IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 128.0.0.0/8
  3. 128.138.0.0/16
  4. 128.138.138.0/24

128.138.138.0/24 IP Range

Summary

ASNAS104 University of Colorado at Boulder
BGP128.138.0.0/16
IPs with RDNS74
Hosted Domains0
Pingable IPs3
Router IPs1
128.138.138.0—0
128.138.138.1—0
128.138.138.2—0
128.138.138.3—0
128.138.138.4—0
128.138.138.5—0
128.138.138.6—0
128.138.138.7—0
128.138.138.8—0
128.138.138.9—0
128.138.138.10—0
128.138.138.11—0
128.138.138.12—0
128.138.138.13—0
128.138.138.14—0
128.138.138.15—0
128.138.138.16—0
128.138.138.17—0
128.138.138.18—0
128.138.138.19—0
128.138.138.20—0
128.138.138.21—0
128.138.138.22—0
128.138.138.23—0
128.138.138.24—0
128.138.138.25—0
128.138.138.26—0
128.138.138.27—0
128.138.138.28—0
128.138.138.29—0
128.138.138.30—0
128.138.138.31—0
128.138.138.32—0
128.138.138.33—0
128.138.138.34—0
128.138.138.35—0
128.138.138.36—0
128.138.138.37—0
128.138.138.38—0
128.138.138.39—0
128.138.138.40—0
128.138.138.41—0
128.138.138.42—0
128.138.138.43—0
128.138.138.44—0
128.138.138.45—0
128.138.138.46—0
128.138.138.47—0
128.138.138.48—0
128.138.138.49—0
128.138.138.50—0
128.138.138.51—0
128.138.138.52—0
128.138.138.53—0
128.138.138.54—0
128.138.138.55—0
128.138.138.56—0
128.138.138.57—0
128.138.138.58—0
128.138.138.59—0
128.138.138.60—0
128.138.138.61—0
128.138.138.62—0
128.138.138.63—0
128.138.138.64—0
128.138.138.65rl1-hds138-64-gw.colorado.edu0
128.138.138.66—0
128.138.138.67—0
128.138.138.68—0
128.138.138.69—0
128.138.138.70—0
128.138.138.71—0
128.138.138.72—0
128.138.138.73—0
128.138.138.74—0
128.138.138.75—0
128.138.138.76—0
128.138.138.77—0
128.138.138.78—0
128.138.138.79—0
128.138.138.80—0
128.138.138.81—0
128.138.138.82—0
128.138.138.83—0
128.138.138.84—0
128.138.138.85—0
128.138.138.86—0
128.138.138.87—0
128.138.138.88—0
128.138.138.89—0
128.138.138.90—0
128.138.138.91—0
128.138.138.92—0
128.138.138.93—0
128.138.138.94—0
128.138.138.95—0
128.138.138.96—0
128.138.138.97—0
128.138.138.98—0
128.138.138.99—0
128.138.138.100—0
128.138.138.101—0
128.138.138.102—0
128.138.138.103—0
128.138.138.104—0
128.138.138.105—0
128.138.138.106—0
128.138.138.107—0
128.138.138.108—0
128.138.138.109—0
128.138.138.110—0
128.138.138.111—0
128.138.138.112—0
128.138.138.113—0
128.138.138.114—0
128.138.138.115—0
128.138.138.116—0
128.138.138.117—0
128.138.138.118—0
128.138.138.119—0
128.138.138.120—0
128.138.138.121—0
128.138.138.122laspvpn.colorado.edu0
128.138.138.123—0
128.138.138.124—0
128.138.138.125—0
128.138.138.126—0
128.138.138.127—0
128.138.138.128—0
128.138.138.129rl1-rc-arce138-gw.colorado.edu0
128.138.138.130—0
128.138.138.131—0
128.138.138.132dj-dellicious.colorado.edu0
128.138.138.133alcibiades.colorado.edu0
128.138.138.134tombigmac.colorado.edu0
128.138.138.135rc-drobofs.colorado.edu0
128.138.138.136—0
128.138.138.137—0
128.138.138.138—0
128.138.138.139—0
128.138.138.140—0
128.138.138.141cu-arce-rc-128.138.138.141.colorado.edu0
128.138.138.142cu-arce-rc-128.138.138.142.colorado.edu0
128.138.138.143cu-arce-rc-128.138.138.143.colorado.edu0
128.138.138.144cu-arce-rc-128.138.138.144.colorado.edu0
128.138.138.145cu-arce-rc-128.138.138.145.colorado.edu0
128.138.138.146cu-arce-rc-128.138.138.146.colorado.edu0
128.138.138.147cu-arce-rc-128.138.138.147.colorado.edu0
128.138.138.148cu-arce-rc-128.138.138.148.colorado.edu0
128.138.138.149cu-arce-rc-128.138.138.149.colorado.edu0
128.138.138.150cu-arce-rc-128.138.138.150.colorado.edu0
128.138.138.151cu-arce-rc-128.138.138.151.colorado.edu0
128.138.138.152cu-arce-rc-128.138.138.152.colorado.edu0
128.138.138.153cu-arce-rc-128.138.138.153.colorado.edu0
128.138.138.154cu-arce-rc-128.138.138.154.colorado.edu0
128.138.138.155cu-arce-rc-128.138.138.155.colorado.edu0
128.138.138.156cu-arce-rc-128.138.138.156.colorado.edu0
128.138.138.157cu-arce-rc-128.138.138.157.colorado.edu0
128.138.138.158cu-arce-rc-128.138.138.158.colorado.edu0
128.138.138.159—0
128.138.138.160—0
128.138.138.161itso-pentest-gw.colorado.edu0
128.138.138.162—0
128.138.138.163—0
128.138.138.164—0
128.138.138.165—0
128.138.138.166—0
128.138.138.167—0
128.138.138.168—0
128.138.138.169—0
128.138.138.170—0
128.138.138.171—0
128.138.138.172—0
128.138.138.173—0
128.138.138.174—0
128.138.138.175—0
128.138.138.176—0
128.138.138.177—0
128.138.138.178—0
128.138.138.179—0
128.138.138.180—0
128.138.138.181—0
128.138.138.182—0
128.138.138.183—0
128.138.138.184—0
128.138.138.185—0
128.138.138.186—0
128.138.138.187—0
128.138.138.188—0
128.138.138.189—0
128.138.138.190—0
128.138.138.191—0
128.138.138.192—0
128.138.138.193litr-gw-rl2misc.colorado.edu0
128.138.138.194—0
128.138.138.195—0
128.138.138.196—0
128.138.138.197—0
128.138.138.198moussaka.colorado.edu0
128.138.138.199ssifw.colorado.edu0
128.138.138.200sundog.colorado.edu0
128.138.138.201rl2138-201.colorado.edu0
128.138.138.202rl2-138-202.colorado.edu0
128.138.138.203career138-203.colorado.edu0
128.138.138.204rl2-138-204.colorado.edu0
128.138.138.205rl2-138-205.colorado.edu0
128.138.138.206res-rl2-rm104-xerox.colorado.edu0
128.138.138.207—0
128.138.138.208—0
128.138.138.209rl2138-209.colorado.edu0
128.138.138.210—0
128.138.138.211—0
128.138.138.212—0
128.138.138.213—0
128.138.138.214—0
128.138.138.215schubertprinter.colorado.edu0
128.138.138.216—0
128.138.138.217—0
128.138.138.218—0
128.138.138.219rl2-138-219-dhcp.colorado.edu0
128.138.138.220rl2-138-220-dhcp.colorado.edu0
128.138.138.221rl2-138-221-dhcp.colorado.edu0
128.138.138.222rl2-138-222-dhcp.colorado.edu0
128.138.138.223rl2-138-223-dhcp.colorado.edu0
128.138.138.224rl2-138-224-dhcp.colorado.edu0
128.138.138.225rl2-138-225-dhcp.colorado.edu0
128.138.138.226rl2-138-226-dhcp.colorado.edu0
128.138.138.227rl2-138-227-dhcp.colorado.edu0
128.138.138.228rl2-138-228-dhcp.colorado.edu0
128.138.138.229rl2-138-229-dhcp.colorado.edu0
128.138.138.230rl2-138-230-dhcp.colorado.edu0
128.138.138.231rl2-138-231-dhcp.colorado.edu0
128.138.138.232rl2-138-232-dhcp.colorado.edu0
128.138.138.233rl2-138-233-dhcp.colorado.edu0
128.138.138.234rl2-138-234-dhcp.colorado.edu0
128.138.138.235rl2-138-235-dhcp.colorado.edu0
128.138.138.236rl2-138-236-dhcp.colorado.edu0
128.138.138.237rl2-138-237-dhcp.colorado.edu0
128.138.138.238rl2-138-238-dhcp.colorado.edu0
128.138.138.239rl2-138-239-dhcp.colorado.edu0
128.138.138.240rl2-138-240-dhcp.colorado.edu0
128.138.138.241rl2-138-241-dhcp.colorado.edu0
128.138.138.242rl2-138-242-dhcp.colorado.edu0
128.138.138.243rl2-138-243-dhcp.colorado.edu0
128.138.138.244rl2-138-244-dhcp.colorado.edu0
128.138.138.245rl2-138-245-dhcp.colorado.edu0
128.138.138.246rl2-138-246-dhcp.colorado.edu0
128.138.138.247rl2-138-247-dhcp.colorado.edu0
128.138.138.248rl2-138-248-dhcp.colorado.edu0
128.138.138.249rl2-138-249-dhcp.colorado.edu0
128.138.138.250rl2-138-250-dhcp.colorado.edu0
128.138.138.251rl2-138-251-dhcp.colorado.edu0
128.138.138.252rl2-138-252-dhcp.colorado.edu0
128.138.138.253rl2-138-253-dhcp.colorado.edu0
128.138.138.254rl2-138-254-dhcp.colorado.edu0
128.138.138.255—0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 128.138.138.121
traceroute to 128.138.138.121 (128.138.138.121): 64 hops max, 52 byte packets
1 [AS63023] 69.50.92.1 0.123 ms
2 *
3 [] 206.53.175.22 0.602 ms
4 [AS104] 198.59.55.9 1.362 ms
5 [AS104] 128.138.81.194 2.889 ms
6 [AS104] 128.138.81.249 2.653 ms
7 [AS104] 128.138.138.121 3.755 ms
Measurement taken from  IPinfo ProbeNet in Denver, US
On