Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 166 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.153.0 | — | 0 |  | |
| 128.138.153.1 | litr-gw-utp.colorado.edu | 0 | | |
| 128.138.153.2 | — | 0 | | |
| 128.138.153.3 | — | 0 | | |
| 128.138.153.4 | — | 0 | | |
| 128.138.153.5 | — | 0 | | |
| 128.138.153.6 | — | 0 | | |
| 128.138.153.7 | — | 0 | | |
| 128.138.153.8 | — | 0 | | |
| 128.138.153.9 | litr153-9.colorado.edu | 0 | | |
| 128.138.153.10 | hippy.colorado.edu | 0 | | |
| 128.138.153.11 | oit-p-007.colorado.edu | 0 | | |
| 128.138.153.12 | bursar-p-005.colorado.edu | 0 | | |
| 128.138.153.13 | crossczo.colorado.edu | 0 | | |
| 128.138.153.14 | cu-litr-153-14.colorado.edu | 0 | | |
| 128.138.153.15 | cu-litr-153-15.colorado.edu | 0 | | |
| 128.138.153.16 | cu-litr-153-16.colorado.edu | 0 | | |
| 128.138.153.17 | fsc-konica.colorado.edu | 0 | | |
| 128.138.153.18 | fsc-brother.colorado.edu | 0 | | |
| 128.138.153.19 | fm-153-19.colorado.edu | 0 | | |
| 128.138.153.20 | — | 0 | | |
| 128.138.153.21 | oit-p-005.colorado.edu | 0 | | |
| 128.138.153.22 | snosquall.colorado.edu | 0 | | |
| 128.138.153.23 | oit-p-006.colorado.edu | 0 | | |
| 128.138.153.24 | beta.colorado.edu | 0 | | |
| 128.138.153.25 | ibl.colorado.edu | 0 | | |
| 128.138.153.26 | combe.colorado.edu | 0 | | |
| 128.138.153.27 | cupd1.colorado.edu | 0 | | |
| 128.138.153.28 | cupd2.colorado.edu | 0 | | |
| 128.138.153.29 | cupd3.colorado.edu | 0 | | |
| 128.138.153.30 | cupd4.colorado.edu | 0 | | |
| 128.138.153.31 | cupd5.colorado.edu | 0 | | |
| 128.138.153.32 | aaar.colorado.edu | 0 | | |
| 128.138.153.33 | cupd6.colorado.edu | 0 | | |
| 128.138.153.34 | cupd7.colorado.edu | 0 | | |
| 128.138.153.35 | cupd8.colorado.edu | 0 | | |
| 128.138.153.36 | kiowaprinter.colorado.edu | 0 | | |
| 128.138.153.37 | litr-153-37.colorado.edu | 0 | | |
| 128.138.153.38 | cedu-p-010.colorado.edu | 0 | | |
| 128.138.153.39 | cedu-mfp4301fdn.colorado.edu | 0 | | |
| 128.138.153.40 | — | 0 | | |
| 128.138.153.41 | fuego.colorado.edu | 0 | | |
| 128.138.153.42 | — | 0 | | |
| 128.138.153.43 | jorge.colorado.edu | 0 | | |
| 128.138.153.44 | odopicarro.colorado.edu | 0 | | |
| 128.138.153.45 | — | 0 | | |
| 128.138.153.46 | — | 0 | | |
| 128.138.153.47 | — | 0 | | |
| 128.138.153.48 | focolor.colorado.edu | 0 | | |
| 128.138.153.49 | nate-czo.colorado.edu | 0 | | |
| 128.138.153.50 | p08c4331-urm.colorado.edu | 0 | | |
| 128.138.153.51 | featherprint.colorado.edu | 0 | | |
| 128.138.153.52 | truckee.colorado.edu | 0 | | |
| 128.138.153.53 | oit-vid-001.colorado.edu | 0 | | |
| 128.138.153.54 | aspartic.colorado.edu | 0 | | |
| 128.138.153.55 | litr153-55.colorado.edu | 0 | | |
