Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 218 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.211.0 | — | 0 |  | |
| 128.138.211.1 | tcom-gw-umc211.colorado.edu | 0 | | |
| 128.138.211.2 | — | 0 | | |
| 128.138.211.3 | — | 0 | | |
| 128.138.211.4 | — | 0 | | |
| 128.138.211.5 | — | 0 | | |
| 128.138.211.6 | — | 0 | | |
| 128.138.211.7 | umc-printers2.colorado.edu | 0 | | |
| 128.138.211.8 | — | 0 | | |
| 128.138.211.9 | csi-xerox-printer.colorado.edu | 0 | | |
| 128.138.211.10 | cu-umc-211-211-10.colorado.edu | 0 | | |
| 128.138.211.11 | cu-umc-211-211-11.colorado.edu | 0 | | |
| 128.138.211.12 | cu-umc-211-211-12.colorado.edu | 0 | | |
| 128.138.211.13 | cu-umc-211-211-13.colorado.edu | 0 | | |
| 128.138.211.14 | cu-umc-211-211-14.colorado.edu | 0 | | |
| 128.138.211.15 | dd-ada-01.colorado.edu | 0 | | |
| 128.138.211.16 | dd-ada-02.colorado.edu | 0 | | |
| 128.138.211.17 | umc-switch-03.colorado.edu | 0 | | |
| 128.138.211.18 | umc-marketfile.colorado.edu | 0 | | |
| 128.138.211.19 | umc-switch-01.colorado.edu | 0 | | |
| 128.138.211.20 | umc-switch-02.colorado.edu | 0 | | |
| 128.138.211.21 | umc-3-08-p1.colorado.edu | 0 | | |
| 128.138.211.22 | umc-vcenter-6-7.colorado.edu | 0 | | |
| 128.138.211.23 | umc-3-05-f1.colorado.edu | 0 | | |
| 128.138.211.24 | umc-308a-prnt.colorado.edu | 0 | | |
| 128.138.211.25 | umc-3-05-a1.colorado.edu | 0 | | |
| 128.138.211.26 | umc-3-08-z3.colorado.edu | 0 | | |
| 128.138.211.27 | — | 0 | | |
| 128.138.211.28 | ecprint.colorado.edu | 0 | | |
| 128.138.211.29 | umc-boco-ballotbox.colorado.edu | 0 | | |
| 128.138.211.30 | dd-mrkt-233.colorado.edu | 0 | | |
| 128.138.211.31 | umc-digital1.colorado.edu | 0 | | |
| 128.138.211.32 | umc-digital2.colorado.edu | 0 | | |
| 128.138.211.33 | cu-umc-211-33.colorado.edu | 0 | | |
| 128.138.211.34 | umc-0-14-a5.colorado.edu | 0 | | |
| 128.138.211.35 | umc-3-08-z2.colorado.edu | 0 | | |
| 128.138.211.36 | umc-itcameras.colorado.edu | 0 | | |
| 128.138.211.37 | dd-mrkt-seca.colorado.edu | 0 | | |
| 128.138.211.38 | — | 0 | | |
| 128.138.211.39 | umc-skyjet2.colorado.edu | 0 | | |
| 128.138.211.40 | atrium-sensor2.colorado.edu | 0 | | |
| 128.138.211.41 | — | 0 | | |
| 128.138.211.42 | — | 0 | | |
| 128.138.211.43 | — | 0 | | |
| 128.138.211.44 | umc-files22.colorado.edu | 0 | | |
| 128.138.211.45 | — | 0 | | |
| 128.138.211.46 | — | 0 | | |
| 128.138.211.47 | — | 0 | | |
| 128.138.211.48 | gmbr-sensor2.colorado.edu | 0 | | |
| 128.138.211.49 | — | 0 | | |
| 128.138.211.50 | umc-wds.colorado.edu | 0 | | |
| 128.138.211.51 | umc-vcenter-8.colorado.edu | 0 | | |
| 128.138.211.52 | — | 0 | | |
| 128.138.211.53 | umc-germhound.colorado.edu | 0 | | |
| 128.138.211.54 | umc-scg.colorado.edu | 0 | | |
| 128.138.211.55 | umc-3-05-c1.colorado.edu | 0 | | |
| 128.138.211.56 | umc-esx-04-drac.colorado.edu | 0 | | |
| 128.138.211.57 | umc-esx-05-drac.colorado.edu | 0 | | |
| 128.138.211.58 | umc-3-70-p1.colorado.edu | 0 | | |
| 128.138.211.59 | umc-esx-01.colorado.edu | 0 | | |
| 128.138.211.60 | umc-esx-01-drac.colorado.edu | 0 | | |
| 128.138.211.61 | umc-esx-02.colorado.edu | 0 | | |
| 128.138.211.62 | umc-esx-02-drac.colorado.edu | 0 | | |
| 128.138.211.63 | umc-gamma.colorado.edu | 0 | | |
| 128.138.211.64 | umc-3-05-z1.colorado.edu | 0 | | |
| 128.138.211.65 | umc-3-05-z2.colorado.edu | 0 | | |
| 128.138.211.66 | — | 0 | | |
| 128.138.211.67 | umc-1-66-p1.colorado.edu | 0 | | |
| 128.138.211.68 | — | 0 | | |
| 128.138.211.69 | — | 0 | | |
| 128.138.211.70 | — | 0 | | |
| 128.138.211.71 | umc-1-40-p2.colorado.edu | 0 | | |
| 128.138.211.72 | umc-3-05-p3.colorado.edu | 0 | | |
| 128.138.211.73 | umc-4-01-p2.colorado.edu | 0 | | |
| 128.138.211.74 | umc-vcenter.colorado.edu | 0 | | |
| 128.138.211.75 | umc-nimble.colorado.edu | 0 | | |
| 128.138.211.76 | umc-nimble-a.colorado.edu | 0 | | |
| 128.138.211.77 | umc-nimble-b.colorado.edu | 0 | | |
| 128.138.211.78 | cu-umc-211-211-78.colorado.edu | 0 | | |
| 128.138.211.79 | csi-filemaker.colorado.edu | 0 | | |
| 128.138.211.80 | — | 0 | | |
| 128.138.211.81 | umc-esx-04.colorado.edu | 0 | | |
| 128.138.211.82 | umc-esx-05.colorado.edu | 0 | | |
| 128.138.211.83 | — | 0 | | |
| 128.138.211.84 | umc-1-62-z2.colorado.edu | 0 | | |
| 128.138.211.85 | — | 0 | | |
| 128.138.211.86 | umc-1-40-d1.colorado.edu | 0 | | |
| 128.138.211.87 | — | 0 | | |
| 128.138.211.88 | umc-files21.colorado.edu | 0 | | |
| 128.138.211.89 | umc-db.colorado.edu | 0 | | |
| 128.138.211.90 | umc-eatec.colorado.edu | 0 | | |
| 128.138.211.91 | — | 0 | | |
| 128.138.211.92 | — | 0 | | |
| 128.138.211.93 | — | 0 | | |
| 128.138.211.94 | — | 0 | | |
| 128.138.211.95 | — | 0 | | |
| 128.138.211.96 | — | 0 | | |
| 128.138.211.97 | — | 0 | | |
| 128.138.211.98 | — | 0 | | |
| 128.138.211.99 | cu-umc-211-99.colorado.edu | 0 | | |
| 128.138.211.100 | umc-cameras.colorado.edu | 0 | | |
| 128.138.211.101 | umc-0-14-a1.colorado.edu | 0 | | |
| 128.138.211.102 | umc-esx-03.colorado.edu | 0 | | |
| 128.138.211.103 | umc-theta.colorado.edu | 0 | | |
| 128.138.211.104 | aphex-kappa.colorado.edu | 0 | | |
| 128.138.211.105 | umc-skyjet.colorado.edu | 0 | | |
| 128.138.211.106 | umc-store.colorado.edu | 0 | | |
| 128.138.211.107 | umc-bridge.colorado.edu | 0 | | |
| 128.138.211.108 | — | 0 | | |
| 128.138.211.109 | umc-alpha2.colorado.edu | 0 | | |
| 128.138.211.110 | umcoutreach.colorado.edu | 0 | | |
| 128.138.211.111 | cusg-p-002.colorado.edu | 0 | | |
| 128.138.211.112 | — | 0 | | |
| 128.138.211.113 | — | 0 | | |
| 128.138.211.114 | dd-bwlng-01.colorado.edu | 0 | | |
| 128.138.211.115 | dd-mrkt-160.colorado.edu | 0 | | |
| 128.138.211.116 | — | 0 | | |
| 128.138.211.117 | dd-mrkt-130.colorado.edu | 0 | | |
| 128.138.211.118 | umc-0-14-c2.colorado.edu | 0 | | |
| 128.138.211.119 | umc-1-66-a2.colorado.edu | 0 | | |
| 128.138.211.120 | umc-kronos7.colorado.edu | 0 | | |
| 128.138.211.121 | cu-umc-211-128.138.211.121.colorado.edu | 0 | | |
| 128.138.211.122 | cu-umc-211-128.138.211.122.colorado.edu | 0 | | |
| 128.138.211.123 | cu-umc-211-128.138.211.123.colorado.edu | 0 | | |
| 128.138.211.124 | cu-umc-211-128.138.211.124.colorado.edu | 0 | | |
| 128.138.211.125 | cu-umc-211-128.138.211.125.colorado.edu | 0 | | |
| 128.138.211.126 | cu-umc-211-128.138.211.126.colorado.edu | 0 | | |
| 128.138.211.127 | cu-umc-211-128.138.211.127.colorado.edu | 0 | | |
| 128.138.211.128 | cu-umc-211-128.138.211.128.colorado.edu | 0 | | |
| 128.138.211.129 | cu-umc-211-128.138.211.129.colorado.edu | 0 | | |
| 128.138.211.130 | cu-umc-211-128.138.211.130.colorado.edu | 0 | | |
| 128.138.211.131 | cu-umc-211-128.138.211.131.colorado.edu | 0 | | |
| 128.138.211.132 | cu-umc-211-128.138.211.132.colorado.edu | 0 | | |
| 128.138.211.133 | cu-umc-211-128.138.211.133.colorado.edu | 0 | | |
| 128.138.211.134 | cu-umc-211-128.138.211.134.colorado.edu | 0 | | |
| 128.138.211.135 | cu-umc-211-128.138.211.135.colorado.edu | 0 | | |
| 128.138.211.136 | cu-umc-211-128.138.211.136.colorado.edu | 0 | | |
| 128.138.211.137 | cu-umc-211-128.138.211.137.colorado.edu | 0 | | |
| 128.138.211.138 | cu-umc-211-128.138.211.138.colorado.edu | 0 | | |
| 128.138.211.139 | cu-umc-211-128.138.211.139.colorado.edu | 0 | | |
| 128.138.211.140 | cu-umc-211-128.138.211.140.colorado.edu | 0 | | |
| 128.138.211.141 | cu-umc-211-128.138.211.141.colorado.edu | 0 | | |
| 128.138.211.142 | cu-umc-211-128.138.211.142.colorado.edu | 0 | | |
| 128.138.211.143 | cu-umc-211-128.138.211.143.colorado.edu | 0 | | |
| 128.138.211.144 | cu-umc-211-128.138.211.144.colorado.edu | 0 | | |
| 128.138.211.145 | cu-umc-211-128.138.211.145.colorado.edu | 0 | | |
| 128.138.211.146 | cu-umc-211-128.138.211.146.colorado.edu | 0 | | |
| 128.138.211.147 | cu-umc-211-128.138.211.147.colorado.edu | 0 | | |
