Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 245 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.224.0 | — | 0 |  | |
| 128.138.224.1 | engr-gw-ecad.colorado.edu | 0 | | |
| 128.138.224.2 | — | 0 | | |
| 128.138.224.3 | — | 0 | | |
| 128.138.224.4 | haselden-engr.colorado.edu | 0 | | |
| 128.138.224.5 | haselden-printer.colorado.edu | 0 | | |
| 128.138.224.6 | ecce224-6.colorado.edu | 0 | | |
| 128.138.224.7 | ecce224-7.colorado.edu | 0 | | |
| 128.138.224.8 | ecce224-8.colorado.edu | 0 | | |
| 128.138.224.9 | wepa-ecot-cr102.colorado.edu | 0 | | |
| 128.138.224.10 | ecot224-10.colorado.edu | 0 | | |
| 128.138.224.11 | barlab.cs.colorado.edu | 0 | | |
| 128.138.224.12 | bross.colorado.edu | 0 | | |
| 128.138.224.13 | arpg-brute.cs.colorado.edu | 0 | | |
| 128.138.224.14 | appm-eccr211.colorado.edu | 0 | | |
| 128.138.224.15 | csvc-est128.colorado.edu | 0 | | |
| 128.138.224.16 | ecot735-lab.colorado.edu | 0 | | |
| 128.138.224.17 | arpg-storage.cs.colorado.edu | 0 | | |
| 128.138.224.18 | eccr224-18.colorado.edu | 0 | | |
| 128.138.224.19 | ecot224-19.colorado.edu | 0 | | |
| 128.138.224.20 | eccr-265-lcap.colorado.edu | 0 | | |
| 128.138.224.21 | eccr-245-lcap.colorado.edu | 0 | | |
| 128.138.224.22 | eccs1b14-c40.colorado.edu | 0 | | |
| 128.138.224.23 | eccs-1b28-polycom.colorado.edu | 0 | | |
| 128.138.224.24 | eccs-1b28-switcher.colorado.edu | 0 | | |
| 128.138.224.25 | eccs-1b28-encoder.colorado.edu | 0 | | |
| 128.138.224.26 | eccs-1b14-polycom.colorado.edu | 0 | | |
| 128.138.224.27 | eccs-1b14-switcher.colorado.edu | 0 | | |
| 128.138.224.28 | eccs-1b14-encoder.colorado.edu | 0 | | |
| 128.138.224.29 | eccs-1b12-polycom.colorado.edu | 0 | | |
| 128.138.224.30 | eccs-1b12-switcher.colorado.edu | 0 | | |
| 128.138.224.31 | eccs-1b12-encoder.colorado.edu | 0 | | |
| 128.138.224.32 | av-eccr-1b40-pub.colorado.edu | 0 | | |
| 128.138.224.33 | nbsp.colorado.edu | 0 | | |
| 128.138.224.34 | mmph.colorado.edu | 0 | | |
| 128.138.224.35 | eccr-224-35.colorado.edu | 0 | | |
| 128.138.224.36 | ecad224-36.colorado.edu | 0 | | |
| 128.138.224.37 | ecee224-37.colorado.edu | 0 | | |
| 128.138.224.38 | ecad224-38.colorado.edu | 0 | | |
| 128.138.224.39 | ecad224-39.colorado.edu | 0 | | |
| 128.138.224.40 | ecce224-40.colorado.edu | 0 | | |
| 128.138.224.41 | babble-engr.colorado.edu | 0 | | |
| 128.138.224.42 | anothercaete.colorado.edu | 0 | | |
| 128.138.224.43 | ecad-p-003.colorado.edu | 0 | | |
| 128.138.224.44 | ecee265-backup.colorado.edu | 0 | | |
| 128.138.224.45 | isriram.colorado.edu | 0 | | |
| 128.138.224.46 | tbp.colorado.edu | 0 | | |
| 128.138.224.47 | arpg-titan.cs.colorado.edu | 0 | | |
| 128.138.224.48 | ecee224-48.colorado.edu | 0 | | |
| 128.138.224.49 | ecot224-49.colorado.edu | 0 | | |
| 128.138.224.50 | ecad224-50.colorado.edu | 0 | | |
| 128.138.224.51 | itd224-51.colorado.edu | 0 | | |
| 128.138.224.52 | eccr-mep52.colorado.edu | 0 | | |
| 128.138.224.53 | soilblast.colorado.edu | 0 | | |
