edu | 0 | | |
| 138.23.55.246 | collab24.ucr.edu | 0 | | |
| 138.23.55.247 | collab25.ucr.edu | 0 | | |
| 138.23.55.248 | collab26.ucr.edu | 0 | | |
| 138.23.55.249 | collab27.ucr.edu | 0 | | |
| 138.23.55.250 | collab28.ucr.edu | 0 | | |
| 138.23.55.251 | collab29.ucr.edu | 0 | | |
| 138.23.55.252 | collab30.ucr.edu | 0 | | |
| 138.23.55.253 | collabprof01.ucr.edu | 0 | | |
| 138.23.55.254 | collabprof02.ucr.edu | 0 | | |
| 138.23.55.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 138.23.55.57
traceroute to 138.23.55.57 (138.23.55.57): 64 hops max, 52 byte packets
6 *
12 *
13 *
Measurement taken from 
IPinfo ProbeNet in Los Angeles, US
IPinfo ProbeNet in Los Angeles, USOn