| 128.138.211.148 | cu-umc-211-128.138.211.148.colorado.edu | 0 | | |
| 128.138.211.149 | cu-umc-211-128.138.211.149.colorado.edu | 0 | | |
| 128.138.211.150 | cu-umc-211-128.138.211.150.colorado.edu | 0 | | |
| 128.138.211.151 | cu-umc-211-128.138.211.151.colorado.edu | 0 | | |
| 128.138.211.152 | cu-umc-211-128.138.211.152.colorado.edu | 0 | | |
| 128.138.211.153 | cu-umc-211-128.138.211.153.colorado.edu | 0 | | |
| 128.138.211.154 | cu-umc-211-128.138.211.154.colorado.edu | 0 | | |
| 128.138.211.155 | cu-umc-211-128.138.211.155.colorado.edu | 0 | | |
| 128.138.211.156 | cu-umc-211-128.138.211.156.colorado.edu | 0 | | |
| 128.138.211.157 | cu-umc-211-128.138.211.157.colorado.edu | 0 | | |
| 128.138.211.158 | cu-umc-211-128.138.211.158.colorado.edu | 0 | | |
| 128.138.211.159 | cu-umc-211-128.138.211.159.colorado.edu | 0 | | |
| 128.138.211.160 | cu-umc-211-128.138.211.160.colorado.edu | 0 | | |
| 128.138.211.161 | cu-umc-211-128.138.211.161.colorado.edu | 0 | | |
| 128.138.211.162 | cu-umc-211-128.138.211.162.colorado.edu | 0 | | |
| 128.138.211.163 | cu-umc-211-128.138.211.163.colorado.edu | 0 | | |
| 128.138.211.164 | cu-umc-211-128.138.211.164.colorado.edu | 0 | | |
| 128.138.211.165 | cu-umc-211-128.138.211.165.colorado.edu | 0 | | |
| 128.138.211.166 | cu-umc-211-128.138.211.166.colorado.edu | 0 | | |
| 128.138.211.167 | cu-umc-211-128.138.211.167.colorado.edu | 0 | | |
| 128.138.211.168 | cu-umc-211-128.138.211.168.colorado.edu | 0 | | |
| 128.138.211.169 | cu-umc-211-128.138.211.169.colorado.edu | 0 | | |
| 128.138.211.170 | cu-umc-211-128.138.211.170.colorado.edu | 0 | | |
| 128.138.211.171 | cu-umc-211-128.138.211.171.colorado.edu | 0 | | |
| 128.138.211.172 | cu-umc-211-128.138.211.172.colorado.edu | 0 | | |
| 128.138.211.173 | cu-umc-211-128.138.211.173.colorado.edu | 0 | | |
| 128.138.211.174 | cu-umc-211-128.138.211.174.colorado.edu | 0 | | |
| 128.138.211.175 | cu-umc-211-128.138.211.175.colorado.edu | 0 | | |
| 128.138.211.176 | cu-umc-211-128.138.211.176.colorado.edu | 0 | | |
| 128.138.211.177 | cu-umc-211-128.138.211.177.colorado.edu | 0 | | |
| 128.138.211.178 | cu-umc-211-128.138.211.178.colorado.edu | 0 | | |
| 128.138.211.179 | cu-umc-211-128.138.211.179.colorado.edu | 0 | | |
| 128.138.211.180 | cu-umc-211-128.138.211.180.colorado.edu | 0 | | |
| 128.138.211.181 | cu-umc-211-128.138.211.181.colorado.edu | 0 | | |
| 128.138.211.182 | cu-umc-211-128.138.211.182.colorado.edu | 0 | | |
| 128.138.211.183 | cu-umc-211-128.138.211.183.colorado.edu | 0 | | |
| 128.138.211.184 | cu-umc-211-128.138.211.184.colorado.edu | 0 | | |
