128.138.0.0/16

AS104 University of Colorado at Boulder

128.138.0.0/16 - COLORADO

ID

COLORADO

Description

University of Colorado

ASN

AS104 University of Colorado at Boulder

Country

United States

Registry

arin

Whois Details

NetHandle:      NET-128-138-0-0-1
OrgID:          UNIVER-24
Parent:         NET-128-0-0-0-0
NetName:        COLORADO
NetRange:       128.138.0.0 - 128.138.255.255
NetType:        assignment
OriginAS:       104
RegDate:        1986-07-14
Updated:        2019-06-25
TechHandle:     CUBOU-ARIN
AbuseHandle:    ABUSE306-ARIN
Source:         ARIN


OrgID:          UNIVER-24
OrgName:        University of Colorado
CanAllocate:    
Street:         Office of Information Technology
Street:         3645 Marine Street
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80309-0455
RegDate:        1986-03-11
Updated:        2019-06-25
OrgTechHandle:  CUBOU-ARIN
OrgAdminHandle: CUBOU-ARIN
OrgAbuseHandle: ABUSE306-ARIN
Source:         ARIN


POCHandle:      CUBOU-ARIN
IsRole:         Y
LastName:       CUBoulder
FirstName:      
Street:         3645 Marine Street
Street:         Campus Box 455
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80309-0445
RegDate:        2011-11-11
Updated:        2019-06-25
OfficePhone:    +1-303-735-4357
Mailbox:        arinadmin@colorado.edu
Source:         ARIN


POCHandle:      ABUSE306-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         Information Technology Services
Street:         3645 Marine Street
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80309-0455
RegDate:        2003-05-27
Updated:        2019-07-23
OfficePhone:    +1-303-735-4357
Mailbox:        abuse@colorado.edu
Source:         ARIN

Hosted Domain Names

There are 59 domain names hosted across 41 IP addresses on this ASN.

IP Address Domain Domains on this IP
128.138.101.141 cubookstore.info 8
128.138.29.28 cuconferenceservices.com 5
128.138.135.43 nsidc.org 4
128.138.136.14 impaactproject.org 2
128.138.140.2 fops2015.org 2
128.138.136.220 insidethegreenhouse.org 2
128.138.93.14 openmicrobiome.com 2
128.138.136.36 reanalyses.org 1
128.138.93.53 coreassociations.org 1
128.138.136.89 pacesproject.org 1
128.138.129.98 colorado.edu 1
128.138.135.152 glims.net 1
128.138.183.69 eithrive.org 1
128.138.184.84 nso.edu 1
128.138.87.27 pitlakesdatabase.org 1
128.138.92.8 learningassistantalliance.org 1
128.138.128.245 coloradanmagazine.org 1
128.138.64.73 brandonroemer.com 1
128.138.128.86 cuherd.com 1
128.138.238.171 dsstmodel.org 1

IP address subranges within this IP range

Details

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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