Summary
| ASN | AS104 University of Colorado at Boulder |
| BGP | 128.138.0.0/16 |
| IPs with RDNS | 176 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.138.103.0 | — | 0 |  | |
| 128.138.103.1 | econ-atls103-0-gw.colorado.edu | 0 | | |
| 128.138.103.2 | — | 0 | | |
| 128.138.103.3 | — | 0 | | |
| 128.138.103.4 | — | 0 | | |
| 128.138.103.5 | — | 0 | | |
| 128.138.103.6 | atls103-6.colorado.edu | 0 | | |
| 128.138.103.7 | atls103-7.colorado.edu | 0 | | |
| 128.138.103.8 | atls103-8.colorado.edu | 0 | | |
| 128.138.103.9 | atls103-9.colorado.edu | 0 | | |
| 128.138.103.10 | atls103-10.colorado.edu | 0 | | |
| 128.138.103.11 | atls103-11.colorado.edu | 0 | | |
| 128.138.103.12 | atls103-12.colorado.edu | 0 | | |
| 128.138.103.13 | atls103-13.colorado.edu | 0 | | |
| 128.138.103.14 | atls103-14.colorado.edu | 0 | | |
| 128.138.103.15 | atls103-15.colorado.edu | 0 | | |
| 128.138.103.16 | atls103-16.colorado.edu | 0 | | |
| 128.138.103.17 | atls103-17.colorado.edu | 0 | | |
| 128.138.103.18 | atls103-18.colorado.edu | 0 | | |
| 128.138.103.19 | atls103-19.colorado.edu | 0 | | |
| 128.138.103.20 | atls103-20.colorado.edu | 0 | | |
| 128.138.103.21 | atls103-21.colorado.edu | 0 | | |
| 128.138.103.22 | atls103-22.colorado.edu | 0 | | |
| 128.138.103.23 | atls103-23.colorado.edu | 0 | | |
| 128.138.103.24 | atls103-24.colorado.edu | 0 | | |
| 128.138.103.25 | atls103-25.colorado.edu | 0 | | |
| 128.138.103.26 | atls103-26.colorado.edu | 0 | | |
| 128.138.103.27 | atls103-27.colorado.edu | 0 | | |
| 128.138.103.28 | atls103-28.colorado.edu | 0 | | |
| 128.138.103.29 | atls103-29.colorado.edu | 0 | | |
| 128.138.103.30 | atls103-30.colorado.edu | 0 | | |
| 128.138.103.31 | atls103-31.colorado.edu | 0 | | |
| 128.138.103.32 | atls103-32.colorado.edu | 0 | | |
| 128.138.103.33 | atls103-33.colorado.edu | 0 | | |
| 128.138.103.34 | atls103-34.colorado.edu | 0 | | |
| 128.138.103.35 | — | 0 | | |
| 128.138.103.36 | — | 0 | | |
| 128.138.103.37 | — | 0 | | |
| 128.138.103.38 | — | 0 | | |
| 128.138.103.39 | — | 0 | | |
| 128.138.103.40 | — | 0 | | |
| 128.138.103.41 | — | 0 | | |
| 128.138.103.42 | — | 0 | | |
| 128.138.103.43 | — | 0 | | |
| 128.138.103.44 | — | 0 | | |
| 128.138.103.45 | — | 0 | | |
| 128.138.103.46 | — | 0 | | |
| 128.138.103.47 | — | 0 | | |
| 128.138.103.48 | — | 0 | | |
| 128.138.103.49 | — | 0 | | |
| 128.138.103.50 | — | 0 | | |
| 128.138.103.51 | — | 0 | | |
| 128.138.103.52 | — | 0 | | |
| 128.138.103.53 | — | 0 | | |
| 128.138.103.54 | — | 0 | | |
| 128.138.103.55 | — | 0 | | |
| 128.138.103.56 | — | 0 | | |
| 128.138.103.57 | — | 0 | | |