| 128.138.211.185 | cu-umc-211-128.138.211.185.colorado.edu | 0 | | |
| 128.138.211.186 | cu-umc-211-128.138.211.186.colorado.edu | 0 | | |
| 128.138.211.187 | cu-umc-211-128.138.211.187.colorado.edu | 0 | | |
| 128.138.211.188 | cu-umc-211-128.138.211.188.colorado.edu | 0 | | |
| 128.138.211.189 | cu-umc-211-128.138.211.189.colorado.edu | 0 | | |
| 128.138.211.190 | cu-umc-211-128.138.211.190.colorado.edu | 0 | | |
| 128.138.211.191 | cu-umc-211-128.138.211.191.colorado.edu | 0 | | |
| 128.138.211.192 | cu-umc-211-128.138.211.192.colorado.edu | 0 | | |
| 128.138.211.193 | cu-umc-211-128.138.211.193.colorado.edu | 0 | | |
| 128.138.211.194 | cu-umc-211-128.138.211.194.colorado.edu | 0 | | |
| 128.138.211.195 | cu-umc-211-128.138.211.195.colorado.edu | 0 | | |
| 128.138.211.196 | cu-umc-211-128.138.211.196.colorado.edu | 0 | | |
| 128.138.211.197 | cu-umc-211-128.138.211.197.colorado.edu | 0 | | |
| 128.138.211.198 | cu-umc-211-128.138.211.198.colorado.edu | 0 | | |
| 128.138.211.199 | cu-umc-211-128.138.211.199.colorado.edu | 0 | | |
| 128.138.211.200 | cu-umc-211-128.138.211.200.colorado.edu | 0 | | |
| 128.138.211.201 | cu-umc-211-128.138.211.201.colorado.edu | 0 | | |
| 128.138.211.202 | cu-umc-211-128.138.211.202.colorado.edu | 0 | | |
| 128.138.211.203 | cu-umc-211-128.138.211.203.colorado.edu | 0 | | |
| 128.138.211.204 | cu-umc-211-128.138.211.204.colorado.edu | 0 | | |
| 128.138.211.205 | cu-umc-211-128.138.211.205.colorado.edu | 0 | | |
| 128.138.211.206 | cu-umc-211-128.138.211.206.colorado.edu | 0 | | |
| 128.138.211.207 | cu-umc-211-128.138.211.207.colorado.edu | 0 | | |
| 128.138.211.208 | cu-umc-211-128.138.211.208.colorado.edu | 0 | | |
| 128.138.211.209 | cu-umc-211-128.138.211.209.colorado.edu | 0 | | |
| 128.138.211.210 | cu-umc-211-128.138.211.210.colorado.edu | 0 | | |
| 128.138.211.211 | cu-umc-211-128.138.211.211.colorado.edu | 0 | | |
| 128.138.211.212 | cu-umc-211-128.138.211.212.colorado.edu | 0 | | |
| 128.138.211.213 | cu-umc-211-128.138.211.213.colorado.edu | 0 | | |
| 128.138.211.214 | cu-umc-211-128.138.211.214.colorado.edu | 0 | | |
| 128.138.211.215 | cu-umc-211-128.138.211.215.colorado.edu | 0 | | |
| 128.138.211.216 | cu-umc-211-128.138.211.216.colorado.edu | 0 | | |
| 128.138.211.217 | cu-umc-211-128.138.211.217.colorado.edu | 0 | | |
| 128.138.211.218 | cu-umc-211-128.138.211.218.colorado.edu | 0 | | |
| 128.138.211.219 | cu-umc-211-128.138.211.219.colorado.edu | 0 | | |
| 128.138.211.220 | cu-umc-211-128.138.211.220.colorado.edu | 0 | | |
| 128.138.211.221 | cu-umc-211-128.138.211.221.colorado.edu | 0 | | |
