Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 189 |
| Hosted Domains | 0 |
| Pingable IPs | 4 |
| Router IPs | 0 |
| 128.138.232.0 | — | 0 |  | |
| 128.138.232.1 | engr-gw-kaos.colorado.edu | 0 | | |
| 128.138.232.2 | espresso.colorado.edu | 0 | | |
| 128.138.232.3 | — | 0 | | |
| 128.138.232.4 | irish.colorado.edu | 0 | | |
| 128.138.232.5 | java.colorado.edu | 0 | | |
| 128.138.232.6 | kona.colorado.edu | 0 | | |
| 128.138.232.7 | — | 0 | | |
| 128.138.232.8 | turkish.colorado.edu | 0 | | |
| 128.138.232.9 | aulait.colorado.edu | 0 | | |
| 128.138.232.10 | cafe.colorado.edu | 0 | | |
| 128.138.232.11 | stool-232.colorado.edu | 0 | | |
| 128.138.232.12 | oldcafe.colorado.edu | 0 | | |
| 128.138.232.13 | instant.colorado.edu | 0 | | |
| 128.138.232.14 | shamir.colorado.edu | 0 | | |
| 128.138.232.15 | terminus.colorado.edu | 0 | | |
| 128.138.232.16 | coffeebar.colorado.edu | 0 | | |
| 128.138.232.17 | roaster.colorado.edu | 0 | | |
| 128.138.232.18 | bean.colorado.edu | 0 | | |
| 128.138.232.19 | moore.colorado.edu | 0 | | |
| 128.138.232.20 | decaf.colorado.edu | 0 | | |
| 128.138.232.21 | latte.colorado.edu | 0 | | |
| 128.138.232.22 | kaffe.colorado.edu | 0 | | |
| 128.138.232.23 | sumatra.colorado.edu | 0 | | |
| 128.138.232.24 | joe.colorado.edu | 0 | | |
| 128.138.232.25 | cu-kaos-232-25.colorado.edu | 0 | | |
| 128.138.232.26 | cu-kaos-232-26.colorado.edu | 0 | | |
| 128.138.232.27 | — | 0 | | |
| 128.138.232.28 | — | 0 | | |
| 128.138.232.29 | — | 0 | | |
| 128.138.232.30 | arabica.colorado.edu | 0 | | |
| 128.138.232.31 | assam.colorado.edu | 0 | | |
| 128.138.232.32 | ceylon.colorado.edu | 0 | | |
| 128.138.232.33 | sencha.colorado.edu | 0 | | |
| 128.138.232.34 | iced.colorado.edu | 0 | | |
| 128.138.232.35 | keemun.colorado.edu | 0 | | |
| 128.138.232.36 | oolong.colorado.edu | 0 | | |
| 128.138.232.37 | pekoe.colorado.edu | 0 | | |
| 128.138.232.38 | zinger.colorado.edu | 0 | | |
| 128.138.232.39 | sleepytime.colorado.edu | 0 | | |
| 128.138.232.40 | mug.colorado.edu | 0 | | |
| 128.138.232.41 | vanilla.colorado.edu | 0 | | |
| 128.138.232.42 | coffee-ppp.colorado.edu | 0 | | |
| 128.138.232.43 | cup.colorado.edu | 0 | | |
| 128.138.232.44 | illy.colorado.edu | 0 | | |
| 128.138.232.45 | willy.colorado.edu | 0 | | |
| 128.138.232.46 | faith.colorado.edu | 0 | | |
| 128.138.232.47 | greentea.colorado.edu | 0 | | |
| 128.138.232.48 | macchiato.colorado.edu | 0 | | |
| 128.138.232.49 | mocha.colorado.edu | 0 | | |
| 128.138.232.50 | hemlock.colorado.edu | 0 | | |
| 128.138.232.51 | hemlock-slip.colorado.edu | 0 | | |