| 128.138.224.54 | eccr224-54.colorado.edu | 0 | | |
| 128.138.224.55 | eccr224-55.colorado.edu | 0 | | |
| 128.138.224.56 | eccr-143.colorado.edu | 0 | | |
| 128.138.224.57 | ecad224-57.colorado.edu | 0 | | |
| 128.138.224.58 | ecot224-58.colorado.edu | 0 | | |
| 128.138.224.59 | ecot224-59.colorado.edu | 0 | | |
| 128.138.224.60 | ecad224-60.colorado.edu | 0 | | |
| 128.138.224.61 | sps-ecot-cr115-mfd.colorado.edu | 0 | | |
| 128.138.224.62 | eccr224-62.colorado.edu | 0 | | |
| 128.138.224.63 | sps-ecot-cr115-prs.colorado.edu | 0 | | |
| 128.138.224.64 | fm-224-64.colorado.edu | 0 | | |
| 128.138.224.65 | fm-224-65.colorado.edu | 0 | | |
| 128.138.224.66 | tormenta.colorado.edu | 0 | | |
| 128.138.224.67 | caete-exec-display.colorado.edu | 0 | | |
| 128.138.224.68 | dba01.colorado.edu | 0 | | |
| 128.138.224.69 | caete-video-conf.colorado.edu | 0 | | |
| 128.138.224.70 | eccr224-70.colorado.edu | 0 | | |
| 128.138.224.71 | eccr224-71.colorado.edu | 0 | | |
| 128.138.224.72 | ecst224-72.colorado.edu | 0 | | |
| 128.138.224.73 | ecad224-73.colorado.edu | 0 | | |
| 128.138.224.74 | ecot224-74.colorado.edu | 0 | | |
| 128.138.224.75 | ecad224-75.colorado.edu | 0 | | |
| 128.138.224.76 | ecad224-76.colorado.edu | 0 | | |
| 128.138.224.77 | hiro-nas.colorado.edu | 0 | | |
| 128.138.224.78 | ecce224-78.colorado.edu | 0 | | |
| 128.138.224.79 | ecee265.colorado.edu | 0 | | |
| 128.138.224.80 | arpg-web.colorado.edu | 0 | | |
| 128.138.224.81 | eccr224-81-dhcp.colorado.edu | 0 | | |
| 128.138.224.82 | eccr224-82-dhcp.colorado.edu | 0 | | |
| 128.138.224.83 | eccr224-83-dhcp.colorado.edu | 0 | | |
| 128.138.224.84 | eccr224-84-dhcp.colorado.edu | 0 | | |
| 128.138.224.85 | eccr224-85-dhcp.colorado.edu | 0 | | |
| 128.138.224.86 | ecot224-86.colorado.edu | 0 | | |
| 128.138.224.87 | eccr224-87.colorado.edu | 0 | | |
| 128.138.224.88 | eccr224-88-dhcp.colorado.edu | 0 | | |
| 128.138.224.89 | eccr224-89-dhcp.colorado.edu | 0 | | |
| 128.138.224.90 | eccr224-90-dhcp.colorado.edu | 0 | | |
| 128.138.224.91 | eccr224-91-dhcp.colorado.edu | 0 | | |
| 128.138.224.92 | eccr224-92-dhcp.colorado.edu | 0 | | |
| 128.138.224.93 | eccr224-93-dhcp.colorado.edu | 0 | | |
| 128.138.224.94 | eccr224-94-dhcp.colorado.edu | 0 | | |
| 128.138.224.95 | eccr224-95-dhcp.colorado.edu | 0 | | |
| 128.138.224.96 | eccr224-96-dhcp.colorado.edu | 0 | | |
| 128.138.224.97 | eccr224-97-dhcp.colorado.edu | 0 | | |
| 128.138.224.98 | dupeprint.colorado.edu | 0 | | |
| 128.138.224.99 | cu-ecad-224-99.colorado.edu | 0 | | |
| 128.138.224.100 | ecee265-cam.colorado.edu | 0 | | |
| 128.138.224.101 | ecot224-101.colorado.edu | 0 | | |
| 128.138.224.102 | eccr224-102.colorado.edu | 0 | | |
| 128.138.224.103 | csvc-p-001.colorado.edu | 0 | | |
| 128.138.224.104 | magellan-rsc.colorado.edu | 0 | | |
| 128.138.224.105 | fm-224-105.colorado.edu | 0 | | |
| 128.138.224.106 | eccr224-106.colorado.edu | 0 | | |