| 128.138.153.56 | — | 0 | | |
| 128.138.153.57 | — | 0 | | |
| 128.138.153.58 | — | 0 | | |
| 128.138.153.59 | — | 0 | | |
| 128.138.153.60 | — | 0 | | |
| 128.138.153.61 | — | 0 | | |
| 128.138.153.62 | — | 0 | | |
| 128.138.153.63 | carbonito.colorado.edu | 0 | | |
| 128.138.153.64 | agua.colorado.edu | 0 | | |
| 128.138.153.65 | natasha.colorado.edu | 0 | | |
| 128.138.153.66 | organico.colorado.edu | 0 | | |
| 128.138.153.67 | — | 0 | | |
| 128.138.153.68 | laluna.colorado.edu | 0 | | |
| 128.138.153.69 | mesita.colorado.edu | 0 | | |
| 128.138.153.70 | — | 0 | | |
| 128.138.153.71 | — | 0 | | |
| 128.138.153.72 | — | 0 | | |
| 128.138.153.73 | instaarrl1.colorado.edu | 0 | | |
| 128.138.153.74 | — | 0 | | |
| 128.138.153.75 | — | 0 | | |
| 128.138.153.76 | — | 0 | | |
| 128.138.153.77 | — | 0 | | |
| 128.138.153.78 | c14hp.colorado.edu | 0 | | |
| 128.138.153.79 | — | 0 | | |
| 128.138.153.80 | lehman.colorado.edu | 0 | | |
| 128.138.153.81 | c14color.colorado.edu | 0 | | |
| 128.138.153.82 | — | 0 | | |
| 128.138.153.83 | fofilesbu.colorado.edu | 0 | | |
| 128.138.153.84 | alkenonehp.colorado.edu | 0 | | |
| 128.138.153.85 | — | 0 | | |
| 128.138.153.86 | — | 0 | | |
| 128.138.153.87 | sevenofnine.colorado.edu | 0 | | |
| 128.138.153.88 | — | 0 | | |
| 128.138.153.89 | — | 0 | | |
| 128.138.153.90 | — | 0 | | |
| 128.138.153.91 | — | 0 | | |
| 128.138.153.92 | — | 0 | | |
| 128.138.153.93 | — | 0 | | |
| 128.138.153.94 | — | 0 | | |
| 128.138.153.95 | — | 0 | | |
| 128.138.153.96 | — | 0 | | |
| 128.138.153.97 | — | 0 | | |
| 128.138.153.98 | — | 0 | | |
| 128.138.153.99 | — | 0 | | |
| 128.138.153.100 | — | 0 | | |
| 128.138.153.101 | — | 0 | | |
| 128.138.153.102 | — | 0 | | |
| 128.138.153.103 | phlox.colorado.edu | 0 | | |
| 128.138.153.104 | — | 0 | | |
| 128.138.153.105 | — | 0 | | |
| 128.138.153.106 | — | 0 | | |
| 128.138.153.107 | — | 0 | | |
| 128.138.153.108 | — | 0 | | |
| 128.138.153.109 | — | 0 | | |
| 128.138.153.110 | — | 0 | | |
| 128.138.153.111 | — | 0 | | |
| 128.138.153.112 | — | 0 | | |
| 128.138.153.113 | — | 0 | | |
| 128.138.153.114 | — | 0 | | |
| 128.138.153.115 | — | 0 | | |
| 128.138.153.116 | — | 0 | | |
| 128.138.153.117 | — | 0 | | |
| 128.138.153.118 | — | 0 | | |
| 128.138.153.119 | — | 0 | | |
| 128.138.153.120 | — | 0 | | |
| 128.138.153.121 | — | 0 | | |
| 128.138.153.122 | — | 0 | | |
| 128.138.153.123 | — | 0 | | |
| 128.138.153.124 | — | 0 | | |
| 128.138.153.125 | — | 0 | | |
| 128.138.153.126 | — | 0 | | |
| 128.138.153.127 | — | 0 | | |
| 128.138.153.128 | — | 0 | | |
| 128.138.153.129 | — | 0 | | |
| 128.138.153.130 | — | 0 | | |
| 128.138.153.131 | — | 0 | | |
| 128.138.153.132 | — | 0 | | |
| 128.138.153.133 | — | 0 | | |
| 128.138.153.134 | — | 0 | | |
| 128.138.153.135 | — | 0 | | |
| 128.138.153.136 | — | 0 | | |
| 128.138.153.137 | — | 0 | | |
| 128.138.153.138 | — | 0 | | |
| 128.138.153.139 | — | 0 | | |
| 128.138.153.140 | — | 0 | | |
| 128.138.153.141 | — | 0 | | |
| 128.138.153.142 | — | 0 | | |
| 128.138.153.143 | — | 0 | | |
| 128.138.153.144 | — | 0 | | |
| 128.138.153.145 | cu-litr-128.138.153.145.colorado.edu | 0 | | |
| 128.138.153.146 | cu-litr-128.138.153.146.colorado.edu | 0 | | |
| 128.138.153.147 | cu-litr-128.138.153.147.colorado.edu | 0 | | |
| 128.138.153.148 | cu-litr-128.138.153.148.colorado.edu | 0 | | |
| 128.138.153.149 | cu-litr-128.138.153.149.colorado.edu | 0 | | |
| 128.138.153.150 | cu-litr-128.138.153.150.colorado.edu | 0 | | |
| 128.138.153.151 | cu-litr-128.138.153.151.colorado.edu | 0 | | |
| 128.138.153.152 | cu-litr-128.138.153.152.colorado.edu | 0 | | |
| 128.138.153.153 | cu-litr-128.138.153.153.colorado.edu | 0 | | |
| 128.138.153.154 | cu-litr-128.138.153.154.colorado.edu | 0 | | |
| 128.138.153.155 | cu-litr-128.138.153.155.colorado.edu | 0 | | |
| 128.138.153.156 | cu-litr-128.138.153.156.colorado.edu | 0 | | |
| 128.138.153.157 | cu-litr-128.138.153.157.colorado.edu | 0 | | |
| 128.138.153.158 | cu-litr-128.138.153.158.colorado.edu | 0 | | |
| 128.138.153.159 | cu-litr-128.138.153.159.colorado.edu | 0 | | |
| 128.138.153.160 | cu-litr-128.138.153.160.colorado.edu | 0 | | |
| 128.138.153.161 | cu-litr-128.138.153.161.colorado.edu | 0 | | |
| 128.138.153.162 | cu-litr-128.138.153.162.colorado.edu | 0 | | |
| 128.138.153.163 | cu-litr-128.138.153.163.colorado.edu | 0 | | |
| 128.138.153.164 | cu-litr-128.138.153.164.colorado.edu | 0 | | |
| 128.138.153.165 | cu-litr-128.138.153.165.colorado.edu | 0 | | |
| 128.138.153.166 | cu-litr-128.138.153.166.colorado.edu | 0 | | |
| 128.138.153.167 | cu-litr-128.138.153.167.colorado.edu | 0 | | |
| 128.138.153.168 | cu-litr-128.138.153.168.colorado.edu | 0 | | |
| 128.138.153.169 | cu-litr-128.138.153.169.colorado.edu | 0 | | |
| 128.138.153.170 | cu-litr-128.138.153.170.colorado.edu | 0 | | |
| 128.138.153.171 | cu-litr-128.138.153.171.colorado.edu | 0 | | |
| 128.138.153.172 | cu-litr-128.138.153.172.colorado.edu | 0 | | |
| 128.138.153.173 | cu-litr-128.138.153.173.colorado.edu | 0 | | |
| 128.138.153.174 | cu-litr-128.138.153.174.colorado.edu | 0 | | |
| 128.138.153.175 | cu-litr-128.138.153.175.colorado.edu | 0 | | |
| 128.138.153.176 | cu-litr-128.138.153.176.colorado.edu | 0 | | |
| 128.138.153.177 | cu-litr-128.138.153.177.colorado.edu | 0 | | |
| 128.138.153.178 | cu-litr-128.138.153.178.colorado.edu | 0 | | |
