AS18047 — NTHU-TW National Tsing-Hua University

AS18047 announces 2 IPv4 prefixes covering 73,728 addresses and 0 IPv6 prefixes.

About this network

The AS handle NTHU-TW is held by National Tsing Hua University.

What it's used for

• The address space carries university infrastructure, evidenced by reverse DNS entries like 1680.nd.nthu.edu.tw and netnames T-NTHU.EDU.TW-NET and TANET-NET.
• The AS announces 73728 IPv4 addresses across 2 prefixes while maintaining only 3 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.

Notable

• Registrants include unknown for the primary block and IRT-TANET-TW for the secondary block, with netnames reflecting both the university and the Taiwan Academic Network (TANET).
• The inventory consists of two distinct IPv4 prefixes: 140.114.0.0/16 and 120.127.160.0/19, with no IPv6 prefixes currently announced.

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

Announced prefixes

• 120.127.160.0/19
• 140.114.0.0/16

Upstream networks

• AS9505 Taiwan Internet Gateway
• AS7539 National Center for High-performance Computing
• AS9264 Academia Sinica

Adjacent networks

• AS9505 Taiwan Internet Gateway
• AS7539 National Center for High-performance Computing
• AS9264 Academia Sinica