| 128.138.103.58 | — | 0 | | |
| 128.138.103.59 | — | 0 | | |
| 128.138.103.60 | — | 0 | | |
| 128.138.103.61 | atls103-61-dhcp.colorado.edu | 0 | | |
| 128.138.103.62 | atls103-62-dhcp.colorado.edu | 0 | | |
| 128.138.103.63 | atls103-63-dhcp.colorado.edu | 0 | | |
| 128.138.103.64 | atls103-64-dhcp.colorado.edu | 0 | | |
| 128.138.103.65 | atls103-65-dhcp.colorado.edu | 0 | | |
| 128.138.103.66 | atls103-66-dhcp.colorado.edu | 0 | | |
| 128.138.103.67 | atls103-67-dhcp.colorado.edu | 0 | | |
| 128.138.103.68 | atls103-68-dhcp.colorado.edu | 0 | | |
| 128.138.103.69 | atls103-69-dhcp.colorado.edu | 0 | | |
| 128.138.103.70 | atls103-70-dhcp.colorado.edu | 0 | | |
| 128.138.103.71 | atls103-71-dhcp.colorado.edu | 0 | | |
| 128.138.103.72 | atls103-72-dhcp.colorado.edu | 0 | | |
| 128.138.103.73 | atls103-73-dhcp.colorado.edu | 0 | | |
| 128.138.103.74 | atls103-74-dhcp.colorado.edu | 0 | | |
| 128.138.103.75 | atls103-75-dhcp.colorado.edu | 0 | | |
| 128.138.103.76 | atls103-76-dhcp.colorado.edu | 0 | | |
| 128.138.103.77 | atls103-77-dhcp.colorado.edu | 0 | | |
| 128.138.103.78 | atls103-78-dhcp.colorado.edu | 0 | | |
| 128.138.103.79 | atls103-79-dhcp.colorado.edu | 0 | | |
| 128.138.103.80 | atls103-80-dhcp.colorado.edu | 0 | | |
| 128.138.103.81 | atls103-81-dhcp.colorado.edu | 0 | | |
| 128.138.103.82 | atls103-82-dhcp.colorado.edu | 0 | | |
| 128.138.103.83 | atls103-83-dhcp.colorado.edu | 0 | | |
| 128.138.103.84 | atls103-84-dhcp.colorado.edu | 0 | | |
| 128.138.103.85 | atls103-85-dhcp.colorado.edu | 0 | | |
| 128.138.103.86 | atls103-86-dhcp.colorado.edu | 0 | | |
| 128.138.103.87 | atls103-87-dhcp.colorado.edu | 0 | | |
| 128.138.103.88 | atls103-88-dhcp.colorado.edu | 0 | | |
| 128.138.103.89 | atls103-89-dhcp.colorado.edu | 0 | | |
| 128.138.103.90 | atls103-90-dhcp.colorado.edu | 0 | | |
| 128.138.103.91 | atls103-91-dhcp.colorado.edu | 0 | | |
| 128.138.103.92 | atls103-92-dhcp.colorado.edu | 0 | | |
| 128.138.103.93 | atls103-93-dhcp.colorado.edu | 0 | | |
| 128.138.103.94 | atls103-94-dhcp.colorado.edu | 0 | | |
| 128.138.103.95 | atls103-95-dhcp.colorado.edu | 0 | | |
| 128.138.103.96 | atls103-96-dhcp.colorado.edu | 0 | | |
| 128.138.103.97 | atls103-97-dhcp.colorado.edu | 0 | | |
| 128.138.103.98 | atls103-98-dhcp.colorado.edu | 0 | | |
| 128.138.103.99 | atls103-99-dhcp.colorado.edu | 0 | | |
| 128.138.103.100 | atls103-100-dhcp.colorado.edu | 0 | | |
| 128.138.103.101 | atls103-101-dhcp.colorado.edu | 0 | | |
| 128.138.103.102 | atls103-102-dhcp.colorado.edu | 0 | | |
| 128.138.103.103 | atls103-103-dhcp.colorado.edu | 0 | | |
| 128.138.103.104 | atls103-104-dhcp.colorado.edu | 0 | | |
| 128.138.103.105 | atls103-105-dhcp.colorado.edu | 0 | | |
| 128.138.103.106 | atls103-106-dhcp.colorado.edu | 0 | | |
| 128.138.103.107 | atls103-107-dhcp.colorado.edu | 0 | | |
| 128.138.103.108 | atls103-108-dhcp.colorado.edu | 0 | | |
| 128.138.103.109 | atls103-109-dhcp.colorado.edu | 0 | | |
| 128.138.103.110 | atls103-110-dhcp.colorado.edu | 0 | | |
| 128.138.103.111 | atls103-111-dhcp.colorado.edu | 0 | | |
| 128.138.103.112 | atls103-112-dhcp.colorado.edu | 0 | | |
| 128.138.103.113 | atls103-113-dhcp.colorado.edu | 0 | | |
| 128.138.103.114 | atls103-114-dhcp.colorado.edu | 0 | | |
| 128.138.103.115 | atls103-115-dhcp.colorado.edu | 0 | | |
| 128.138.103.116 | atls103-116-dhcp.colorado.edu | 0 | | |
| 128.138.103.117 | atls103-117-dhcp.colorado.edu | 0 | | |
| 128.138.103.118 | atls103-118-dhcp.colorado.edu | 0 | | |
| 128.138.103.119 | atls103-119-dhcp.colorado.edu | 0 | | |
| 128.138.103.120 | atls103-120-dhcp.colorado.edu | 0 | | |
| 128.138.103.121 | atls103-121-dhcp.colorado.edu | 0 | | |
| 128.138.103.122 | atls103-122-dhcp.colorado.edu | 0 | | |
| 128.138.103.123 | atls103-123-dhcp.colorado.edu | 0 | | |
| 128.138.103.124 | atls103-124-dhcp.colorado.edu | 0 | | |
| 128.138.103.125 | atls103-125-dhcp.colorado.edu | 0 | | |
| 128.138.103.126 | atls103-126-dhcp.colorado.edu | 0 | | |
| 128.138.103.127 | — | 0 | | |
| 128.138.103.128 | — | 0 | | |
| 128.138.103.129 | econ-gw-cott.colorado.edu | 0 | | |
| 128.138.103.130 | — | 0 | | |
| 128.138.103.131 | — | 0 | | |
| 128.138.103.132 | — | 0 | | |
| 128.138.103.133 | — | 0 | | |
| 128.138.103.134 | — | 0 | | |
| 128.138.103.135 | xerox5135.colorado.edu | 0 | | |
| 128.138.103.136 | — | 0 | | |
| 128.138.103.137 | — | 0 | | |
| 128.138.103.138 | — | 0 | | |
| 128.138.103.139 | cottage6.colorado.edu | 0 | | |
| 128.138.103.140 | — | 0 | | |
| 128.138.103.141 | — | 0 | | |
| 128.138.103.142 | — | 0 | | |
| 128.138.103.143 | — | 0 | | |
| 128.138.103.144 | cott103-144.colorado.edu | 0 | | |
| 128.138.103.145 | cott103-145.colorado.edu | 0 | | |
| 128.138.103.146 | cott103-146.colorado.edu | 0 | | |
| 128.138.103.147 | cott103-147.colorado.edu | 0 | | |
| 128.138.103.148 | cott103-148.colorado.edu | 0 | | |
| 128.138.103.149 | — | 0 | | |
| 128.138.103.150 | — | 0 | | |
| 128.138.103.151 | — | 0 | | |
| 128.138.103.152 | — | 0 | | |
| 128.138.103.153 | — | 0 | | |
| 128.138.103.154 | — | 0 | | |
| 128.138.103.155 | — | 0 | | |
| 128.138.103.156 | — | 0 | | |
| 128.138.103.157 | — | 0 | | |
| 128.138.103.158 | — | 0 | | |
| 128.138.103.159 | — | 0 | | |
| 128.138.103.160 | — | 0 | | |
| 128.138.103.161 | — | 0 | | |
| 128.138.103.162 | — | 0 | | |
| 128.138.103.163 | — | 0 | | |
| 128.138.103.164 | — | 0 | | |
| 128.138.103.165 | cott103-165-dhcp.colorado.edu | 0 | | |
| 128.138.103.166 | cott103-166-dhcp.colorado.edu | 0 | | |
| 128.138.103.167 | cott103-167-dhcp.colorado.edu | 0 | | |
| 128.138.103.168 | cott103-168-dhcp.colorado.edu | 0 | | |
| 128.138.103.169 | cott103-169-dhcp.colorado.edu | 0 | | |
| 128.138.103.170 | cott103-170-dhcp.colorado.edu | 0 | | |
| 128.138.103.171 | cott103-171-dhcp.colorado.edu | 0 | | |
| 128.138.103.172 | cott103-172-dhcp.colorado.edu | 0 | | |
| 128.138.103.173 | cott103-173-dhcp.colorado.edu | 0 | | |
| 128.138.103.174 | cott103-174-dhcp.colorado.edu | 0 | | |
| 128.138.103.175 | cott103-175-dhcp.colorado.edu | 0 | | |
| 128.138.103.176 | cott103-176-dhcp.colorado.edu | 0 | | |
| 128.138.103.177 | cott103-177-dhcp.colorado.edu | 0 | | |
| 128.138.103.178 | cott103-178-dhcp.colorado.edu | 0 | | |
| 128.138.103.179 | cott103-179-dhcp.colorado.edu | 0 | | |
| 128.138.103.180 | cott103-180-dhcp.colorado.edu | 0 | | |
| 128.138.103.181 | cott103-181-dhcp.colorado.edu | 0 | | |
| 128.138.103.182 | cott103-182-dhcp.colorado.edu | 0 | | |
| 128.138.103.183 | cott103-183-dhcp.colorado.edu | 0 | | |
| 128.138.103.184 | cott103-184-dhcp.colorado.edu | 0 | | |
| 128.138.103.185 | cott103-185-dhcp.colorado.edu | 0 | | |
| 128.138.103.186 | cott103-186-dhcp.colorado.edu | 0 | | |
| 128.138.103.187 | cott103-187-dhcp.colorado.edu | 0 | | |
| 128.138.103.188 | cott103-188-dhcp.colorado.edu | 0 | | |
| 128.138.103.189 | cott103-189-dhcp.colorado.edu | 0 | | |
| 128.138.103.190 | cott103-190-dhcp.colorado.edu | 0 | | |
| 128.138.103.191 | — | 0 | | |
| 128.138.103.192 | — | 0 | | |
| 128.138.103.193 | econ-gw-hend.colorado.edu | 0 | | |
| 128.138.103.194 | — | 0 | | |
| 128.138.103.195 | — | 0 | | |
| 128.138.103.196 | — | 0 | | |
| 128.138.103.197 | — | 0 | | |
| 128.138.103.198 | — | 0 | | |
| 128.138.103.199 | hend103-199.colorado.edu | 0 | | |
| 128.138.103.200 | hend103-200.colorado.edu | 0 | | |
| 128.138.103.201 | anthrolab1.colorado.edu | 0 | | |
| 128.138.103.202 | hend202.colorado.edu | 0 | | |
| 128.138.103.203 | hend103-203.colorado.edu | 0 | | |
| 128.138.103.204 | fm-as-mxp-clnt-hend-103-204.colorado.edu | 0 | | |
| 128.138.103.205 | kafka.colorado.edu | 0 | | |
| 128.138.103.206 | hend103-206.colorado.edu | 0 | | |
| 128.138.103.207 | — | 0 | | |
| 128.138.103.208 | — | 0 | | |
| 128.138.103.209 | — | 0 | | |
| 128.138.103.210 | hend103-210.colorado.edu | 0 | | |
| 128.138.103.211 | hend103-211.colorado.edu | 0 | | |
| 128.138.103.212 | — | 0 | | |
| 128.138.103.213 | museumed.colorado.edu | 0 | | |
| 128.138.103.214 | museumedgrad.colorado.edu | 0 | | |
| 128.138.103.215 | museumdesk.colorado.edu | 0 | | |
| 128.138.103.216 | — | 0 | | |
| 128.138.103.217 | — | 0 | | |
| 128.138.103.218 | anthrocm.colorado.edu | 0 | | |
| 128.138.103.219 | hend219.colorado.edu | 0 | | |
| 128.138.103.220 | hend103-220.colorado.edu | 0 | | |
| 128.138.103.221 | hend103-221.colorado.edu | 0 | | |
| 128.138.103.222 | — | 0 | | |
| 128.138.103.223 | hend103-223.colorado.edu | 0 | | |
| 128.138.103.224 | — | 0 | | |
| 128.138.103.225 | — | 0 | | |
| 128.138.103.226 | hend103-226.colorado.edu | 0 | | |
| 128.138.103.227 | — | 0 | | |
| 128.138.103.228 | hend103-228.colorado.edu | 0 | | |
| 128.138.103.229 | — | 0 | | |
| 128.138.103.230 | hend103-230-dhcp.colorado.edu | 0 | | |
| 128.138.103.231 | hend103-231-dhcp.colorado.edu | 0 | | |
| 128.138.103.232 | hend103-232-dhcp.colorado.edu | 0 | | |
| 128.138.103.233 | hend103-233-dhcp.colorado.edu | 0 | | |
| 128.138.103.234 | hend103-234-dhcp.colorado.edu | 0 | | |
| 128.138.103.235 | hend103-235-dhcp.colorado.edu | 0 | | |
| 128.138.103.236 | hend103-236-dhcp.colorado.edu | 0 | | |
| 128.138.103.237 | hend103-237-dhcp.colorado.edu | 0 | | |
| 128.138.103.238 | hend103-238-dhcp.colorado.edu | 0 | | |
| 128.138.103.239 | hend103-239-dhcp.colorado.edu | 0 | | |
| 128.138.103.240 | hend103-240-dhcp.colorado.edu | 0 | | |
| 128.138.103.241 | hend103-241-dhcp.colorado.edu | 0 | | |
| 128.138.103.242 | hend103-242-dhcp.colorado.edu | 0 | | |
| 128.138.103.243 | hend103-243-dhcp.colorado.edu | 0 | | |
| 128.138.103.244 | hend103-244-dhcp.colorado.edu | 0 | | |
| 128.138.103.245 | hend103-245-dhcp.colorado.edu | 0 | | |
| 128.138.103.246 | hend103-246-dhcp.colorado.edu | 0 | | |
| 128.138.103.247 | hend103-247-dhcp.colorado.edu | 0 | | |
| 128.138.103.248 | hend103-248-dhcp.colorado.edu | 0 | | |
| 128.138.103.249 | hend103-249-dhcp.colorado.edu | 0 | | |
| 128.138.103.250 | hend103-250-dhcp.colorado.edu | 0 | | |
| 128.138.103.251 | hend103-251-dhcp.colorado.edu | 0 | | |
| 128.138.103.252 | hend103-252-dhcp.colorado.edu | 0 | | |
| 128.138.103.253 | hend103-253-dhcp.colorado.edu | 0 | | |
| 128.138.103.254 | hend103-254-dhcp.colorado.edu | 0 | | |
| 128.138.103.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m7 128.138.103.32
traceroute to 128.138.103.32 (128.138.103.32): 7 hops max, 52 byte packets
2 *
5 *
6 *
7 *
Measurement taken from 
IPinfo ProbeNet in Los Angeles, US
IPinfo ProbeNet in Los Angeles, USOn