Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 161 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.126.0 | — | 0 |  | |
| 128.138.126.1 | muen-gw-port.colorado.edu | 0 | | |
| 128.138.126.2 | — | 0 | | |
| 128.138.126.3 | — | 0 | | |
| 128.138.126.4 | — | 0 | | |
| 128.138.126.5 | husky.colorado.edu | 0 | | |
| 128.138.126.6 | mcdb-pace-mfc8510.colorado.edu | 0 | | |
| 128.138.126.7 | clypeasteroida.colorado.edu | 0 | | |
| 128.138.126.8 | ataqolddog.colorado.edu | 0 | | |
| 128.138.126.9 | mcdb-stowell-m401a.colorado.edu | 0 | | |
| 128.138.126.10 | greyhound.colorado.edu | 0 | | |
| 128.138.126.11 | bsi-p-002.colorado.edu | 0 | | |
| 128.138.126.12 | genome-lw.colorado.edu | 0 | | |
| 128.138.126.13 | knucker.colorado.edu | 0 | | |
| 128.138.126.14 | pimon.colorado.edu | 0 | | |
| 128.138.126.15 | ataqcat.colorado.edu | 0 | | |
| 128.138.126.16 | mcdb-b140.colorado.edu | 0 | | |
| 128.138.126.17 | mcdb-b234.colorado.edu | 0 | | |
| 128.138.126.18 | bsi-hp1150.colorado.edu | 0 | | |
| 128.138.126.19 | bsi-p-003.colorado.edu | 0 | | |
| 128.138.126.20 | stemtech-provi1.colorado.edu | 0 | | |
| 128.138.126.21 | port126-21.colorado.edu | 0 | | |
| 128.138.126.22 | xuelab-fmp.colorado.edu | 0 | | |
| 128.138.126.23 | mcdb-b334.colorado.edu | 0 | | |
| 128.138.126.24 | mcdb-b434.colorado.edu | 0 | | |
| 128.138.126.25 | — | 0 | | |
| 128.138.126.26 | voeltzem.colorado.edu | 0 | | |
| 128.138.126.27 | bsi-p-001.colorado.edu | 0 | | |
| 128.138.126.28 | operant-choice-1.colorado.edu | 0 | | |
| 128.138.126.29 | mcdb-odorizzi-hl5370.colorado.edu | 0 | | |
| 128.138.126.30 | odotomo.colorado.edu | 0 | | |
| 128.138.126.31 | cairn.colorado.edu | 0 | | |
| 128.138.126.32 | membrane.colorado.edu | 0 | | |
| 128.138.126.33 | mcdbeln.colorado.edu | 0 | | |
| 128.138.126.34 | donaldsonlab5.colorado.edu | 0 | | |
| 128.138.126.35 | copley-pcr.colorado.edu | 0 | | |
| 128.138.126.36 | donaldsonlab6.colorado.edu | 0 | | |
| 128.138.126.37 | — | 0 | | |
| 128.138.126.38 | copley-react.colorado.edu | 0 | | |
| 128.138.126.39 | — | 0 | | |
| 128.138.126.40 | mcdb-hoenger-lj5550.colorado.edu | 0 | | |
| 128.138.126.41 | — | 0 | | |
| 128.138.126.42 | — | 0 | | |
| 128.138.126.43 | — | 0 | | |
| 128.138.126.44 | — | 0 | | |
| 128.138.126.45 | — | 0 | | |
| 128.138.126.46 | — | 0 | | |
| 128.138.126.47 | — | 0 | | |
| 128.138.126.48 | mcdb-knight-5470.colorado.edu | 0 | | |
| 128.138.126.49 | — | 0 | | |
| 128.138.126.50 | — | 0 | | |
| 128.138.126.51 | — | 0 | | |
| 128.138.126.52 | — | 0 | | |
| 128.138.126.53 | — | 0 | | |
| 128.138.126.54 | — | 0 | | |
| 128.138.126.55 | — | 0 | | |
| 128.138.126.56 | — | 0 | | |
| 128.138.126.57 | — | 0 | | |
| 128.138.126.58 | — | 0 | | |
| 128.138.126.59 | — | 0 | | |
| 128.138.126.60 | — | 0 | | |
| 128.138.126.61 | — | 0 | | |
| 128.138.126.62 | — | 0 | | |
| 128.138.126.63 | — | 0 | | |
| 128.138.126.64 | — | 0 | | |
| 128.138.126.65 | — | 0 | | |
| 128.138.126.66 | mcdb-olwin-p2055.colorado.edu | 0 | | |
| 128.138.126.67 | mcdbblumprn1.colorado.edu | 0 | | |
| 128.138.126.68 | shenlabshared.colorado.edu | 0 | | |
| 128.138.126.69 | — | 0 | | |
| 128.138.126.70 | — | 0 | | |
| 128.138.126.71 | — | 0 | | |
| 128.138.126.72 | donaldsonlab3xipconflict.colorado.edu | 0 | | |
| 128.138.126.73 | donaldsonlab1.colorado.edu | 0 | | |
| 128.138.126.74 | donaldsonlab2.colorado.edu | 0 | | |
| 128.138.126.75 | — | 0 | | |
| 128.138.126.76 | — | 0 | | |
| 128.138.126.77 | — | 0 | | |
| 128.138.126.78 | — | 0 | | |
| 128.138.126.79 | — | 0 | | |
| 128.138.126.80 | macataq.colorado.edu | 0 | | |
| 128.138.126.81 | donaldsonlab3.colorado.edu | 0 | | |
| 128.138.126.82 | donaldsonlab4.colorado.edu | 0 | | |
| 128.138.126.83 | — | 0 | | |
| 128.138.126.84 | — | 0 | | |
| 128.138.126.85 | — | 0 | | |
| 128.138.126.86 | — | 0 | | |
| 128.138.126.87 | mcdb-b031.colorado.edu | 0 | | |
| 128.138.126.88 | — | 0 | | |
| 128.138.126.89 | — | 0 | | |
| 128.138.126.90 | — | 0 | | |
| 128.138.126.91 | — | 0 | | |
| 128.138.126.92 | — | 0 | | |
| 128.138.126.93 | — | 0 | | |
| 128.138.126.94 | — | 0 | | |
| 128.138.126.95 | — | 0 | | |
| 128.138.126.96 | — | 0 | | |
| 128.138.126.97 | — | 0 | | |
| 128.138.126.98 | — | 0 | | |
| 128.138.126.99 | — | 0 | | |
| 128.138.126.100 | — | 0 | | |
| 128.138.126.101 | — | 0 | | |
| 128.138.126.102 | — | 0 | | |
| 128.138.126.103 | — | 0 | | |
| 128.138.126.104 | — | 0 | | |
| 128.138.126.105 | — | 0 | | |
| 128.138.126.106 | — | 0 | | |
| 128.138.126.107 | — | 0 | | |
| 128.138.126.108 | — | 0 | | |
| 128.138.126.109 | — | 0 | | |
| 128.138.126.110 | — | 0 | | |
| 128.138.126.111 | — | 0 | | |
| 128.138.126.112 | — | 0 | | |
| 128.138.126.113 | han-lj2055.colorado.edu | 0 | | |
| 128.138.126.114 | — | 0 | | |
| 128.138.126.115 | — | 0 | | |
| 128.138.126.116 | — | 0 | | |
| 128.138.126.117 | — | 0 | | |
| 128.138.126.118 | — | 0 | | |
| 128.138.126.119 | — | 0 | | |
| 128.138.126.120 | — | 0 | | |
| 128.138.126.121 | — | 0 | | |
| 128.138.126.122 | — | 0 | | |
| 128.138.126.123 | — | 0 | | |
| 128.138.126.124 | — | 0 | | |
| 128.138.126.125 | rslj.colorado.edu | 0 | | |
| 128.138.126.126 | — | 0 | | |
| 128.138.126.127 | — | 0 | | |
| 128.138.126.128 | — | 0 | | |
| 128.138.126.129 | — | 0 | | |
| 128.138.126.130 | — | 0 | | |
| 128.138.126.131 | — | 0 | | |
| 128.138.126.132 | — | 0 | | |
| 128.138.126.133 | — | 0 | | |
| 128.138.126.134 | — | 0 | | |
| 128.138.126.135 | — | 0 | | |
| 128.138.126.136 | — | 0 | | |
| 128.138.126.137 | — | 0 | | |