| 128.138.232.52 | cambric.colorado.edu | 0 | | |
| 128.138.232.53 | ginseng.colorado.edu | 0 | | |
| 128.138.232.54 | chai.colorado.edu | 0 | | |
| 128.138.232.55 | ginko.colorado.edu | 0 | | |
| 128.138.232.56 | earlgrey.colorado.edu | 0 | | |
| 128.138.232.57 | lulubird-kaos.colorado.edu | 0 | | |
| 128.138.232.58 | — | 0 | | |
| 128.138.232.59 | — | 0 | | |
| 128.138.232.60 | swirl.colorado.edu | 0 | | |
| 128.138.232.61 | scoop.colorado.edu | 0 | | |
| 128.138.232.62 | grinder.colorado.edu | 0 | | |
| 128.138.232.63 | — | 0 | | |
| 128.138.232.64 | — | 0 | | |
| 128.138.232.65 | engr-cs232-64-gw.colorado.edu | 0 |  | |
| 128.138.232.66 | kaffeine1.colorado.edu | 0 | | |
| 128.138.232.67 | kaffeine2.colorado.edu | 0 | | |
| 128.138.232.68 | kaffeine3.colorado.edu | 0 | | |
| 128.138.232.69 | kaffeine4.colorado.edu | 0 | | |
| 128.138.232.70 | kaffeine5.colorado.edu | 0 | | |
| 128.138.232.71 | kaffeine6.colorado.edu | 0 | | |
| 128.138.232.72 | kaffeine7.colorado.edu | 0 | | |
| 128.138.232.73 | kaffeine8.colorado.edu | 0 | | |
| 128.138.232.74 | kaffeine9.colorado.edu | 0 | | |
| 128.138.232.75 | kaffeine10.colorado.edu | 0 | | |
| 128.138.232.76 | kaffeine11.colorado.edu | 0 | | |
| 128.138.232.77 | kaffeine12.colorado.edu | 0 | | |
| 128.138.232.78 | itplab.colorado.edu | 0 | | |
| 128.138.232.79 | relay-old.colorado.edu | 0 | | |
| 128.138.232.80 | kaffeine15.colorado.edu | 0 | | |
| 128.138.232.81 | helios.cs.colorado.edu | 0 | | |
| 128.138.232.82 | ecee-2b80-akcp1.cs.colorado.edu | 0 | | |
| 128.138.232.83 | helios-cluster1 | 0 | | |
| 128.138.232.84 | — | 0 | | |
| 128.138.232.85 | — | 0 | | |
| 128.138.232.86 | helios-cluster2 | 0 | | |
| 128.138.232.87 | — | 0 | | |
| 128.138.232.88 | — | 0 | | |
| 128.138.232.89 | reprise.colorado.edu | 0 | | |
| 128.138.232.90 | soliton.colorado.edu | 0 | | |
| 128.138.232.91 | — | 0 | | |
| 128.138.232.92 | — | 0 | | |
| 128.138.232.93 | — | 0 | | |
| 128.138.232.94 | — | 0 | | |
| 128.138.232.95 | — | 0 | | |
| 128.138.232.96 | — | 0 | | |
| 128.138.232.97 | — | 0 | | |
| 128.138.232.98 | — | 0 | | |
| 128.138.232.99 | — | 0 | | |
| 128.138.232.100 | — | 0 | | |
| 128.138.232.101 | — | 0 | | |
| 128.138.232.102 | — | 0 | | |
| 128.138.232.103 | — | 0 | | |
| 128.138.232.104 | — | 0 | | |
| 128.138.232.105 | — | 0 | | |
| 128.138.232.106 | — | 0 | | |
| 128.138.232.107 | — | 0 | | |
| 128.138.232.108 | — | 0 | | |
| 128.138.232.109 | — | 0 | | |
| 128.138.232.110 | — | 0 | | |
| 128.138.232.111 | — | 0 | | |
| 128.138.232.112 | — | 0 | | |
| 128.138.232.113 | — | 0 | | |
| 128.138.232.114 | — | 0 | | |
