AS194 — UCAR-AS - University Corporation for Atmospheric Research

AS194 announces 4 IPv4 prefixes covering 66,304 addresses and 1 IPv6 prefixes.

About this network

An early allocation (NCAR-AS) serving the National Center for Atmospheric Research in Boulder, Colorado, a federally funded research center for the atmospheric and Earth sciences.

What it's used for

• Research and high-performance computing networking for atmospheric science.

Notable

• A federally funded research network, not a commercial host. The low AS number reflects an allocation from the internet's earliest years.

Interesting

• NCAR is operated by the University Corporation for Atmospheric Research (UCAR) and sponsored primarily by the US National Science Foundation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 128.117.0.0/16
• 129.19.156.0/24
• 192.43.244.0/24
• 192.52.106.0/24
• 2620:117:2000::/40

Upstream networks

• AS14041 University Corporation for Atmospheric Research

Adjacent networks

• AS14041 University Corporation for Atmospheric Research

Routing security

• RPKI: 6 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: 1 authorised providers.
• IRR: 100% of announcements registered; 12 route objects.
• Listed in as-sets: AS-CALREN2, AS-CALRENDC, AS-EXAMPLE-TEST, AS-FRGP.