| 128.138.224.107 | mediasite-ecce283.colorado.edu | 0 | | |
| 128.138.224.108 | eccr-1b40-lcap.colorado.edu | 0 | | |
| 128.138.224.109 | eccr224-109-dhcp.colorado.edu | 0 | | |
| 128.138.224.110 | eccr224-110-dhcp.colorado.edu | 0 | | |
| 128.138.224.111 | eccr224-111-dhcp.colorado.edu | 0 | | |
| 128.138.224.112 | eccr224-112-dhcp.colorado.edu | 0 | | |
| 128.138.224.113 | eccr224-113-dhcp.colorado.edu | 0 | | |
| 128.138.224.114 | eccr224-114-dhcp.colorado.edu | 0 | | |
| 128.138.224.115 | eccr224-115-dhcp.colorado.edu | 0 | | |
| 128.138.224.116 | eccr224-116-dhcp.colorado.edu | 0 | | |
| 128.138.224.117 | eccr224-117-dhcp.colorado.edu | 0 | | |
| 128.138.224.118 | eccr224-118-dhcp.colorado.edu | 0 | | |
| 128.138.224.119 | eccr224-119-dhcp.colorado.edu | 0 | | |
| 128.138.224.120 | eccr224-120-dhcp.colorado.edu | 0 | | |
| 128.138.224.121 | eccr224-121-dhcp.colorado.edu | 0 | | |
| 128.138.224.122 | eccr224-122-dhcp.colorado.edu | 0 | | |
| 128.138.224.123 | eccr224-123-dhcp.colorado.edu | 0 | | |
| 128.138.224.124 | eccr224-124-dhcp.colorado.edu | 0 | | |
| 128.138.224.125 | eccr224-125-dhcp.colorado.edu | 0 | | |
| 128.138.224.126 | eccr224-126-dhcp.colorado.edu | 0 | | |
| 128.138.224.127 | eccr224-127-dhcp.colorado.edu | 0 | | |
| 128.138.224.128 | eccr224-128-dhcp.colorado.edu | 0 | | |
| 128.138.224.129 | eccr224-129-dhcp.colorado.edu | 0 | | |
| 128.138.224.130 | eccr224-130-dhcp.colorado.edu | 0 | | |
| 128.138.224.131 | eccs1b14-dsp.colorado.edu | 0 | | |
| 128.138.224.132 | eccs1b14-conf.colorado.edu | 0 | | |
| 128.138.224.133 | eccs1b14-16i.colorado.edu | 0 | | |
| 128.138.224.134 | eccs1b12-dsp.colorado.edu | 0 | | |
| 128.138.224.135 | eccs1b12-conf.colorado.edu | 0 | | |
| 128.138.224.136 | eccs1b12-16i-1.colorado.edu | 0 | | |
| 128.138.224.137 | eccs1b12-16i-2.colorado.edu | 0 | | |
| 128.138.224.138 | eccs1b12-16i-3.colorado.edu | 0 | | |
| 128.138.224.139 | eccs1b28-dsp.colorado.edu | 0 | | |
| 128.138.224.140 | eccs1b28-conf.colorado.edu | 0 | | |
| 128.138.224.141 | eccs1b28-16i-1.colorado.edu | 0 | | |
| 128.138.224.142 | eccs1b28-16i-2.colorado.edu | 0 | | |
| 128.138.224.143 | eccs1b28-16i-3.colorado.edu | 0 | | |
| 128.138.224.144 | eccs1b24-evertz.colorado.edu | 0 | | |
| 128.138.224.145 | ecot224-145.colorado.edu | 0 | | |
| 128.138.224.146 | eccr224-146-dhcp.colorado.edu | 0 | | |
| 128.138.224.147 | eccr224-147-dhcp.colorado.edu | 0 | | |
| 128.138.224.148 | eccr224-148-dhcp.colorado.edu | 0 | | |
| 128.138.224.149 | eccr224-149-dhcp.colorado.edu | 0 | | |
| 128.138.224.150 | ecee-224-150.colorado.edu | 0 | | |
| 128.138.224.151 | eccr-224-151.colorado.edu | 0 | | |
| 128.138.224.152 | arpg-git.cs.colorado.edu | 0 | | |
| 128.138.224.153 | eccs-201-mediasite.colorado.edu | 0 | | |
| 128.138.224.154 | snowy.colorado.edu | 0 | | |
| 128.138.224.155 | eccr224-155-dhcp.colorado.edu | 0 | | |
| 128.138.224.156 | eccr224-156-dhcp.colorado.edu | 0 | | |
| 128.138.224.157 | eccr224-157-dhcp.colorado.edu | 0 | | |
| 128.138.224.158 | eccr224-158-dhcp.colorado.edu | 0 | | |
| 128.138.224.159 | eccr224-159-dhcp.colorado.edu | 0 | | |
| 128.138.224.160 | eccr224-160-dhcp.colorado.edu | 0 | | |
| 128.138.224.161 | eccr224-161-dhcp.colorado.edu | 0 | | |
| 128.138.224.162 | eccr224-162-dhcp.colorado.edu | 0 | | |
| 128.138.224.163 | eccr224-163-dhcp.colorado.edu | 0 | | |
| 128.138.224.164 | — | 0 | | |
| 128.138.224.165 | — | 0 | | |
| 128.138.224.166 | — | 0 | | |
| 128.138.224.167 | — | 0 | | |
| 128.138.224.168 | — | 0 | | |
| 128.138.224.169 | — | 0 | | |
| 128.138.224.170 | eccr224-170-dhcp.colorado.edu | 0 | | |
| 128.138.224.171 | eccr224-171-dhcp.colorado.edu | 0 | | |
| 128.138.224.172 | eccr224-172-dhcp.colorado.edu | 0 | | |
| 128.138.224.173 | eccr224-173-dhcp.colorado.edu | 0 | | |
| 128.138.224.174 | eccr224-174-dhcp.colorado.edu | 0 | | |
| 128.138.224.175 | eccr224-175-dhcp.colorado.edu | 0 | | |
| 128.138.224.176 | eccr224-176-dhcp.colorado.edu | 0 | | |
| 128.138.224.177 | eccr224-177-dhcp.colorado.edu | 0 | | |
| 128.138.224.178 | eccr224-178-dhcp.colorado.edu | 0 | | |
| 128.138.224.179 | eccr224-179-dhcp.colorado.edu | 0 | | |
| 128.138.224.180 | eccr224-180-dhcp.colorado.edu | 0 | | |
| 128.138.224.181 | eccr224-181-dhcp.colorado.edu | 0 | | |
| 128.138.224.182 | eccr224-182-dhcp.colorado.edu | 0 | | |
| 128.138.224.183 | eccr224-183-dhcp.colorado.edu | 0 | | |
| 128.138.224.184 | eccr224-184-dhcp.colorado.edu | 0 | | |
| 128.138.224.185 | eccr224-185-dhcp.colorado.edu | 0 | | |
| 128.138.224.186 | eccr224-186-dhcp.colorado.edu | 0 | | |
| 128.138.224.187 | — | 0 | | |
| 128.138.224.188 | eccr224-188-dhcp.colorado.edu | 0 | | |
| 128.138.224.189 | eccr224-189-dhcp.colorado.edu | 0 | | |
| 128.138.224.190 | eccr224-190-dhcp.colorado.edu | 0 | | |
| 128.138.224.191 | eccr224-191-dhcp.colorado.edu | 0 | | |
| 128.138.224.192 | eccr224-192-dhcp.colorado.edu | 0 | | |
| 128.138.224.193 | eccr224-193-dhcp.colorado.edu | 0 | | |
| 128.138.224.194 | eccr224-194-dhcp.colorado.edu | 0 | | |
| 128.138.224.195 | eccr224-195-dhcp.colorado.edu | 0 | | |
| 128.138.224.196 | eccr224-196-dhcp.colorado.edu | 0 | | |
| 128.138.224.197 | eccr224-197-dhcp.colorado.edu | 0 | | |
| 128.138.224.198 | eccr224-198-dhcp.colorado.edu | 0 | | |
| 128.138.224.199 | eccr224-199-dhcp.colorado.edu | 0 | | |
| 128.138.224.200 | eccr224-200-dhcp.colorado.edu | 0 | | |
| 128.138.224.201 | eccr224-201-dhcp.colorado.edu | 0 | | |
| 128.138.224.202 | eccr224-202-dhcp.colorado.edu | 0 | | |
| 128.138.224.203 | eccr224-203-dhcp.colorado.edu | 0 | | |
| 128.138.224.204 | eccr224-204-dhcp.colorado.edu | 0 | | |
| 128.138.224.205 | eccr224-205-dhcp.colorado.edu | 0 | | |
| 128.138.224.206 | eccr224-206-dhcp.colorado.edu | 0 | | |
| 128.138.224.207 | eccr224-207-dhcp.colorado.edu | 0 | | |
| 128.138.224.208 | eccr224-208-dhcp.colorado.edu | 0 | | |
| 128.138.224.209 | eccr224-209-dhcp.colorado.edu | 0 | | |
| 128.138.224.210 | eccr224-210-dhcp.colorado.edu | 0 | | |
| 128.138.224.211 | eccr224-211-dhcp.colorado.edu | 0 | | |
| 128.138.224.212 | eccr224-212-dhcp.colorado.edu | 0 | | |
| 128.138.224.213 | eccr224-213-dhcp.colorado.edu | 0 | | |
| 128.138.224.214 | eccr224-214-dhcp.colorado.edu | 0 | | |
| 128.138.224.215 | eccr224-215-dhcp.colorado.edu | 0 | | |
| 128.138.224.216 | eccr224-216-dhcp.colorado.edu | 0 | | |
| 128.138.224.217 | eccr224-217-dhcp.colorado.edu | 0 | | |
| 128.138.224.218 | eccr224-218-dhcp.colorado.edu | 0 | | |
| 128.138.224.219 | eccr224-219-dhcp.colorado.edu | 0 | | |
| 128.138.224.220 | eccr224-220-dhcp.colorado.edu | 0 | | |
| 128.138.224.221 | eccr224-221-dhcp.colorado.edu | 0 | | |
| 128.138.224.222 | eccr224-222-dhcp.colorado.edu | 0 | | |
| 128.138.224.223 | eccr224-223-dhcp.colorado.edu | 0 | | |
| 128.138.224.224 | eccr224-224-dhcp.colorado.edu | 0 | | |
| 128.138.224.225 | eccr224-225-dhcp.colorado.edu | 0 | | |
| 128.138.224.226 | eccr224-226-dhcp.colorado.edu | 0 | | |
| 128.138.224.227 | eccr224-227-dhcp.colorado.edu | 0 | | |
| 128.138.224.228 | eccr224-228-dhcp.colorado.edu | 0 | | |
| 128.138.224.229 | eccr224-229-dhcp.colorado.edu | 0 | | |
| 128.138.224.230 | eccr224-230-dhcp.colorado.edu | 0 | | |
| 128.138.224.231 | eccr224-231-dhcp.colorado.edu | 0 | | |
| 128.138.224.232 | eccr224-232-dhcp.colorado.edu | 0 | | |
| 128.138.224.233 | eccr224-233-dhcp.colorado.edu | 0 | | |
| 128.138.224.234 | eccr224-234-dhcp.colorado.edu | 0 | | |
| 128.138.224.235 | eccr224-235-dhcp.colorado.edu | 0 | | |
| 128.138.224.236 | eccr224-236-dhcp.colorado.edu | 0 | | |
| 128.138.224.237 | eccr224-237-dhcp.colorado.edu | 0 | | |
| 128.138.224.238 | eccr224-238-dhcp.colorado.edu | 0 | | |
| 128.138.224.239 | eccr224-239-dhcp.colorado.edu | 0 | | |
| 128.138.224.240 | eccr224-240-dhcp.colorado.edu | 0 | | |
| 128.138.224.241 | eccr224-241-dhcp.colorado.edu | 0 | | |
| 128.138.224.242 | eccr224-242-dhcp.colorado.edu | 0 | | |
| 128.138.224.243 | eccr224-243-dhcp.colorado.edu | 0 | | |
| 128.138.224.244 | eccr224-244-dhcp.colorado.edu | 0 | | |
| 128.138.224.245 | eccr224-245-dhcp.colorado.edu | 0 | | |
| 128.138.224.246 | eccr224-246-dhcp.colorado.edu | 0 | | |
| 128.138.224.247 | eccr224-247-dhcp.colorado.edu | 0 | | |
| 128.138.224.248 | eccr224-248-dhcp.colorado.edu | 0 | | |
| 128.138.224.249 | eccr224-249-dhcp.colorado.edu | 0 | | |
| 128.138.224.250 | eccr224-250-dhcp.colorado.edu | 0 | | |
| 128.138.224.251 | eccr224-251-dhcp.colorado.edu | 0 | | |
| 128.138.224.252 | eccr224-252-dhcp.colorado.edu | 0 | | |
| 128.138.224.253 | eccr224-253-dhcp.colorado.edu | 0 | | |
| 128.138.224.254 | eccr224-254-dhcp.colorado.edu | 0 | | |
| 128.138.224.255 | — | 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 128.138.224.97
traceroute to 128.138.224.97 (128.138.224.97): 8 hops max, 52 byte packets
6 *
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in Los Angeles, US
IPinfo ProbeNet in Los Angeles, USOn