| 128.138.232.115 | — | 0 | | |
| 128.138.232.116 | — | 0 | | |
| 128.138.232.117 | — | 0 | | |
| 128.138.232.118 | — | 0 | | |
| 128.138.232.119 | — | 0 | | |
| 128.138.232.120 | — | 0 | | |
| 128.138.232.121 | — | 0 | | |
| 128.138.232.122 | — | 0 | | |
| 128.138.232.123 | — | 0 | | |
| 128.138.232.124 | — | 0 | | |
| 128.138.232.125 | — | 0 | | |
| 128.138.232.126 | — | 0 | | |
| 128.138.232.127 | — | 0 | | |
| 128.138.232.128 | — | 0 | | |
| 128.138.232.129 | bold232-128-gw.colorado.edu | 0 | | |
| 128.138.232.130 | — | 0 | | |
| 128.138.232.131 | — | 0 | | |
| 128.138.232.132 | icon16.colorado.edu | 0 | | |
| 128.138.232.133 | — | 0 | | |
| 128.138.232.134 | — | 0 | | |
| 128.138.232.135 | ecce232-135.colorado.edu | 0 | | |
| 128.138.232.136 | ecce232-136.colorado.edu | 0 | | |
| 128.138.232.137 | ecce232-137.colorado.edu | 0 | | |
| 128.138.232.138 | ecce232-138.colorado.edu | 0 | | |
| 128.138.232.139 | ecee232-139.colorado.edu | 0 | | |
| 128.138.232.140 | bold-skippy.colorado.edu | 0 | | |
| 128.138.232.141 | — | 0 | | |
| 128.138.232.142 | — | 0 | | |
| 128.138.232.143 | — | 0 | | |
| 128.138.232.144 | — | 0 | | |
| 128.138.232.145 | — | 0 | | |
| 128.138.232.146 | — | 0 | | |
| 128.138.232.147 | — | 0 | | |
| 128.138.232.148 | — | 0 | | |
| 128.138.232.149 | — | 0 | | |
| 128.138.232.150 | — | 0 | | |
| 128.138.232.151 | bold232-151-dhcp.colorado.edu | 0 | | |
| 128.138.232.152 | bold232-152-dhcp.colorado.edu | 0 | | |
| 128.138.232.153 | bold232-153-dhcp.colorado.edu | 0 | | |
| 128.138.232.154 | bold232-154-dhcp.colorado.edu | 0 | | |
| 128.138.232.155 | bold232-155-dhcp.colorado.edu | 0 | | |
| 128.138.232.156 | bold232-156-dhcp.colorado.edu | 0 | | |
| 128.138.232.157 | bold232-157-dhcp.colorado.edu | 0 | | |
| 128.138.232.158 | bold232-158-dhcp.colorado.edu | 0 | | |
| 128.138.232.159 | bold232-159-dhcp.colorado.edu | 0 | | |
| 128.138.232.160 | bold232-160-dhcp.colorado.edu | 0 | | |
| 128.138.232.161 | bold232-161-dhcp.colorado.edu | 0 | | |
| 128.138.232.162 | bold232-162-dhcp.colorado.edu | 0 | | |
| 128.138.232.163 | bold232-163-dhcp.colorado.edu | 0 | | |
| 128.138.232.164 | bold232-164-dhcp.colorado.edu | 0 | | |
| 128.138.232.165 | bold232-165-dhcp.colorado.edu | 0 | | |
| 128.138.232.166 | bold232-166-dhcp.colorado.edu | 0 | | |
| 128.138.232.167 | bold232-167-dhcp.colorado.edu | 0 | | |
| 128.138.232.168 | bold232-168-dhcp.colorado.edu | 0 | | |
| 128.138.232.169 | bold232-169-dhcp.colorado.edu | 0 | | |
| 128.138.232.170 | bold232-170-dhcp.colorado.edu | 0 | | |
| 128.138.232.171 | bold232-171-dhcp.colorado.edu | 0 | | |