| 128.138.153.179 | cu-litr-128.138.153.179.colorado.edu | 0 | | |
| 128.138.153.180 | cu-litr-128.138.153.180.colorado.edu | 0 | | |
| 128.138.153.181 | cu-litr-128.138.153.181.colorado.edu | 0 | | |
| 128.138.153.182 | cu-litr-128.138.153.182.colorado.edu | 0 | | |
| 128.138.153.183 | cu-litr-128.138.153.183.colorado.edu | 0 | | |
| 128.138.153.184 | cu-litr-128.138.153.184.colorado.edu | 0 | | |
| 128.138.153.185 | cu-litr-128.138.153.185.colorado.edu | 0 | | |
| 128.138.153.186 | cu-litr-128.138.153.186.colorado.edu | 0 | | |
| 128.138.153.187 | cu-litr-128.138.153.187.colorado.edu | 0 | | |
| 128.138.153.188 | cu-litr-128.138.153.188.colorado.edu | 0 | | |
| 128.138.153.189 | cu-litr-128.138.153.189.colorado.edu | 0 | | |
| 128.138.153.190 | cu-litr-128.138.153.190.colorado.edu | 0 | | |
| 128.138.153.191 | cu-litr-128.138.153.191.colorado.edu | 0 | | |
| 128.138.153.192 | cu-litr-128.138.153.192.colorado.edu | 0 | | |
| 128.138.153.193 | cu-litr-128.138.153.193.colorado.edu | 0 | | |
| 128.138.153.194 | cu-litr-128.138.153.194.colorado.edu | 0 | | |
| 128.138.153.195 | cu-litr-128.138.153.195.colorado.edu | 0 | | |
| 128.138.153.196 | cu-litr-128.138.153.196.colorado.edu | 0 | | |
| 128.138.153.197 | cu-litr-128.138.153.197.colorado.edu | 0 | | |
| 128.138.153.198 | cu-litr-128.138.153.198.colorado.edu | 0 | | |
| 128.138.153.199 | cu-litr-128.138.153.199.colorado.edu | 0 | | |
| 128.138.153.200 | cu-litr-128.138.153.200.colorado.edu | 0 | | |
| 128.138.153.201 | cu-litr-128.138.153.201.colorado.edu | 0 | | |
| 128.138.153.202 | cu-litr-128.138.153.202.colorado.edu | 0 | | |
| 128.138.153.203 | cu-litr-128.138.153.203.colorado.edu | 0 | | |
| 128.138.153.204 | cu-litr-128.138.153.204.colorado.edu | 0 | | |
| 128.138.153.205 | cu-litr-128.138.153.205.colorado.edu | 0 | | |
| 128.138.153.206 | cu-litr-128.138.153.206.colorado.edu | 0 | | |
| 128.138.153.207 | cu-litr-128.138.153.207.colorado.edu | 0 | | |
| 128.138.153.208 | cu-litr-128.138.153.208.colorado.edu | 0 | | |
| 128.138.153.209 | cu-litr-128.138.153.209.colorado.edu | 0 | | |
| 128.138.153.210 | cu-litr-128.138.153.210.colorado.edu | 0 | | |
| 128.138.153.211 | cu-litr-128.138.153.211.colorado.edu | 0 | | |
| 128.138.153.212 | cu-litr-128.138.153.212.colorado.edu | 0 | | |
| 128.138.153.213 | cu-litr-128.138.153.213.colorado.edu | 0 | | |
| 128.138.153.214 | cu-litr-128.138.153.214.colorado.edu | 0 | | |
| 128.138.153.215 | cu-litr-128.138.153.215.colorado.edu | 0 | | |
| 128.138.153.216 | cu-litr-128.138.153.216.colorado.edu | 0 | | |
| 128.138.153.217 | cu-litr-128.138.153.217.colorado.edu | 0 | | |
| 128.138.153.218 | cu-litr-128.138.153.218.colorado.edu | 0 | | |
