abuse@ucar.edu
adler@ucar.edu
dns.admin@colostate.edu
jph@ucar.edu
mike.willard@colostate.edu
2026-03-10
2026-03-10
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS6461 | ZAYO-6461 - Zayo Bandwidth, US | 1747200 | 51808436224 | |
| AS14041 | FRGP - University Corporation for Atmospheric Research, US | 197120 | 16777216 |
NetRange: 129.19.0.0 - 129.19.255.255 CIDR: 129.19.0.0/16 NetName: WESTNET NetHandle: NET-129-19-0-0-1 Parent: NET129 (NET-129-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Colorado State University (CSU-2-Z) RegDate: 1987-07-08 Updated: 2023-07-29 Ref: https://rdap.arin.net/registry/ip/129.19.0.0 OrgName: Colorado State University OrgId: CSU-2-Z Address: Academic Computing and Networking Services Address: Colorado State University Address: 1018 Campus Delivery City: Fort Collins StateProv: CO PostalCode: 80523 Country: US RegDate: 2023-01-16 Updated: 2025-09-29 Ref: https://rdap.arin.net/registry/entity/CSU-2-Z OrgTechHandle: DNSAD191-ARIN OrgTechName: DNS Administrator OrgTechPhone: +1-970-491-5600 OrgTechEmail: dns.admin@colostate.edu OrgTechRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN OrgDNSHandle: MPW-ARIN OrgDNSName: Willard, Michael Patrick OrgDNSPhone: +1-970-491-4651 OrgDNSEmail: mike.willard@colostate.edu OrgDNSRef: https://rdap.arin.net/registry/entity/MPW-ARIN OrgRoutingHandle: HERNA1265-ARIN OrgRoutingName: Hernandez, John OrgRoutingPhone: +1-303-497-1280 OrgRoutingEmail: jph@ucar.edu OrgRoutingRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN OrgAbuseHandle: DNSAD191-ARIN OrgAbuseName: DNS Administrator OrgAbusePhone: +1-970-491-5600 OrgAbuseEmail: dns.admin@colostate.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN OrgDNSHandle: DNSAD191-ARIN OrgDNSName: DNS Administrator OrgDNSPhone: +1-970-491-5600 OrgDNSEmail: dns.admin@colostate.edu OrgDNSRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN OrgRoutingHandle: ADLER49-ARIN OrgRoutingName: Adler, Matt OrgRoutingPhone: +1-303-497-1279 OrgRoutingEmail: adler@ucar.edu OrgRoutingRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN OrgTechHandle: MPW-ARIN OrgTechName: Willard, Michael Patrick OrgTechPhone: +1-970-491-4651 OrgTechEmail: mike.willard@colostate.edu OrgTechRef: https://rdap.arin.net/registry/entity/MPW-ARIN OrgDNSHandle: HERNA1265-ARIN OrgDNSName: Hernandez, John OrgDNSPhone: +1-303-497-1280 OrgDNSEmail: jph@ucar.edu OrgDNSRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN OrgDNSHandle: ADLER49-ARIN OrgDNSName: Adler, Matt OrgDNSPhone: +1-303-497-1279 OrgDNSEmail: adler@ucar.edu OrgDNSRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN NetRange: 129.19.128.0 - 129.19.191.255 CIDR: 129.19.128.0/18 NetName: FRGP-PARTICIPANT-ASSIGNMENTS-01 NetHandle: NET-129-19-128-0-1 Parent: WESTNET (NET-129-19-0-0-1) NetType: Reallocated OriginAS: Organization: National Center for Atmospheric Research (NCAR) RegDate: 2022-11-16 Updated: 2022-11-16 Comment: Creating new allocation. Ref: https://rdap.arin.net/registry/ip/129.19.128.0 OrgName: National Center for Atmospheric Research OrgId: NCAR Address: 3090 Center Green Drive City: Boulder StateProv: CO PostalCode: 80301 Country: US RegDate: 1986-03-24 Updated: 2026-02-19 Ref: https://rdap.arin.net/registry/entity/NCAR OrgTechHandle: HERNA1265-ARIN OrgTechName: Hernandez, John OrgTechPhone: +1-303-497-1280 OrgTechEmail: jph@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN OrgAbuseHandle: ABUSE18-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-307-996-4300 OrgAbuseEmail: abuse@ucar.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE18-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 OrgTechHandle: ADLER49-ARIN OrgTechName: Adler, Matt OrgTechPhone: +1-303-497-1279 OrgTechEmail: adler@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN NetRange: 129.19.146.0 - 129.19.146.255 CIDR: 129.19.146.0/24 NetName: R10-RMBL NetHandle: NET-129-19-146-0-1 Parent: FRGP-PARTICIPANT-ASSIGNMENTS-01 (NET-129-19-128-0-1) NetType: Reassigned OriginAS: Customer: Rocky Mountain Biological Laboratory (RMBL) (C11538039) RegDate: 2026-03-10 Updated: 2026-03-10 Ref: https://rdap.arin.net/registry/ip/129.19.146.0 CustName: Rocky Mountain Biological Laboratory (RMBL) Address: 8000 County Road 317 City: Crested Butte StateProv: CO PostalCode: 81224 Country: US RegDate: 2026-03-10 Updated: 2026-03-10 Ref: https://rdap.arin.net/registry/entity/C11538039 OrgTechHandle: HERNA1265-ARIN OrgTechName: Hernandez, John OrgTechPhone: +1-303-497-1280 OrgTechEmail: jph@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN OrgAbuseHandle: ABUSE18-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-307-996-4300 OrgAbuseEmail: abuse@ucar.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE18-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 OrgTechHandle: ADLER49-ARIN OrgTechName: Adler, Matt OrgTechPhone: +1-303-497-1279 OrgTechEmail: adler@ucar.edu OrgTechRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN