AS18420 — NCU-TW - National Central University

AS18420 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

NCU-TW is the autonomous system for National Central University.

What it's used for

• The space carries university infrastructure, indicated by the netname T-NCU.EDU.TW-NET and the registrant NCU-TW.
• The AS announces 65536 IPv4 addresses within a single /16 prefix (140.115.0.0/16) and maintains 2 observed neighbours, a ratio consistent with an institutional access network rather than a transit provider.

Notable

• The RDAP registrant is listed as unknown for the prefix, while the registry holder is explicitly NCU-TW - National Central University.
• The address inventory consists of a single contiguous /16 block with no IPv6 prefixes announced.

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

Announced prefixes

• 140.115.0.0/16

Upstream networks

• AS18185 4F, No.114, Sec.1, Chung-Shiao W. Road
• AS18423 RAID Networks Co., Ltd.
• AS7539 National Center for High-performance Computing

Adjacent networks

• AS18185 4F, No.114, Sec.1, Chung-Shiao W. Road
• AS18423 RAID Networks Co., Ltd.
• AS7539 National Center for High-performance Computing

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-63529-AS-IMPORT-AS9505, AS-NCTU, AS-RETN-ACTUAL-V4, AS-SEEDNET, AS-TWIG, AS1659:AS-TANET, AS58453:AS-ASIAASCUST, AS58453:AS-ASIAASCUST, AS58453:AS-ASIATEST, AS58453:AS-ASIATEST2, AS63529:AS-63529-AS-IMPORT-AS9505, AS7539:AS-TWAREN.