Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 217 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.175.0 | — | 0 |  | |
| 128.138.175.1 | rgnt-gw-rgnt175.colorado.edu | 0 | | |
| 128.138.175.2 | — | 0 | | |
| 128.138.175.3 | — | 0 | | |
| 128.138.175.4 | — | 0 | | |
| 128.138.175.5 | rgnt-gw-bee.colorado.edu | 0 | | |
| 128.138.175.6 | rgnt175-6.colorado.edu | 0 | | |
| 128.138.175.7 | rgnt175-7.colorado.edu | 0 | | |
| 128.138.175.8 | orntn-bulk2.colorado.edu | 0 | | |
| 128.138.175.9 | jdr.colorado.edu | 0 | | |
| 128.138.175.10 | rgnt175-10.colorado.edu | 0 | | |
| 128.138.175.11 | rgnt175-11.colorado.edu | 0 | | |
| 128.138.175.12 | ue-p-001.colorado.edu | 0 | | |
| 128.138.175.13 | rgnt175-13.colorado.edu | 0 | | |
| 128.138.175.14 | ra-old.ad.colorado.edu | 0 | | |
| 128.138.175.15 | eac-dev.colorado.edu | 0 | | |
| 128.138.175.16 | vcaa-p-001.colorado.edu | 0 | | |
| 128.138.175.17 | rgnt-1b17-hplj3600.colorado.edu | 0 | | |
| 128.138.175.18 | nsfp-p-002.colorado.edu | 0 | | |
| 128.138.175.19 | vcsa-p-005.colorado.edu | 0 | | |
| 128.138.175.20 | rgnt175-20.colorado.edu | 0 | | |
| 128.138.175.21 | odece-p-002.colorado.edu | 0 | | |
| 128.138.175.22 | rgnt175-22.colorado.edu | 0 | | |
| 128.138.175.23 | anubis-old.colorado.edu | 0 | | |
| 128.138.175.24 | rgnt175-24.colorado.edu | 0 | | |
| 128.138.175.25 | pba-ia-120.colorado.edu | 0 | | |
| 128.138.175.26 | competitions-dev.colorado.edu | 0 | | |
| 128.138.175.27 | pba-p-004.colorado.edu | 0 | | |
| 128.138.175.28 | odece-p-004.colorado.edu | 0 | | |
| 128.138.175.29 | odece-p-006.colorado.edu | 0 | | |
| 128.138.175.30 | vcrsch-p-003.colorado.edu | 0 | | |
| 128.138.175.31 | rgnt175-31.colorado.edu | 0 | | |
| 128.138.175.32 | rgnt175-32.colorado.edu | 0 | | |
| 128.138.175.33 | rgnt175-33.colorado.edu | 0 | | |
| 128.138.175.34 | rgnt175-34.colorado.edu | 0 | | |
| 128.138.175.35 | human-research-dev.colorado.edu | 0 | | |
| 128.138.175.36 | springboard.colorado.edu | 0 | | |
| 128.138.175.37 | atlantis.colorado.edu | 0 | | |
| 128.138.175.38 | rgnt175-38.colorado.edu | 0 | | |
| 128.138.175.39 | north.colorado.edu | 0 | | |
| 128.138.175.40 | rgnt175-40.colorado.edu | 0 | | |
| 128.138.175.41 | rgnt175-41.colorado.edu | 0 | | |
| 128.138.175.42 | rgnt175-42.colorado.edu | 0 | | |
| 128.138.175.43 | rgnt175-43.colorado.edu | 0 | | |
| 128.138.175.44 | gradfeatures-dev.colorado.edu | 0 | | |
| 128.138.175.45 | vcadmin-p-001.colorado.edu | 0 | | |
| 128.138.175.46 | sgc.colorado.edu | 0 | | |
| 128.138.175.47 | innodev.colorado.edu | 0 | | |
| 128.138.175.48 | colodev.colorado.edu | 0 | | |
| 128.138.175.49 | rgnt175-49.colorado.edu | 0 | | |
| 128.138.175.50 | rgnt175-50.colorado.edu | 0 | | |
| 128.138.175.51 | drupal-dev.colorado.edu | 0 | | |
| 128.138.175.52 | kmec6fb6.colorado.edu | 0 | | |
| 128.138.175.53 | innomac.colorado.edu | 0 | | |
| 128.138.175.54 | rgnt175-54.colorado.edu | 0 | | |
| 128.138.175.55 | odece-p-005.colorado.edu | 0 | | |
| 128.138.175.56 | vcsa-p-006.colorado.edu | 0 | | |
| 128.138.175.57 | — | 0 | | |
| 128.138.175.58 | pba-p-003.colorado.edu | 0 | | |
| 128.138.175.59 | rgnt175-59.colorado.edu | 0 | | |
| 128.138.175.60 | vcsa-p-001.colorado.edu | 0 | | |
| 128.138.175.61 | — | 0 | | |
| 128.138.175.62 | providence.colorado.edu | 0 | | |
| 128.138.175.63 | rgnt175-63.colorado.edu | 0 | | |
| 128.138.175.64 | facaff-p-002.colorado.edu | 0 | | |
| 128.138.175.65 | facaff-p-003.colorado.edu | 0 | | |
| 128.138.175.66 | vcaa-p-004.colorado.edu | 0 | | |
| 128.138.175.67 | rgnt-konica-bh-175-67.colorado.edu | 0 | | |
| 128.138.175.68 | — | 0 | | |
| 128.138.175.69 | rgnt175-69.colorado.edu | 0 | | |
| 128.138.175.70 | rgnt175-70.colorado.edu | 0 | | |
| 128.138.175.71 | rgnt175-71.colorado.edu | 0 | | |
| 128.138.175.72 | — | 0 | | |
| 128.138.175.73 | — | 0 | | |
| 128.138.175.74 | — | 0 | | |
| 128.138.175.75 | — | 0 | | |
| 128.138.175.76 | vcrsch-p-008.colorado.edu | 0 | | |
| 128.138.175.77 | — | 0 | | |
| 128.138.175.78 | — | 0 | | |
| 128.138.175.79 | — | 0 | | |
| 128.138.175.80 | — | 0 | | |
| 128.138.175.81 | — | 0 | | |
| 128.138.175.82 | — | 0 | | |
| 128.138.175.83 | — | 0 | | |
| 128.138.175.84 | — | 0 | | |
| 128.138.175.85 | — | 0 | | |
| 128.138.175.86 | — | 0 | | |
| 128.138.175.87 | — | 0 | | |
| 128.138.175.88 | — | 0 | | |
| 128.138.175.89 | — | 0 | | |
| 128.138.175.90 | — | 0 | | |
| 128.138.175.91 | — | 0 | | |
| 128.138.175.92 | — | 0 | | |
| 128.138.175.93 | — | 0 | | |
| 128.138.175.94 | — | 0 | | |
| 128.138.175.95 | — | 0 | | |
| 128.138.175.96 | — | 0 | | |
| 128.138.175.97 | — | 0 | | |
| 128.138.175.98 | — | 0 | | |
| 128.138.175.99 | vcrsch-p-005.colorado.edu | 0 | | |
| 128.138.175.100 | — | 0 | | |
| 128.138.175.101 | — | 0 | | |
| 128.138.175.102 | rgnt175-102.colorado.edu | 0 | | |
| 128.138.175.103 | — | 0 | | |
| 128.138.175.104 | — | 0 | | |
| 128.138.175.105 | — | 0 | | |
| 128.138.175.106 | odece-p-003.colorado.edu | 0 | | |
| 128.138.175.107 | cu-rgnt-128.138.175.107.colorado.edu | 0 | | |
| 128.138.175.108 | cu-rgnt-128.138.175.108.colorado.edu | 0 | | |
| 128.138.175.109 | cu-rgnt-128.138.175.109.colorado.edu | 0 | | |
| 128.138.175.110 | cu-rgnt-128.138.175.110.colorado.edu | 0 | | |
| 128.138.175.111 | cu-rgnt-128.138.175.111.colorado.edu | 0 | | |
| 128.138.175.112 | cu-rgnt-128.138.175.112.colorado.edu | 0 | | |
| 128.138.175.113 | cu-rgnt-128.138.175.113.colorado.edu | 0 | | |
| 128.138.175.114 | cu-rgnt-128.138.175.114.colorado.edu | 0 | | |
| 128.138.175.115 | cu-rgnt-128.138.175.115.colorado.edu | 0 | | |
| 128.138.175.116 | cu-rgnt-128.138.175.116.colorado.edu | 0 | | |
| 128.138.175.117 | cu-rgnt-128.138.175.117.colorado.edu | 0 | | |
| 128.138.175.118 | cu-rgnt-128.138.175.118.colorado.edu | 0 | | |
| 128.138.175.119 | cu-rgnt-128.138.175.119.colorado.edu | 0 | | |
| 128.138.175.120 | cu-rgnt-128.138.175.120.colorado.edu | 0 | | |
| 128.138.175.121 | cu-rgnt-128.138.175.121.colorado.edu | 0 | | |
| 128.138.175.122 | cu-rgnt-128.138.175.122.colorado.edu | 0 | | |
