AS104 - COLORADO-AS - University of Colorado at Boulder, US

United States
AS Number
AS104
AS Name
COLORADO-AS
Org Name
University of Colorado at Boulder
Country / Region
United States
Registry

arin

RegDate

1987-04-09

Updated

2019-06-25

AS104 Looking Glass
IPv4Prefixes

21

IPv6Prefixes

4

IPv4 NUMs

91,136

IPv6 NUMs(/64)

4,303,421,440

CIDR Description IP Num
128.138.0.0/16
IRR Valid
University of Colorado 65536
129.19.192.0/18
IRR Valid
University of Colorado Boulder 16384
129.19.240.0/20
IRR Parent Valid
University of Colorado Boulder 4096
146.5.20.0/22
IRR InValid
National Solar Observatory 1024
192.12.238.0/24
IRR Valid
University of Colorado 256
192.12.240.0/24
IRR Valid
University of Colorado 256
192.12.241.0/24
IRR Valid
University of Colorado 256
192.12.242.0/24
IRR Valid
University of Colorado 256
192.12.244.0/24
IRR Valid
University of Colorado 256
192.12.245.0/24
IRR Valid
University of Colorado 256
198.11.16.0/20
IRR Valid
University of Colorado Boulder 4096
198.59.7.0/24
IRR Valid
University of Colorado Boulder 256
198.59.51.0/24
IRR Valid
University of Colorado Boulder 256
198.59.52.0/24
IRR Valid
University of Colorado Boulder 256
198.59.54.0/24
IRR Valid
University of Colorado Boulder 256
198.59.55.0/24
IRR Valid
University of Colorado Boulder 256
198.59.70.0/24
IRR Valid
University of Colorado Boulder 256
198.59.81.0/24
IRR Valid
University of Colorado Boulder 256
198.59.82.0/24
IRR Valid
University of Colorado Boulder 256
198.59.83.0/24
IRR Valid
University of Colorado Boulder 256
204.228.80.0/24
IRR Valid
University of Colorado Boulder 256
CIDR Description IP NUMs(prefix /64)
2001:468:501::/48
IRR InValid
University Corporation for Atmospheric Research 65536
2401:eee0:1c0::/42
FM-BD FM Networks 4194304
2401:eee0:200::/42
FM-BD FM Networks 4194304
2620:18f::/32
IRR Valid
University of Colorado Boulder 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4 IPv6 IPv6
AS14041 FRGP - University Corporation for Atmospheric Research, US United States 197,120 16,777,216 IPv4 IPv4 IPv6 IPv6
AS149433 FM-AS-AP - FM Networks, BD Bangladesh 512 4,294,967,296 IPv6 IPv6 
ASNumber:       104
ASName:         COLORADO-AS
ASHandle:       AS104
RegDate:        1987-04-09
Updated:        2019-06-25
Ref:            https://rdap.arin.net/registry/autnum/104

OrgID:          UCAB-2
OrgName:        University of Colorado at Boulder
CanAllocate:    
Street:         Campus Box 455
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80309-0455
RegDate:        1987-04-09
Updated:        2019-06-25
OrgAdminHandle  CUBOU-ARIN
OrgTechHandle   CUBOU-ARIN
OrgAbuseHandle  ABUSE306-ARIN
Source:         ARIN

OrgAdminHandleHandle:  CUBOU-ARIN
OrgAdminHandleName:    CUBoulder, 
OrgAdminHandlePhone:   +1-303-735-4357
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/CUBOU-ARIN

OrgTechHandleHandle:  CUBOU-ARIN
OrgTechHandleName:    CUBoulder, 
OrgTechHandlePhone:   +1-303-735-4357
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/CUBOU-ARIN

OrgAbuseHandleHandle:  ABUSE306-ARIN
OrgAbuseHandleName:    Abuse, 
OrgAbuseHandlePhone:   +1-303-735-4357
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/ABUSE306-ARIN

RAbuseHandleHandle:  ABUSE306-ARIN
RAbuseHandleName:    Abuse, 
RAbuseHandlePhone:   +1-303-735-4357
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/ABUSE306-ARIN

RTechHandleHandle:  CUBOU-ARIN
RTechHandleName:    CUBoulder, 
RTechHandlePhone:   +1-303-735-4357
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/CUBOU-ARIN