United Statesarin
1988-05-26
2025-09-29
15
2
262,656
16,777,216
| 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 |
|---|---|---|---|---|---|---|
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2, US |
|
9,216 | 4,294,967,296 | IPv4  |
IPv6 |
| AS14537 | CL-1379-14537 - Continent 8 LLC, US |
|
66,048 | 12,884,901,888 | IPv4 |
IPv6 |
| AS53828 | NITEL - NETWORK INNOVATIONS, LLC, US |
|
132,096 | 4,294,967,296 | IPv4 |
IPv6 |
| AS293 | ESNET, US |
|
140,288 | 4,295,163,904 | IPv4 |
IPv6 |
| AS2734 | CORESITE, US |
|
48,896 | 7,248,347,136 | IPv4 |
IPv6 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC, US |
|
28,948,352 | 81,626,857,472 | IPv4 |
IPv6 |
| AS6939 | HURRICANE - Hurricane Electric LLC, US |
|
580,864 | 282,631,665,680,384 | IPv4 |
IPv6 |
| AS11164 | INTERNET2-I2PX - Internet2, US |
|
2,048 | 17,170,432 | IPv4 |
IPv6 |
| AS153 | CTNOSC-ASN-153 - Headquarters, USAISC, US |
|
256 | 16,842,752 |  |
IPv6 |
| AS1299 | TWELVE99 - Arelion Sweden AB, SE |
|
395,008 | 77,326,843,904 | IPv4 |
IPv6 |
| AS2152 | CENIC-2152 - CENIC, US |
|
2,013,696 | 4,294,967,296 | IPv4 |
|
| AS2153 | CENIC-2153 - CENIC, US |
|
4,352 | 16,842,752 | IPv4 |
IPv6 |
| AS | Description | Country/Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
|---|---|---|---|---|---|---|
| AS11956 | NOAA-XWAVE - National Oceanic and Atmospheric Administration, US |
|
0 | 0 | IPv4 |
IPv6 |
| AS12145 | COLORADOSTATEUNIV - Colorado State University, US |
|
81,920 | 0 | IPv4 |
|
| AS15295 | UNC-1388600-ASN - University of Northern Colorado, US |
|
65,792 | 0 | IPv4 |
|
| AS16519 | CUDENVER - University of Colorado Denver, US |
|
131,072 | 16,777,216 | IPv4 |
IPv6 |
| AS399193 | NAVAJO-TECHNICAL-UNIVERSITY - Navajotech, US |
|
1,024 | 0 | IPv4 |
|
| AS2902 | WN-WY-AS - University of Wyoming, US |
|
82,432 | 0 | IPv4 |
|
| AS14977 | STATE-OF-WYOMING-ASN - State of Wyoming Department A&I, US |
|
595,200 | 16,777,216 | IPv4 |
IPv6 |
| AS36081 | STATE-OF-COLORADO-MNT-NETWORK - State of Colorado General Government Computer, US |
|
131,584 | 0 | IPv4 |
|
| AS62671 | UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastructure, US |
|
1,024 | 0 | IPv4 |
|
| AS19281 | QUAD9-AS-1 - Quad9, US |
|
1,280 | 65,536 | |
IPv6 |
| AS65 | AF-RASN-65 - Air Force Systems Networking, US |
|
512 | 0 | IPv4 |
|
| AS194 | NCAR-AS - University Corporation for Atmospheric Research, US |
|
66,048 | 16,777,216 | IPv4 |
IPv6 |
| AS26661 | JCPS-ASN - Jeffco Public Schools, US |
|
2,048 | 0 | IPv4 |
|
| AS39990 | BCG - Boulder County Government, US |
|
512 | 0 | IPv4 |
|
| AS36691 | CSUP-AS - Colorado State University, US |
|
65,536 | 0 | IPv4 |
|
| AS36704 | CSM-AS - Colorado School of Mines, US |
|
65,792 | 0 | IPv4 |
|
| AS393869 | CMC - COLORADO MOUNTAIN COLLEGE, US |
|
8,192 | 16,777,216 | IPv4 |
IPv6 |
| AS396212 | AIMS-COMMUNITY-COLLEGE - Aims Community College, US |
|
256 | 0 | IPv4 |
|
| AS104 | COLORADO-AS - University of Colorado at Boulder, US |
|
91,136 | 4,295,032,832 | IPv4 |
IPv6 |
| AS11686 | ZAYO-ENA-11686 - Zayo Bandwidth, US |
|
735,232 | 4,311,744,512 | IPv4 |
IPv6 |
| AS17207 | COLOR-COLL - Colorado College, US |
|
3,584 | 0 | IPv4 |
|
| AS30136 | AD12 - Adams 12, US |
|
8,704 | 0 | IPv4 |
|
| AS396425 | UCCS-UNIVERSITY-OF-COLORADO-COLORADO-SPRINGS - University of Colorado, Colorado Springs, US |
|
65,536 | 0 | IPv4 |
|
| Country/Region | IX | IPv4 | IPv6 | Port Speed | Updated |
|---|---|---|---|---|---|
| |
Any2Denver - CoreSite - Any2Denver | 206.51.46.23 | 2605:6c00:303:303::23 | 100 Gbps | 2024-11-14 20:19:07 |
| |
IX-Denver - Interconnection eXchange Denver | 206.53.175.22 | 2001:504:58::22 | 100 Gbps | 2024-11-14 20:19:07 |
| 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: adler@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN OrgNOCHandle: ZN10-ARIN OrgNOCName: National Center for Atmospheric Research OrgNOCPhone: +1-307-996-4300 OrgNOCEmail: ne@ucar.edu OrgNOCRef: https://rdap.arin.net/registry/entity/ZN10-ARIN OrgAbuseHandle: ABUSE18-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-307-996-4300 OrgAbuseEmail: abuse@ucar.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE18-ARIN OrgTechHandle: HERNA1265-ARIN OrgTechName: Hernandez, John OrgTechPhone: +1-303-497-1280 OrgTechEmail: jph@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN