Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 203 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.234.0 | — | 0 |  | |
| 128.138.234.1 | phys-gw-stad234.colorado.edu | 0 | | |
| 128.138.234.2 | — | 0 | | |
| 128.138.234.3 | — | 0 | | |
| 128.138.234.4 | stad234-4.colorado.edu | 0 | | |
| 128.138.234.5 | — | 0 | | |
| 128.138.234.6 | stad234-6.colorado.edu | 0 | | |
| 128.138.234.7 | stad234-7.colorado.edu | 0 | | |
| 128.138.234.8 | stad234-8.colorado.edu | 0 | | |
| 128.138.234.9 | sportsinfog2.colorado.edu | 0 | | |
| 128.138.234.10 | athkgttoshiba.colorado.edu | 0 | | |
| 128.138.234.11 | stad234-11.colorado.edu | 0 | | |
| 128.138.234.12 | stad234-12.colorado.edu | 0 | | |
| 128.138.234.13 | pac3.colorado.edu | 0 | | |
| 128.138.234.14 | pac1.colorado.edu | 0 | | |
| 128.138.234.15 | athl-vm-tripwire.colorado.edu | 0 | | |
| 128.138.234.16 | stad234-16.colorado.edu | 0 | | |
| 128.138.234.17 | athlbus281c.colorado.edu | 0 | | |
| 128.138.234.18 | printer215.colorado.edu | 0 | | |
| 128.138.234.19 | stad234-19.colorado.edu | 0 | | |
| 128.138.234.20 | stad234-20.colorado.edu | 0 | | |
| 128.138.234.21 | stad234-21.colorado.edu | 0 | | |
| 128.138.234.22 | athl-5gff4r1-l.colorado.edu | 0 | | |
| 128.138.234.23 | athl-8f51k81-l.colorado.edu | 0 | | |
| 128.138.234.24 | pac4.colorado.edu | 0 | | |
| 128.138.234.25 | cu-stad-west-234-25.colorado.edu | 0 | | |
| 128.138.234.26 | cu-stad-west-234-26.colorado.edu | 0 | | |
| 128.138.234.27 | — | 0 | | |
| 128.138.234.28 | stad234-28.colorado.edu | 0 | | |
| 128.138.234.29 | ucb-d-007.colorado.edu | 0 | | |
| 128.138.234.30 | stad-127-wiav.colorado.edu | 0 | | |
| 128.138.234.31 | stad-129-wiav.colorado.edu | 0 | | |
| 128.138.234.32 | stad-130b-wiav.colorado.edu | 0 | | |
| 128.138.234.33 | — | 0 | | |
| 128.138.234.34 | — | 0 | | |
| 128.138.234.35 | — | 0 | | |
| 128.138.234.36 | — | 0 | | |
| 128.138.234.37 | — | 0 | | |
| 128.138.234.38 | — | 0 | | |
| 128.138.234.39 | — | 0 | | |
| 128.138.234.40 | — | 0 | | |
| 128.138.234.41 | — | 0 | | |
| 128.138.234.42 | canonipf7010.colorado.edu | 0 | | |
| 128.138.234.43 | stad234-43.colorado.edu | 0 | | |
| 128.138.234.44 | stadw44.colorado.edu | 0 | | |
| 128.138.234.45 | cpi-stad-217-prs1.colorado.edu | 0 | | |
| 128.138.234.46 | stad234-46.colorado.edu | 0 | | |
| 128.138.234.47 | — | 0 | | |
| 128.138.234.48 | — | 0 | | |
| 128.138.234.49 | — | 0 | | |
| 128.138.234.50 | — | 0 | | |
| 128.138.234.51 | — | 0 | | |
| 128.138.234.52 | — | 0 | | |
| 128.138.234.53 | — | 0 | | |
| 128.138.234.54 | — | 0 | | |
| 128.138.234.55 | stad234-55.colorado.edu | 0 | | |
| 128.138.234.56 | — | 0 | | |
| 128.138.234.57 | — | 0 | | |
| 128.138.234.58 | athl-st-ems-01.colorado.edu | 0 | | |
| 128.138.234.59 | stad234-59.colorado.edu | 0 | | |
| 128.138.234.60 | cmci-stadium.colorado.edu | 0 | | |
| 128.138.234.61 | — | 0 | | |
| 128.138.234.62 | stad107-62.colorado.edu | 0 | | |
| 128.138.234.63 | wepa-stad-217.colorado.edu | 0 | | |
| 128.138.234.64 | — | 0 | | |
| 128.138.234.65 | — | 0 | | |
| 128.138.234.66 | — | 0 | | |
| 128.138.234.67 | — | 0 | | |
| 128.138.234.68 | cukonica05.colorado.edu | 0 | | |
| 128.138.234.69 | athl-st-hypv-01.colorado.edu | 0 | | |
| 128.138.234.70 | — | 0 | | |
| 128.138.234.71 | cuadopsems.colorado.edu | 0 | | |
| 128.138.234.72 | cuadlacrosse.colorado.edu | 0 | | |
| 128.138.234.73 | buffsportprop.colorado.edu | 0 | | |
| 128.138.234.74 | cuadsawellness.colorado.edu | 0 | | |
| 128.138.234.75 | athl-st-ups-01.colorado.edu | 0 | | |
| 128.138.234.76 | psa3p7210.colorado.edu | 0 | | |
| 128.138.234.77 | stad234-77.colorado.edu | 0 | | |
| 128.138.234.78 | stad234-78.colorado.edu | 0 | | |
| 128.138.234.79 | stad234-79.colorado.edu | 0 | | |
| 128.138.234.80 | cuadjeffstad.colorado.edu | 0 | | |
| 128.138.234.81 | cuadmsgsvr.colorado.edu | 0 | | |
| 128.138.234.82 | homers.colorado.edu | 0 | | |
| 128.138.234.83 | pac2.colorado.edu | 0 | | |
| 128.138.234.84 | stad234-84.colorado.edu | 0 | | |
| 128.138.234.85 | stad234-85.colorado.edu | 0 | | |
| 128.138.234.86 | — | 0 | | |
| 128.138.234.87 | — | 0 | | |
| 128.138.234.88 | — | 0 | | |
| 128.138.234.89 | — | 0 | | |
| 128.138.234.90 | — | 0 | | |
| 128.138.234.91 | — | 0 | | |
| 128.138.234.92 | — | 0 | | |
| 128.138.234.93 | — | 0 | | |
| 128.138.234.94 | — | 0 | | |
| 128.138.234.95 | — | 0 | | |
| 128.138.234.96 | paciolan-vpn-stad.colorado.edu | 0 | | |
| 128.138.234.97 | — | 0 | | |
| 128.138.234.98 | — | 0 | | |
| 128.138.234.99 | — | 0 | | |
| 128.138.234.100 | — | 0 | | |
| 128.138.234.101 | — | 0 | | |
| 128.138.234.102 | — | 0 | | |
| 128.138.234.103 | cuadems.colorado.edu | 0 | | |
| 128.138.234.104 | — | 0 | | |
| 128.138.234.105 | — | 0 | | |
| 128.138.234.106 | — | 0 | | |
| 128.138.234.107 | — | 0 | | |
| 128.138.234.108 | — | 0 | | |
| 128.138.234.109 | — | 0 | | |
| 128.138.234.110 | athl-st-hypv-02.colorado.edu | 0 | | |
| 128.138.234.111 | mfp-04737049.colorado.edu | 0 | | |
| 128.138.234.112 | cu-stad-west-128.138.234.112.colorado.edu | 0 | | |
| 128.138.234.113 | cu-stad-west-128.138.234.113.colorado.edu | 0 | | |
| 128.138.234.114 | cu-stad-west-128.138.234.114.colorado.edu | 0 | | |
| 128.138.234.115 | cu-stad-west-128.138.234.115.colorado.edu | 0 | | |
| 128.138.234.116 | cu-stad-west-128.138.234.116.colorado.edu | 0 | | |
| 128.138.234.117 | cu-stad-west-128.138.234.117.colorado.edu | 0 | | |
| 128.138.234.118 | cu-stad-west-128.138.234.118.colorado.edu | 0 | | |
| 128.138.234.119 | cu-stad-west-128.138.234.119.colorado.edu | 0 | | |
| 128.138.234.120 | cu-stad-west-128.138.234.120.colorado.edu | 0 | | |
| 128.138.234.121 | cu-stad-west-128.138.234.121.colorado.edu | 0 | | |
| 128.138.234.122 | cu-stad-west-128.138.234.122.colorado.edu | 0 | | |
| 128.138.234.123 | cu-stad-west-128.138.234.123.colorado.edu | 0 | | |
| 128.138.234.124 | cu-stad-west-128.138.234.124.colorado.edu | 0 | | |
| 128.138.234.125 | cu-stad-west-128.138.234.125.colorado.edu | 0 | | |
| 128.138.234.126 | cu-stad-west-128.138.234.126.colorado.edu | 0 | | |
| 128.138.234.127 | cu-stad-west-128.138.234.127.colorado.edu | 0 | | |
| 128.138.234.128 | cu-stad-west-128.138.234.128.colorado.edu | 0 | | |