| 128.138.175.123 | cu-rgnt-128.138.175.123.colorado.edu | 0 | | |
| 128.138.175.124 | cu-rgnt-128.138.175.124.colorado.edu | 0 | | |
| 128.138.175.125 | cu-rgnt-128.138.175.125.colorado.edu | 0 | | |
| 128.138.175.126 | cu-rgnt-128.138.175.126.colorado.edu | 0 | | |
| 128.138.175.127 | cu-rgnt-128.138.175.127.colorado.edu | 0 | | |
| 128.138.175.128 | cu-rgnt-128.138.175.128.colorado.edu | 0 | | |
| 128.138.175.129 | cu-rgnt-128.138.175.129.colorado.edu | 0 | | |
| 128.138.175.130 | cu-rgnt-128.138.175.130.colorado.edu | 0 | | |
| 128.138.175.131 | cu-rgnt-128.138.175.131.colorado.edu | 0 | | |
| 128.138.175.132 | cu-rgnt-128.138.175.132.colorado.edu | 0 | | |
| 128.138.175.133 | cu-rgnt-128.138.175.133.colorado.edu | 0 | | |
| 128.138.175.134 | cu-rgnt-128.138.175.134.colorado.edu | 0 | | |
| 128.138.175.135 | cu-rgnt-128.138.175.135.colorado.edu | 0 | | |
| 128.138.175.136 | cu-rgnt-128.138.175.136.colorado.edu | 0 | | |
| 128.138.175.137 | cu-rgnt-128.138.175.137.colorado.edu | 0 | | |
| 128.138.175.138 | cu-rgnt-128.138.175.138.colorado.edu | 0 | | |
| 128.138.175.139 | cu-rgnt-128.138.175.139.colorado.edu | 0 | | |
| 128.138.175.140 | cu-rgnt-128.138.175.140.colorado.edu | 0 | | |
| 128.138.175.141 | cu-rgnt-128.138.175.141.colorado.edu | 0 | | |
| 128.138.175.142 | cu-rgnt-128.138.175.142.colorado.edu | 0 | | |
| 128.138.175.143 | cu-rgnt-128.138.175.143.colorado.edu | 0 | | |
| 128.138.175.144 | cu-rgnt-128.138.175.144.colorado.edu | 0 | | |
| 128.138.175.145 | cu-rgnt-128.138.175.145.colorado.edu | 0 | | |
| 128.138.175.146 | gradsch-p-001.colorado.edu | 0 | | |
| 128.138.175.147 | cu-rgnt-128.138.175.147.colorado.edu | 0 | | |
| 128.138.175.148 | cu-rgnt-128.138.175.148.colorado.edu | 0 | | |
| 128.138.175.149 | cu-rgnt-128.138.175.149.colorado.edu | 0 | | |
| 128.138.175.150 | cu-rgnt-128.138.175.150.colorado.edu | 0 | | |
| 128.138.175.151 | cu-rgnt-128.138.175.151.colorado.edu | 0 | | |
| 128.138.175.152 | cu-rgnt-128.138.175.152.colorado.edu | 0 | | |
| 128.138.175.153 | cu-rgnt-128.138.175.153.colorado.edu | 0 | | |
| 128.138.175.154 | cu-rgnt-128.138.175.154.colorado.edu | 0 | | |
| 128.138.175.155 | cu-rgnt-128.138.175.155.colorado.edu | 0 | | |
| 128.138.175.156 | cu-rgnt-128.138.175.156.colorado.edu | 0 | | |
| 128.138.175.157 | cu-rgnt-128.138.175.157.colorado.edu | 0 | | |
| 128.138.175.158 | cu-rgnt-128.138.175.158.colorado.edu | 0 | | |
| 128.138.175.159 | cu-rgnt-128.138.175.159.colorado.edu | 0 | | |
| 128.138.175.160 | cu-rgnt-128.138.175.160.colorado.edu | 0 | | |
| 128.138.175.161 | cu-rgnt-128.138.175.161.colorado.edu | 0 | | |
| 128.138.175.162 | cu-rgnt-128.138.175.162.colorado.edu | 0 | | |
| 128.138.175.163 | cu-rgnt-128.138.175.163.colorado.edu | 0 | | |
| 128.138.175.164 | cu-rgnt-128.138.175.164.colorado.edu | 0 | | |
| 128.138.175.165 | cu-rgnt-128.138.175.165.colorado.edu | 0 | | |
| 128.138.175.166 | cu-rgnt-128.138.175.166.colorado.edu | 0 | | |
| 128.138.175.167 | cu-rgnt-128.138.175.167.colorado.edu | 0 | | |
| 128.138.175.168 | cu-rgnt-128.138.175.168.colorado.edu | 0 | | |
| 128.138.175.169 | cu-rgnt-128.138.175.169.colorado.edu | 0 | | |
| 128.138.175.170 | cu-rgnt-128.138.175.170.colorado.edu | 0 | | |
| 128.138.175.171 | cu-rgnt-128.138.175.171.colorado.edu | 0 | | |
| 128.138.175.172 | cu-rgnt-128.138.175.172.colorado.edu | 0 | | |
| 128.138.175.173 | cu-rgnt-128.138.175.173.colorado.edu | 0 | | |
| 128.138.175.174 | cu-rgnt-128.138.175.174.colorado.edu | 0 | | |
| 128.138.175.175 | cu-rgnt-128.138.175.175.colorado.edu | 0 | | |
| 128.138.175.176 | cu-rgnt-128.138.175.176.colorado.edu | 0 | | |
| 128.138.175.177 | cu-rgnt-128.138.175.177.colorado.edu | 0 | | |
| 128.138.175.178 | cu-rgnt-128.138.175.178.colorado.edu | 0 | | |
| 128.138.175.179 | cu-rgnt-128.138.175.179.colorado.edu | 0 | | |
| 128.138.175.180 | cu-rgnt-128.138.175.180.colorado.edu | 0 | | |
| 128.138.175.181 | cu-rgnt-128.138.175.181.colorado.edu | 0 | | |
| 128.138.175.182 | cu-rgnt-128.138.175.182.colorado.edu | 0 | | |
| 128.138.175.183 | cu-rgnt-128.138.175.183.colorado.edu | 0 | | |
| 128.138.175.184 | cu-rgnt-128.138.175.184.colorado.edu | 0 | | |
| 128.138.175.185 | cu-rgnt-128.138.175.185.colorado.edu | 0 | | |
| 128.138.175.186 | cu-rgnt-128.138.175.186.colorado.edu | 0 | | |
| 128.138.175.187 | nswp-p-001.colorado.edu | 0 | | |
| 128.138.175.188 | cu-rgnt-128.138.175.188.colorado.edu | 0 | | |
| 128.138.175.189 | cu-rgnt-128.138.175.189.colorado.edu | 0 | | |
| 128.138.175.190 | cu-rgnt-128.138.175.190.colorado.edu | 0 | | |
| 128.138.175.191 | cu-rgnt-128.138.175.191.colorado.edu | 0 | | |
| 128.138.175.192 | cu-rgnt-128.138.175.192.colorado.edu | 0 | | |
| 128.138.175.193 | cu-rgnt-128.138.175.193.colorado.edu | 0 | | |
| 128.138.175.194 | cu-rgnt-128.138.175.194.colorado.edu | 0 | | |
| 128.138.175.195 | cu-rgnt-128.138.175.195.colorado.edu | 0 | | |
| 128.138.175.196 | cu-rgnt-128.138.175.196.colorado.edu | 0 | | |
| 128.138.175.197 | cu-rgnt-128.138.175.197.colorado.edu | 0 | | |
| 128.138.175.198 | cu-rgnt-128.138.175.198.colorado.edu | 0 | | |
| 128.138.175.199 | cu-rgnt-128.138.175.199.colorado.edu | 0 | | |
| 128.138.175.200 | cu-rgnt-128.138.175.200.colorado.edu | 0 | | |
| 128.138.175.201 | cu-rgnt-128.138.175.201.colorado.edu | 0 | | |
| 128.138.175.202 | cu-rgnt-128.138.175.202.colorado.edu | 0 | | |
| 128.138.175.203 | cu-rgnt-128.138.175.203.colorado.edu | 0 | | |
| 128.138.175.204 | cu-rgnt-128.138.175.204.colorado.edu | 0 | | |
| 128.138.175.205 | cu-rgnt-128.138.175.205.colorado.edu | 0 | | |
| 128.138.175.206 | cu-rgnt-128.138.175.206.colorado.edu | 0 | | |
| 128.138.175.207 | cu-rgnt-128.138.175.207.colorado.edu | 0 | | |
| 128.138.175.208 | cu-rgnt-128.138.175.208.colorado.edu | 0 | | |
| 128.138.175.209 | cu-rgnt-128.138.175.209.colorado.edu | 0 | | |
| 128.138.175.210 | cu-rgnt-128.138.175.210.colorado.edu | 0 | | |
| 128.138.175.211 | cu-rgnt-128.138.175.211.colorado.edu | 0 | | |
| 128.138.175.212 | cu-rgnt-128.138.175.212.colorado.edu | 0 | | |
| 128.138.175.213 | cu-rgnt-128.138.175.213.colorado.edu | 0 | | |