| 128.138.211.222 | cu-umc-211-128.138.211.222.colorado.edu | 0 | | |
| 128.138.211.223 | cu-umc-211-128.138.211.223.colorado.edu | 0 | | |
| 128.138.211.224 | cu-umc-211-128.138.211.224.colorado.edu | 0 | | |
| 128.138.211.225 | cu-umc-211-128.138.211.225.colorado.edu | 0 | | |
| 128.138.211.226 | cu-umc-211-128.138.211.226.colorado.edu | 0 | | |
| 128.138.211.227 | cu-umc-211-128.138.211.227.colorado.edu | 0 | | |
| 128.138.211.228 | cu-umc-211-128.138.211.228.colorado.edu | 0 | | |
| 128.138.211.229 | cu-umc-211-128.138.211.229.colorado.edu | 0 | | |
| 128.138.211.230 | cu-umc-211-128.138.211.230.colorado.edu | 0 | | |
| 128.138.211.231 | cu-umc-211-128.138.211.231.colorado.edu | 0 | | |
| 128.138.211.232 | cu-umc-211-128.138.211.232.colorado.edu | 0 | | |
| 128.138.211.233 | cu-umc-211-128.138.211.233.colorado.edu | 0 | | |
| 128.138.211.234 | cu-umc-211-128.138.211.234.colorado.edu | 0 | | |
| 128.138.211.235 | cu-umc-211-128.138.211.235.colorado.edu | 0 | | |
| 128.138.211.236 | cu-umc-211-128.138.211.236.colorado.edu | 0 | | |
| 128.138.211.237 | cu-umc-211-128.138.211.237.colorado.edu | 0 | | |
| 128.138.211.238 | cu-umc-211-128.138.211.238.colorado.edu | 0 | | |
| 128.138.211.239 | cu-umc-211-128.138.211.239.colorado.edu | 0 | | |
| 128.138.211.240 | cu-umc-211-128.138.211.240.colorado.edu | 0 | | |
| 128.138.211.241 | cu-umc-211-128.138.211.241.colorado.edu | 0 | | |
| 128.138.211.242 | cu-umc-211-128.138.211.242.colorado.edu | 0 | | |
| 128.138.211.243 | cu-umc-211-128.138.211.243.colorado.edu | 0 | | |
| 128.138.211.244 | cu-umc-211-128.138.211.244.colorado.edu | 0 | | |
| 128.138.211.245 | cu-umc-211-128.138.211.245.colorado.edu | 0 | | |
| 128.138.211.246 | cu-umc-211-128.138.211.246.colorado.edu | 0 | | |
| 128.138.211.247 | cu-umc-211-128.138.211.247.colorado.edu | 0 | | |
| 128.138.211.248 | cu-umc-211-128.138.211.248.colorado.edu | 0 | | |
| 128.138.211.249 | cu-umc-211-128.138.211.249.colorado.edu | 0 | | |
| 128.138.211.250 | cu-umc-211-128.138.211.250.colorado.edu | 0 | | |
| 128.138.211.251 | cu-umc-211-128.138.211.251.colorado.edu | 0 | | |
| 128.138.211.252 | cu-umc-211-128.138.211.252.colorado.edu | 0 | | |
| 128.138.211.253 | cu-umc-211-128.138.211.253.colorado.edu | 0 | | |
| 128.138.211.254 | cu-umc-211-128.138.211.254.colorado.edu | 0 | | |
| 128.138.211.255 | — | 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 -m10 128.138.211.123
traceroute to 128.138.211.123 (128.138.211.123): 10 hops max, 52 byte packets
6 *
8 *
9 *
10 *
Measurement taken from 
IPinfo ProbeNet in Leeds, GB
IPinfo ProbeNet in Leeds, GBOn