| 128.138.234.129 | cu-stad-west-128.138.234.129.colorado.edu | 0 | | |
| 128.138.234.130 | cu-stad-west-128.138.234.130.colorado.edu | 0 | | |
| 128.138.234.131 | cu-stad-west-128.138.234.131.colorado.edu | 0 | | |
| 128.138.234.132 | cu-stad-west-128.138.234.132.colorado.edu | 0 | | |
| 128.138.234.133 | cu-stad-west-128.138.234.133.colorado.edu | 0 | | |
| 128.138.234.134 | cu-stad-west-128.138.234.134.colorado.edu | 0 | | |
| 128.138.234.135 | cu-stad-west-128.138.234.135.colorado.edu | 0 | | |
| 128.138.234.136 | cu-stad-west-128.138.234.136.colorado.edu | 0 | | |
| 128.138.234.137 | cu-stad-west-128.138.234.137.colorado.edu | 0 | | |
| 128.138.234.138 | cu-stad-west-128.138.234.138.colorado.edu | 0 | | |
| 128.138.234.139 | cu-stad-west-128.138.234.139.colorado.edu | 0 | | |
| 128.138.234.140 | cu-stad-west-128.138.234.140.colorado.edu | 0 | | |
| 128.138.234.141 | cu-stad-west-128.138.234.141.colorado.edu | 0 | | |
| 128.138.234.142 | cu-stad-west-128.138.234.142.colorado.edu | 0 | | |
| 128.138.234.143 | cu-stad-west-128.138.234.143.colorado.edu | 0 | | |
| 128.138.234.144 | cu-stad-west-128.138.234.144.colorado.edu | 0 | | |
| 128.138.234.145 | cu-stad-west-128.138.234.145.colorado.edu | 0 | | |
| 128.138.234.146 | cu-stad-west-128.138.234.146.colorado.edu | 0 | | |
| 128.138.234.147 | cu-stad-west-128.138.234.147.colorado.edu | 0 | | |
| 128.138.234.148 | cu-stad-west-128.138.234.148.colorado.edu | 0 | | |
| 128.138.234.149 | cu-stad-west-128.138.234.149.colorado.edu | 0 | | |
| 128.138.234.150 | cu-stad-west-128.138.234.150.colorado.edu | 0 | | |
| 128.138.234.151 | cu-stad-west-128.138.234.151.colorado.edu | 0 | | |
| 128.138.234.152 | cu-stad-west-128.138.234.152.colorado.edu | 0 | | |
| 128.138.234.153 | cu-stad-west-128.138.234.153.colorado.edu | 0 | | |
| 128.138.234.154 | cu-stad-west-128.138.234.154.colorado.edu | 0 | | |
| 128.138.234.155 | cu-stad-west-128.138.234.155.colorado.edu | 0 | | |
| 128.138.234.156 | cu-stad-west-128.138.234.156.colorado.edu | 0 | | |
| 128.138.234.157 | cu-stad-west-128.138.234.157.colorado.edu | 0 | | |
| 128.138.234.158 | cu-stad-west-128.138.234.158.colorado.edu | 0 | | |
| 128.138.234.159 | cu-stad-west-128.138.234.159.colorado.edu | 0 | | |
| 128.138.234.160 | cu-stad-west-128.138.234.160.colorado.edu | 0 | | |
| 128.138.234.161 | cu-stad-west-128.138.234.161.colorado.edu | 0 | | |
| 128.138.234.162 | cu-stad-west-128.138.234.162.colorado.edu | 0 | | |
| 128.138.234.163 | cu-stad-west-128.138.234.163.colorado.edu | 0 | | |
| 128.138.234.164 | cu-stad-west-128.138.234.164.colorado.edu | 0 | | |
| 128.138.234.165 | cu-stad-west-128.138.234.165.colorado.edu | 0 | | |
| 128.138.234.166 | cu-stad-west-128.138.234.166.colorado.edu | 0 | | |
| 128.138.234.167 | cu-stad-west-128.138.234.167.colorado.edu | 0 | | |
| 128.138.234.168 | cu-stad-west-128.138.234.168.colorado.edu | 0 | | |
| 128.138.234.169 | cu-stad-west-128.138.234.169.colorado.edu | 0 | | |
| 128.138.234.170 | cu-stad-west-128.138.234.170.colorado.edu | 0 | | |
| 128.138.234.171 | cu-stad-west-128.138.234.171.colorado.edu | 0 | | |
| 128.138.234.172 | cu-stad-west-128.138.234.172.colorado.edu | 0 | | |
| 128.138.234.173 | cu-stad-west-128.138.234.173.colorado.edu | 0 | | |
| 128.138.234.174 | cu-stad-west-128.138.234.174.colorado.edu | 0 | | |
| 128.138.234.175 | cu-stad-west-128.138.234.175.colorado.edu | 0 | | |
| 128.138.234.176 | cu-stad-west-128.138.234.176.colorado.edu | 0 | | |
| 128.138.234.177 | cu-stad-west-128.138.234.177.colorado.edu | 0 | | |
| 128.138.234.178 | cu-stad-west-128.138.234.178.colorado.edu | 0 | | |
| 128.138.234.179 | cu-stad-west-128.138.234.179.colorado.edu | 0 | | |
| 128.138.234.180 | cu-stad-west-128.138.234.180.colorado.edu | 0 | | |
| 128.138.234.181 | cu-stad-west-128.138.234.181.colorado.edu | 0 | | |
| 128.138.234.182 | cu-stad-west-128.138.234.182.colorado.edu | 0 | | |
| 128.138.234.183 | cu-stad-west-128.138.234.183.colorado.edu | 0 | | |
| 128.138.234.184 | cu-stad-west-128.138.234.184.colorado.edu | 0 | | |
| 128.138.234.185 | cu-stad-west-128.138.234.185.colorado.edu | 0 | | |
| 128.138.234.186 | cu-stad-west-128.138.234.186.colorado.edu | 0 | | |
| 128.138.234.187 | cu-stad-west-128.138.234.187.colorado.edu | 0 | | |
| 128.138.234.188 | cu-stad-west-128.138.234.188.colorado.edu | 0 | | |
| 128.138.234.189 | cu-stad-west-128.138.234.189.colorado.edu | 0 | | |
| 128.138.234.190 | cu-stad-west-128.138.234.190.colorado.edu | 0 | | |
| 128.138.234.191 | cu-stad-west-128.138.234.191.colorado.edu | 0 | | |
| 128.138.234.192 | cu-stad-west-128.138.234.192.colorado.edu | 0 | | |
| 128.138.234.193 | cu-stad-west-128.138.234.193.colorado.edu | 0 | | |
| 128.138.234.194 | cu-stad-west-128.138.234.194.colorado.edu | 0 | | |
| 128.138.234.195 | cu-stad-west-128.138.234.195.colorado.edu | 0 | | |
| 128.138.234.196 | cu-stad-west-128.138.234.196.colorado.edu | 0 | | |
| 128.138.234.197 | cu-stad-west-128.138.234.197.colorado.edu | 0 | | |
| 128.138.234.198 | cu-stad-west-128.138.234.198.colorado.edu | 0 | | |
| 128.138.234.199 | cu-stad-west-128.138.234.199.colorado.edu | 0 | | |
| 128.138.234.200 | cu-stad-west-128.138.234.200.colorado.edu | 0 | | |
| 128.138.234.201 | cu-stad-west-128.138.234.201.colorado.edu | 0 | | |
| 128.138.234.202 | cu-stad-west-128.138.234.202.colorado.edu | 0 | | |
| 128.138.234.203 | cu-stad-west-128.138.234.203.colorado.edu | 0 | | |
| 128.138.234.204 | cu-stad-west-128.138.234.204.colorado.edu | 0 | | |
| 128.138.234.205 | cu-stad-west-128.138.234.205.colorado.edu | 0 | | |
| 128.138.234.206 | cu-stad-west-128.138.234.206.colorado.edu | 0 | | |
| 128.138.234.207 | cu-stad-west-128.138.234.207.colorado.edu | 0 | | |
| 128.138.234.208 | cu-stad-west-128.138.234.208.colorado.edu | 0 | | |
| 128.138.234.209 | cu-stad-west-128.138.234.209.colorado.edu | 0 | | |
| 128.138.234.210 | cu-stad-west-128.138.234.210.colorado.edu | 0 | | |
| 128.138.234.211 | cu-stad-west-128.138.234.211.colorado.edu | 0 | | |
| 128.138.234.212 | cu-stad-west-128.138.234.212.colorado.edu | 0 | | |
| 128.138.234.213 | cu-stad-west-128.138.234.213.colorado.edu | 0 | | |
| 128.138.234.214 | cu-stad-west-128.138.234.214.colorado.edu | 0 | | |
| 128.138.234.215 | cu-stad-west-128.138.234.215.colorado.edu | 0 | | |
| 128.138.234.216 | cu-stad-west-128.138.234.216.colorado.edu | 0 | | |
| 128.138.234.217 | cu-stad-west-128.138.234.217.colorado.edu | 0 | | |
| 128.138.234.218 | cu-stad-west-128.138.234.218.colorado.edu | 0 | | |
| 128.138.234.219 | cu-stad-west-128.138.234.219.colorado.edu | 0 | | |
| 128.138.234.220 | cu-stad-west-128.138.234.220.colorado.edu | 0 | | |
| 128.138.234.221 | cu-stad-west-128.138.234.221.colorado.edu | 0 | | |
| 128.138.234.222 | cu-stad-west-128.138.234.222.colorado.edu | 0 | | |
| 128.138.234.223 | cu-stad-west-128.138.234.223.colorado.edu | 0 | | |
| 128.138.234.224 | cu-stad-west-128.138.234.224.colorado.edu | 0 | | |
| 128.138.234.225 | cu-stad-west-128.138.234.225.colorado.edu | 0 | | |
| 128.138.234.226 | cu-stad-west-128.138.234.226.colorado.edu | 0 | | |
| 128.138.234.227 | cu-stad-west-128.138.234.227.colorado.edu | 0 | | |
| 128.138.234.228 | cu-stad-west-128.138.234.228.colorado.edu | 0 | | |
| 128.138.234.229 | cu-stad-west-128.138.234.229.colorado.edu | 0 | | |
| 128.138.234.230 | cu-stad-west-128.138.234.230.colorado.edu | 0 | | |
| 128.138.234.231 | cu-stad-west-128.138.234.231.colorado.edu | 0 | | |
| 128.138.234.232 | cu-stad-west-128.138.234.232.colorado.edu | 0 | | |
| 128.138.234.233 | cu-stad-west-128.138.234.233.colorado.edu | 0 | | |
| 128.138.234.234 | cu-stad-west-128.138.234.234.colorado.edu | 0 | | |
| 128.138.234.235 | cu-stad-west-128.138.234.235.colorado.edu | 0 | | |
| 128.138.234.236 | cu-stad-west-128.138.234.236.colorado.edu | 0 | | |
| 128.138.234.237 | cu-stad-west-128.138.234.237.colorado.edu | 0 | | |
| 128.138.234.238 | cu-stad-west-128.138.234.238.colorado.edu | 0 | | |
| 128.138.234.239 | cu-stad-west-128.138.234.239.colorado.edu | 0 | | |
| 128.138.234.240 | cu-stad-west-128.138.234.240.colorado.edu | 0 | | |
| 128.138.234.241 | cu-stad-west-128.138.234.241.colorado.edu | 0 | | |
| 128.138.234.242 | cu-stad-west-128.138.234.242.colorado.edu | 0 | | |
| 128.138.234.243 | cu-stad-west-128.138.234.243.colorado.edu | 0 | | |
| 128.138.234.244 | cu-stad-west-128.138.234.244.colorado.edu | 0 | | |
| 128.138.234.245 | cu-stad-west-128.138.234.245.colorado.edu | 0 | | |
| 128.138.234.246 | cu-stad-west-128.138.234.246.colorado.edu | 0 | | |
| 128.138.234.247 | cu-stad-west-128.138.234.247.colorado.edu | 0 | | |
| 128.138.234.248 | cu-stad-west-128.138.234.248.colorado.edu | 0 | | |
| 128.138.234.249 | cu-stad-west-128.138.234.249.colorado.edu | 0 | | |
| 128.138.234.250 | cu-stad-west-128.138.234.250.colorado.edu | 0 | | |
| 128.138.234.251 | cu-stad-west-128.138.234.251.colorado.edu | 0 | | |
| 128.138.234.252 | cu-stad-west-128.138.234.252.colorado.edu | 0 | | |
| 128.138.234.253 | cu-stad-west-128.138.234.253.colorado.edu | 0 | | |
| 128.138.234.254 | cu-stad-west-128.138.234.254.colorado.edu | 0 | | |
| 128.138.234.255 | — | 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 128.138.234.41
traceroute to 128.138.234.41 (128.138.234.41): 8 hops max, 52 byte packets
6 *
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in Los Angeles, US
IPinfo ProbeNet in Los Angeles, USOn