| 128.138.175.214 | cu-rgnt-128.138.175.214.colorado.edu | 0 | | |
| 128.138.175.215 | cu-rgnt-128.138.175.215.colorado.edu | 0 | | |
| 128.138.175.216 | cu-rgnt-128.138.175.216.colorado.edu | 0 | | |
| 128.138.175.217 | cu-rgnt-128.138.175.217.colorado.edu | 0 | | |
| 128.138.175.218 | cu-rgnt-128.138.175.218.colorado.edu | 0 | | |
| 128.138.175.219 | odece-p-001.colorado.edu | 0 | | |
| 128.138.175.220 | cu-rgnt-128.138.175.220.colorado.edu | 0 | | |
| 128.138.175.221 | cu-rgnt-128.138.175.221.colorado.edu | 0 | | |
| 128.138.175.222 | cu-rgnt-128.138.175.222.colorado.edu | 0 | | |
| 128.138.175.223 | cu-rgnt-128.138.175.223.colorado.edu | 0 | | |
| 128.138.175.224 | cu-rgnt-128.138.175.224.colorado.edu | 0 | | |
| 128.138.175.225 | cu-rgnt-128.138.175.225.colorado.edu | 0 | | |
| 128.138.175.226 | facaff-p-001.colorado.edu | 0 | | |
| 128.138.175.227 | cu-rgnt-128.138.175.227.colorado.edu | 0 | | |
| 128.138.175.228 | cu-rgnt-128.138.175.228.colorado.edu | 0 | | |
| 128.138.175.229 | cu-rgnt-128.138.175.229.colorado.edu | 0 | | |
| 128.138.175.230 | cu-rgnt-128.138.175.230.colorado.edu | 0 | | |
| 128.138.175.231 | cu-rgnt-128.138.175.231.colorado.edu | 0 | | |
| 128.138.175.232 | cu-rgnt-128.138.175.232.colorado.edu | 0 | | |
| 128.138.175.233 | cu-rgnt-128.138.175.233.colorado.edu | 0 | | |
| 128.138.175.234 | cu-rgnt-128.138.175.234.colorado.edu | 0 | | |
| 128.138.175.235 | cu-rgnt-128.138.175.235.colorado.edu | 0 | | |
| 128.138.175.236 | cu-rgnt-128.138.175.236.colorado.edu | 0 | | |
| 128.138.175.237 | cu-rgnt-128.138.175.237.colorado.edu | 0 | | |
| 128.138.175.238 | cu-rgnt-128.138.175.238.colorado.edu | 0 | | |
| 128.138.175.239 | cu-rgnt-128.138.175.239.colorado.edu | 0 | | |
| 128.138.175.240 | cu-rgnt-128.138.175.240.colorado.edu | 0 | | |
| 128.138.175.241 | cu-rgnt-128.138.175.241.colorado.edu | 0 | | |
| 128.138.175.242 | cu-rgnt-128.138.175.242.colorado.edu | 0 | | |
| 128.138.175.243 | cu-rgnt-128.138.175.243.colorado.edu | 0 | | |
| 128.138.175.244 | cu-rgnt-128.138.175.244.colorado.edu | 0 | | |
| 128.138.175.245 | cu-rgnt-128.138.175.245.colorado.edu | 0 | | |
| 128.138.175.246 | cu-rgnt-128.138.175.246.colorado.edu | 0 | | |
| 128.138.175.247 | cu-rgnt-128.138.175.247.colorado.edu | 0 | | |
| 128.138.175.248 | cu-rgnt-128.138.175.248.colorado.edu | 0 | | |
| 128.138.175.249 | cu-rgnt-128.138.175.249.colorado.edu | 0 | | |
| 128.138.175.250 | cu-rgnt-128.138.175.250.colorado.edu | 0 | | |
| 128.138.175.251 | cu-rgnt-128.138.175.251.colorado.edu | 0 | | |
| 128.138.175.252 | cu-rgnt-128.138.175.252.colorado.edu | 0 | | |
| 128.138.175.253 | cu-rgnt-128.138.175.253.colorado.edu | 0 | | |
| 128.138.175.254 | cu-rgnt-128.138.175.254.colorado.edu | 0 | | |
| 128.138.175.255 | — | 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 -m8 128.138.175.239
traceroute to 128.138.175.239 (128.138.175.239): 8 hops max, 52 byte packets
6 *
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in Edinburgh, GB
IPinfo ProbeNet in Edinburgh, GBOn