AS Number
AS14041
AS Name
AS14041
Org Name
University Corporation for Atmospheric Research
Registry

arin

RegDate

1988-05-26

Updated

2025-09-29

AS14041 Looking Glass
IPv4Prefixes

15

IPv6Prefixes

2

IPv4 NUMs

262,656

IPv6 NUMs(/64)

16,777,216

262,656 IPv4 Addresses
CIDR Description IP Num
129.19.0.0/24 Colorado State University 256
129.19.0.0/16 Colorado State University 65536
129.19.92.0/23 The Auraria Higher Education Center 512
129.19.148.0/24 NEON, Inc. 256
129.19.148.0/23 NEON, Inc. 512
129.19.149.0/24 NEON, Inc. 256
129.19.153.0/24 WICHE 256
129.19.165.0/24 National Center for Atmospheric Research 256
130.253.0.0/16 University of Denver 65536
147.153.0.0/24 Metropolitan State University of Denver 256
147.153.0.0/16 Metropolitan State University of Denver 65536
161.98.0.0/24 City of Boulder 256
161.98.0.0/16 City of Boulder 65536
192.43.217.0/24 National Center for Atmospheric Research 256
198.59.2.0/24 Auraria Higher Education Center 256
CIDR Description IP NUMs(prefix /64)
2001:468:500::/48 National Center for Atmospheric Research 65536
2001:468:500::/40 University Corporation for Atmospheric Research 16777216
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS293 ESNET, US United States 140,288 4,295,163,904 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395,008 77,326,843,904 IPv6 IPv6
AS11164 INTERNET2-I2PX - Internet2, US United States 2,048 17,170,432 IPv6 IPv6
AS153 CTNOSC-ASN-153 - Headquarters, USAISC, US United States 256 16,842,752 IPv6 IPv6
AS2153 CENIC-2153 - CENIC, US United States 4,352 16,842,752 IPv6 IPv6
AS2734 CORESITE, US United States 48,896 7,248,347,136 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,947,840 81,626,857,472 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,912 282,627,370,713,088 IPv6 IPv6
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 9,216 4,294,967,296 IPv6 IPv6
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132,096 4,294,967,296 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS194 NCAR-AS - University Corporation for Atmospheric Research, US United States 66,048 16,777,216 IPv6 IPv6
AS11956 NOAA-XWAVE - National Oceanic and Atmospheric Administration, US United States 0 0 IPv6 IPv6
AS14977 STATE-OF-WYOMING-ASN - State of Wyoming Department A&I, US United States 595,200 16,777,216 IPv6 IPv6
AS393869 CMC - COLORADO MOUNTAIN COLLEGE, US United States 8,192 16,777,216 IPv6 IPv6
AS19281 QUAD9-AS-1 - Quad9, US United States 1,280 65,536 IPv6 IPv6
AS104 COLORADO-AS - University of Colorado at Boulder, US United States 91,136 4,295,032,832 IPv6 IPv6
AS11686 ZAYO-ENA-11686 - Zayo Bandwidth, US United States 735,232 4,311,744,512 IPv6 IPv6
AS16519 CUDENVER - University of Colorado Denver, US United States 131,072 16,777,216 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States IX-Denver - Interconnection eXchange Denver 206.53.175.22 2001:504:58::22 100 Gbps 2024-11-14 20:19:07
United States Any2Denver - CoreSite - Any2Denver 206.51.46.23 2605:6c00:303:303::23 100 Gbps 2024-11-14 20:19:07

Private Peering Facilities

Country/Region Name City Website Updated
CoreSite - Denver (DE1) Denver http://www.coresite.com 2016-03-14 21:05:13
Level(3) Denver Denver http://www.lumen.com/ 2016-03-14 21:05:13
910Telecom Denver Denver http://910telecom.com/Carriers 2016-10-17 16:13:10
ASNumber:       14041
ASName:         AS14041
ASHandle:       AS14041
RegDate:        1999-10-07
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/14041


OrgName:        University Corporation for Atmospheric Research
OrgId:          UCAR-1
Address:        1850 Table Mesa Drive
City:           Boulder
StateProv:      CO
PostalCode:     80305
Country:        US
RegDate:        1988-05-26
Updated:        2025-09-29
Ref:            https://rdap.arin.net/registry/entity/UCAR-1


OrgTechHandle: ADLER49-ARIN
OrgTechName:   Adler, Matt 
OrgTechPhone:  +1-303-497-1279 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ADLER49-ARIN

OrgNOCHandle: ZN10-ARIN
OrgNOCName:   National Center for Atmospheric Research
OrgNOCPhone:  +1-307-996-4300 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZN10-ARIN

OrgAbuseHandle: ABUSE18-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-307-996-4300 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE18-ARIN

OrgTechHandle: HERNA1265-ARIN
OrgTechName:   Hernandez, John 
OrgTechPhone:  +1-303-497-1280 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/HERNA1265-ARIN