| 128.138.153.219 | cu-litr-128.138.153.219.colorado.edu | 0 | | |
| 128.138.153.220 | cu-litr-128.138.153.220.colorado.edu | 0 | | |
| 128.138.153.221 | cu-litr-128.138.153.221.colorado.edu | 0 | | |
| 128.138.153.222 | cu-litr-128.138.153.222.colorado.edu | 0 | | |
| 128.138.153.223 | cu-litr-128.138.153.223.colorado.edu | 0 | | |
| 128.138.153.224 | cu-litr-128.138.153.224.colorado.edu | 0 | | |
| 128.138.153.225 | cu-litr-128.138.153.225.colorado.edu | 0 | | |
| 128.138.153.226 | cu-litr-128.138.153.226.colorado.edu | 0 | | |
| 128.138.153.227 | cu-litr-128.138.153.227.colorado.edu | 0 | | |
| 128.138.153.228 | cu-litr-128.138.153.228.colorado.edu | 0 | | |
| 128.138.153.229 | cu-litr-128.138.153.229.colorado.edu | 0 | | |
| 128.138.153.230 | cu-litr-128.138.153.230.colorado.edu | 0 | | |
| 128.138.153.231 | cu-litr-128.138.153.231.colorado.edu | 0 | | |
| 128.138.153.232 | cu-litr-128.138.153.232.colorado.edu | 0 | | |
| 128.138.153.233 | cu-litr-128.138.153.233.colorado.edu | 0 | | |
| 128.138.153.234 | cu-litr-128.138.153.234.colorado.edu | 0 | | |
| 128.138.153.235 | cu-litr-128.138.153.235.colorado.edu | 0 | | |
| 128.138.153.236 | cu-litr-128.138.153.236.colorado.edu | 0 | | |
| 128.138.153.237 | cu-litr-128.138.153.237.colorado.edu | 0 | | |
| 128.138.153.238 | cu-litr-128.138.153.238.colorado.edu | 0 | | |
| 128.138.153.239 | cu-litr-128.138.153.239.colorado.edu | 0 | | |
| 128.138.153.240 | cu-litr-128.138.153.240.colorado.edu | 0 | | |
| 128.138.153.241 | cu-litr-128.138.153.241.colorado.edu | 0 | | |
| 128.138.153.242 | cu-litr-128.138.153.242.colorado.edu | 0 | | |
| 128.138.153.243 | cu-litr-128.138.153.243.colorado.edu | 0 | | |
| 128.138.153.244 | cu-litr-128.138.153.244.colorado.edu | 0 | | |
| 128.138.153.245 | cu-litr-128.138.153.245.colorado.edu | 0 | | |
| 128.138.153.246 | cu-litr-128.138.153.246.colorado.edu | 0 | | |
| 128.138.153.247 | cu-litr-128.138.153.247.colorado.edu | 0 | | |
| 128.138.153.248 | cu-litr-128.138.153.248.colorado.edu | 0 | | |
| 128.138.153.249 | cu-litr-128.138.153.249.colorado.edu | 0 | | |
| 128.138.153.250 | cu-litr-128.138.153.250.colorado.edu | 0 | | |
| 128.138.153.251 | cu-litr-128.138.153.251.colorado.edu | 0 | | |
| 128.138.153.252 | cu-litr-128.138.153.252.colorado.edu | 0 | | |
| 128.138.153.253 | cu-litr-128.138.153.253.colorado.edu | 0 | | |
| 128.138.153.254 | cu-litr-128.138.153.254.colorado.edu | 0 | | |
| 128.138.153.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m7 128.138.153.19
traceroute to 128.138.153.19 (128.138.153.19): 7 hops max, 52 byte packets
2 *
5 *
6 *
7 *
Measurement taken from 
IPinfo ProbeNet in Columbus, US
IPinfo ProbeNet in Columbus, USOn