| 128.138.232.172 | bold232-172-dhcp.colorado.edu | 0 | | |
| 128.138.232.173 | bold232-173-dhcp.colorado.edu | 0 | | |
| 128.138.232.174 | bold232-174-dhcp.colorado.edu | 0 | | |
| 128.138.232.175 | bold232-175-dhcp.colorado.edu | 0 | | |
| 128.138.232.176 | bold232-176-dhcp.colorado.edu | 0 | | |
| 128.138.232.177 | bold232-177-dhcp.colorado.edu | 0 | | |
| 128.138.232.178 | bold232-178-dhcp.colorado.edu | 0 | | |
| 128.138.232.179 | bold232-179-dhcp.colorado.edu | 0 | | |
| 128.138.232.180 | bold232-180-dhcp.colorado.edu | 0 | | |
| 128.138.232.181 | bold232-181-dhcp.colorado.edu | 0 | | |
| 128.138.232.182 | bold232-182-dhcp.colorado.edu | 0 | | |
| 128.138.232.183 | bold232-183-dhcp.colorado.edu | 0 | | |
| 128.138.232.184 | bold232-184-dhcp.colorado.edu | 0 | | |
| 128.138.232.185 | bold232-185-dhcp.colorado.edu | 0 | | |
| 128.138.232.186 | bold232-186-dhcp.colorado.edu | 0 | | |
| 128.138.232.187 | bold232-187-dhcp.colorado.edu | 0 | | |
| 128.138.232.188 | bold232-188-dhcp.colorado.edu | 0 | | |
| 128.138.232.189 | bold232-189-dhcp.colorado.edu | 0 | | |
| 128.138.232.190 | bold232-190-dhcp.colorado.edu | 0 | | |
| 128.138.232.191 | bold232-191-dhcp.colorado.edu | 0 | | |
| 128.138.232.192 | bold232-192-dhcp.colorado.edu | 0 | | |
| 128.138.232.193 | bold232-193-dhcp.colorado.edu | 0 | | |
| 128.138.232.194 | bold232-194-dhcp.colorado.edu | 0 | | |
| 128.138.232.195 | bold232-195-dhcp.colorado.edu | 0 | | |
| 128.138.232.196 | bold232-196-dhcp.colorado.edu | 0 | | |
| 128.138.232.197 | bold232-197-dhcp.colorado.edu | 0 | | |
| 128.138.232.198 | bold232-198-dhcp.colorado.edu | 0 | | |
| 128.138.232.199 | bold232-199-dhcp.colorado.edu | 0 | | |
| 128.138.232.200 | bold232-200-dhcp.colorado.edu | 0 | | |
| 128.138.232.201 | bold232-201-dhcp.colorado.edu | 0 | | |
| 128.138.232.202 | bold232-202-dhcp.colorado.edu | 0 | | |
| 128.138.232.203 | bold232-203-dhcp.colorado.edu | 0 | | |
| 128.138.232.204 | bold232-204-dhcp.colorado.edu | 0 | | |
| 128.138.232.205 | bold232-205-dhcp.colorado.edu | 0 | | |
| 128.138.232.206 | bold232-206-dhcp.colorado.edu | 0 | | |
| 128.138.232.207 | bold232-207-dhcp.colorado.edu | 0 | | |
| 128.138.232.208 | bold232-208-dhcp.colorado.edu | 0 | | |
| 128.138.232.209 | bold232-209-dhcp.colorado.edu | 0 | | |
| 128.138.232.210 | bold232-210-dhcp.colorado.edu | 0 | | |
| 128.138.232.211 | bold232-211-dhcp.colorado.edu | 0 | | |
| 128.138.232.212 | bold232-212-dhcp.colorado.edu | 0 | | |
| 128.138.232.213 | bold232-213-dhcp.colorado.edu | 0 | | |
| 128.138.232.214 | bold232-214-dhcp.colorado.edu | 0 | | |
| 128.138.232.215 | bold232-215-dhcp.colorado.edu | 0 | | |
| 128.138.232.216 | bold232-216-dhcp.colorado.edu | 0 | | |
| 128.138.232.217 | bold232-217-dhcp.colorado.edu | 0 | | |
| 128.138.232.218 | bold232-218-dhcp.colorado.edu | 0 | | |
| 128.138.232.219 | bold232-219-dhcp.colorado.edu | 0 | | |
| 128.138.232.220 | bold232-220-dhcp.colorado.edu | 0 | | |
| 128.138.232.221 | bold232-221-dhcp.colorado.edu | 0 | | |
| 128.138.232.222 | bold232-222-dhcp.colorado.edu | 0 | | |
| 128.138.232.223 | bold232-223-dhcp.colorado.edu | 0 | | |
| 128.138.232.224 | bold232-224-dhcp.colorado.edu | 0 | | |
| 128.138.232.225 | bold232-225-dhcp.colorado.edu | 0 | | |
| 128.138.232.226 | bold232-226-dhcp.colorado.edu | 0 | | |
| 128.138.232.227 | bold232-227-dhcp.colorado.edu | 0 | | |
| 128.138.232.228 | bold232-228-dhcp.colorado.edu | 0 | | |
| 128.138.232.229 | bold232-229-dhcp.colorado.edu | 0 | | |
| 128.138.232.230 | bold232-230-dhcp.colorado.edu | 0 | | |
| 128.138.232.231 | bold232-231-dhcp.colorado.edu | 0 | | |
| 128.138.232.232 | bold232-232-dhcp.colorado.edu | 0 | | |
| 128.138.232.233 | bold232-233-dhcp.colorado.edu | 0 | | |
| 128.138.232.234 | bold232-234-dhcp.colorado.edu | 0 | | |
| 128.138.232.235 | bold232-235-dhcp.colorado.edu | 0 | | |
| 128.138.232.236 | bold232-236-dhcp.colorado.edu | 0 | | |
| 128.138.232.237 | bold232-237-dhcp.colorado.edu | 0 | | |
| 128.138.232.238 | bold232-238-dhcp.colorado.edu | 0 | | |
| 128.138.232.239 | bold232-239-dhcp.colorado.edu | 0 | | |
| 128.138.232.240 | bold232-240-dhcp.colorado.edu | 0 | | |
| 128.138.232.241 | bold232-241-dhcp.colorado.edu | 0 | | |
| 128.138.232.242 | bold232-242-dhcp.colorado.edu | 0 | | |
| 128.138.232.243 | bold232-243-dhcp.colorado.edu | 0 | | |
| 128.138.232.244 | bold232-244-dhcp.colorado.edu | 0 | | |
| 128.138.232.245 | bold232-245-dhcp.colorado.edu | 0 | | |
| 128.138.232.246 | bold232-246-dhcp.colorado.edu | 0 | | |
| 128.138.232.247 | bold232-247-dhcp.colorado.edu | 0 | | |
| 128.138.232.248 | bold232-248-dhcp.colorado.edu | 0 | | |
| 128.138.232.249 | bold232-249-dhcp.colorado.edu | 0 | | |
| 128.138.232.250 | bold232-250-dhcp.colorado.edu | 0 | | |
| 128.138.232.251 | bold232-251-dhcp.colorado.edu | 0 | | |
| 128.138.232.252 | bold232-252-dhcp.colorado.edu | 0 | | |
| 128.138.232.253 | bold232-253-dhcp.colorado.edu | 0 | | |
| 128.138.232.254 | bold232-254-dhcp.colorado.edu | 0 | | |
| 128.138.232.255 | — | 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 128.138.232.65
traceroute to 128.138.232.65 (128.138.232.65): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in Denver, US
IPinfo ProbeNet in Denver, USOn