| 128.138.126.138 | — | 0 | | |
| 128.138.126.139 | — | 0 | | |
| 128.138.126.140 | — | 0 | | |
| 128.138.126.141 | cu-porter-128.138.126.141.colorado.edu | 0 | | |
| 128.138.126.142 | cu-porter-128.138.126.142.colorado.edu | 0 | | |
| 128.138.126.143 | cu-porter-128.138.126.143.colorado.edu | 0 | | |
| 128.138.126.144 | cu-porter-128.138.126.144.colorado.edu | 0 | | |
| 128.138.126.145 | cu-porter-128.138.126.145.colorado.edu | 0 | | |
| 128.138.126.146 | cu-porter-128.138.126.146.colorado.edu | 0 | | |
| 128.138.126.147 | cu-porter-128.138.126.147.colorado.edu | 0 | | |
| 128.138.126.148 | cu-porter-128.138.126.148.colorado.edu | 0 | | |
| 128.138.126.149 | cu-porter-128.138.126.149.colorado.edu | 0 | | |
| 128.138.126.150 | cu-porter-128.138.126.150.colorado.edu | 0 | | |
| 128.138.126.151 | cu-porter-128.138.126.151.colorado.edu | 0 | | |
| 128.138.126.152 | cu-porter-128.138.126.152.colorado.edu | 0 | | |
| 128.138.126.153 | cu-porter-128.138.126.153.colorado.edu | 0 | | |
| 128.138.126.154 | cu-porter-128.138.126.154.colorado.edu | 0 | | |
| 128.138.126.155 | cu-porter-128.138.126.155.colorado.edu | 0 | | |
| 128.138.126.156 | cu-porter-128.138.126.156.colorado.edu | 0 | | |
| 128.138.126.157 | cu-porter-128.138.126.157.colorado.edu | 0 | | |
| 128.138.126.158 | cu-porter-128.138.126.158.colorado.edu | 0 | | |
| 128.138.126.159 | cu-porter-128.138.126.159.colorado.edu | 0 | | |
| 128.138.126.160 | cu-porter-128.138.126.160.colorado.edu | 0 | | |
| 128.138.126.161 | cu-porter-128.138.126.161.colorado.edu | 0 | | |
| 128.138.126.162 | cu-porter-128.138.126.162.colorado.edu | 0 | | |
| 128.138.126.163 | cu-porter-128.138.126.163.colorado.edu | 0 | | |
| 128.138.126.164 | cu-porter-128.138.126.164.colorado.edu | 0 | | |
| 128.138.126.165 | cu-porter-128.138.126.165.colorado.edu | 0 | | |
| 128.138.126.166 | cu-porter-128.138.126.166.colorado.edu | 0 | | |
| 128.138.126.167 | cu-porter-128.138.126.167.colorado.edu | 0 | | |
| 128.138.126.168 | cu-porter-128.138.126.168.colorado.edu | 0 | | |
| 128.138.126.169 | cu-porter-128.138.126.169.colorado.edu | 0 | | |
| 128.138.126.170 | cu-porter-128.138.126.170.colorado.edu | 0 | | |
| 128.138.126.171 | cu-porter-128.138.126.171.colorado.edu | 0 | | |
| 128.138.126.172 | cu-porter-128.138.126.172.colorado.edu | 0 | | |
| 128.138.126.173 | cu-porter-128.138.126.173.colorado.edu | 0 | | |
| 128.138.126.174 | cu-porter-128.138.126.174.colorado.edu | 0 | | |
| 128.138.126.175 | cu-porter-128.138.126.175.colorado.edu | 0 | | |
| 128.138.126.176 | cu-porter-128.138.126.176.colorado.edu | 0 | | |
| 128.138.126.177 | cu-porter-128.138.126.177.colorado.edu | 0 | | |
| 128.138.126.178 | cu-porter-128.138.126.178.colorado.edu | 0 | | |
| 128.138.126.179 | cu-porter-128.138.126.179.colorado.edu | 0 | | |
| 128.138.126.180 | cu-porter-128.138.126.180.colorado.edu | 0 | | |
| 128.138.126.181 | cu-porter-128.138.126.181.colorado.edu | 0 | | |
| 128.138.126.182 | cu-porter-128.138.126.182.colorado.edu | 0 | | |
| 128.138.126.183 | cu-porter-128.138.126.183.colorado.edu | 0 | | |
| 128.138.126.184 | cu-porter-128.138.126.184.colorado.edu | 0 | | |
| 128.138.126.185 | cu-porter-128.138.126.185.colorado.edu | 0 | | |
| 128.138.126.186 | cu-porter-128.138.126.186.colorado.edu | 0 | | |
| 128.138.126.187 | cu-porter-128.138.126.187.colorado.edu | 0 | | |
| 128.138.126.188 | cu-porter-128.138.126.188.colorado.edu | 0 | | |
| 128.138.126.189 | cu-porter-128.138.126.189.colorado.edu | 0 | | |
| 128.138.126.190 | cu-porter-128.138.126.190.colorado.edu | 0 | | |
| 128.138.126.191 | cu-porter-128.138.126.191.colorado.edu | 0 | | |
| 128.138.126.192 | cu-porter-128.138.126.192.colorado.edu | 0 | | |
| 128.138.126.193 | cu-porter-128.138.126.193.colorado.edu | 0 | | |
| 128.138.126.194 | cu-porter-128.138.126.194.colorado.edu | 0 | | |
| 128.138.126.195 | cu-porter-128.138.126.195.colorado.edu | 0 | | |
| 128.138.126.196 | cu-porter-128.138.126.196.colorado.edu | 0 | | |
| 128.138.126.197 | cu-porter-128.138.126.197.colorado.edu | 0 | | |
| 128.138.126.198 | cu-porter-128.138.126.198.colorado.edu | 0 | | |
| 128.138.126.199 | cu-porter-128.138.126.199.colorado.edu | 0 | | |
| 128.138.126.200 | cu-porter-128.138.126.200.colorado.edu | 0 | | |
| 128.138.126.201 | cu-porter-128.138.126.201.colorado.edu | 0 | | |
| 128.138.126.202 | cu-porter-128.138.126.202.colorado.edu | 0 | | |
| 128.138.126.203 | cu-porter-128.138.126.203.colorado.edu | 0 | | |
| 128.138.126.204 | cu-porter-128.138.126.204.colorado.edu | 0 | | |
| 128.138.126.205 | cu-porter-128.138.126.205.colorado.edu | 0 | | |
| 128.138.126.206 | cu-porter-128.138.126.206.colorado.edu | 0 | | |
| 128.138.126.207 | cu-porter-128.138.126.207.colorado.edu | 0 | | |
| 128.138.126.208 | cu-porter-128.138.126.208.colorado.edu | 0 | | |
| 128.138.126.209 | cu-porter-128.138.126.209.colorado.edu | 0 | | |
| 128.138.126.210 | cu-porter-128.138.126.210.colorado.edu | 0 | | |
| 128.138.126.211 | cu-porter-128.138.126.211.colorado.edu | 0 | | |
| 128.138.126.212 | cu-porter-128.138.126.212.colorado.edu | 0 | | |
| 128.138.126.213 | cu-porter-128.138.126.213.colorado.edu | 0 | | |
| 128.138.126.214 | cu-porter-128.138.126.214.colorado.edu | 0 | | |
| 128.138.126.215 | cu-porter-128.138.126.215.colorado.edu | 0 | | |
| 128.138.126.216 | cu-porter-128.138.126.216.colorado.edu | 0 | | |
| 128.138.126.217 | cu-porter-128.138.126.217.colorado.edu | 0 | | |
| 128.138.126.218 | cu-porter-128.138.126.218.colorado.edu | 0 | | |
| 128.138.126.219 | cu-porter-128.138.126.219.colorado.edu | 0 | | |
| 128.138.126.220 | cu-porter-128.138.126.220.colorado.edu | 0 | | |
| 128.138.126.221 | cu-porter-128.138.126.221.colorado.edu | 0 | | |
| 128.138.126.222 | cu-porter-128.138.126.222.colorado.edu | 0 | | |
| 128.138.126.223 | cu-porter-128.138.126.223.colorado.edu | 0 | | |
| 128.138.126.224 | cu-porter-128.138.126.224.colorado.edu | 0 | | |
| 128.138.126.225 | cu-porter-128.138.126.225.colorado.edu | 0 | | |
| 128.138.126.226 | cu-porter-128.138.126.226.colorado.edu | 0 | | |
| 128.138.126.227 | cu-porter-128.138.126.227.colorado.edu | 0 | | |
| 128.138.126.228 | cu-porter-128.138.126.228.colorado.edu | 0 | | |
| 128.138.126.229 | cu-porter-128.138.126.229.colorado.edu | 0 | | |
| 128.138.126.230 | cu-porter-128.138.126.230.colorado.edu | 0 | | |
| 128.138.126.231 | cu-porter-128.138.126.231.colorado.edu | 0 | | |
| 128.138.126.232 | cu-porter-128.138.126.232.colorado.edu | 0 | | |
| 128.138.126.233 | cu-porter-128.138.126.233.colorado.edu | 0 | | |
| 128.138.126.234 | cu-porter-128.138.126.234.colorado.edu | 0 | | |
| 128.138.126.235 | cu-porter-128.138.126.235.colorado.edu | 0 | | |
| 128.138.126.236 | cu-porter-128.138.126.236.colorado.edu | 0 | | |
| 128.138.126.237 | cu-porter-128.138.126.237.colorado.edu | 0 | | |
| 128.138.126.238 | cu-porter-128.138.126.238.colorado.edu | 0 | | |
| 128.138.126.239 | cu-porter-128.138.126.239.colorado.edu | 0 | | |
| 128.138.126.240 | cu-porter-128.138.126.240.colorado.edu | 0 | | |
| 128.138.126.241 | cu-porter-128.138.126.241.colorado.edu | 0 | | |
| 128.138.126.242 | cu-porter-128.138.126.242.colorado.edu | 0 | | |
| 128.138.126.243 | cu-porter-128.138.126.243.colorado.edu | 0 | | |
| 128.138.126.244 | cu-porter-128.138.126.244.colorado.edu | 0 | | |
| 128.138.126.245 | cu-porter-128.138.126.245.colorado.edu | 0 | | |
| 128.138.126.246 | cu-porter-128.138.126.246.colorado.edu | 0 | | |
| 128.138.126.247 | cu-porter-128.138.126.247.colorado.edu | 0 | | |
| 128.138.126.248 | cu-porter-128.138.126.248.colorado.edu | 0 | | |
| 128.138.126.249 | cu-porter-128.138.126.249.colorado.edu | 0 | | |
| 128.138.126.250 | cu-porter-128.138.126.250.colorado.edu | 0 | | |
| 128.138.126.251 | cu-porter-128.138.126.251.colorado.edu | 0 | | |
| 128.138.126.252 | cu-porter-128.138.126.252.colorado.edu | 0 | | |
| 128.138.126.253 | cu-porter-128.138.126.253.colorado.edu | 0 | | |
| 128.138.126.254 | cu-porter-128.138.126.254.colorado.edu | 0 | | |
| 128.138.126.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f4 -m10 128.138.126.27
traceroute to 128.138.126.27 (128.138.126.27): 10 hops max, 52 byte packets
6 *
8 *
9 *
10 *
Measurement taken from 
IPinfo ProbeNet in Sao Paulo, BR
IPinfo ProbeNet in Sao Paulo, BROn