AS206434 — CHENG-CHIH-TSAI CHENG-CHIH TSAI

AS206434 announces 0 IPv4 prefixes covering 0 addresses and 2 IPv6 prefixes.

About this network

CHENG-CHIH-TSAI is held by Cheng-Chih Tsai.

What it's used for

• The space carries two IPv6 prefixes: 2400:3e20:4000::/36 and 2602:f7a7:20::/48.
• With 0 IPv4 addresses and 2 IPv6 prefixes announced against 1 observed neighbour, the inventory suggests a small-scale or individual network rather than a large transit or access provider.

Notable

• The registry holder is listed as CHENG-CHIH-TSAI, matching the AS handle.
• The address inventory consists solely of IPv6 space, with no IPv4 prefixes in inventory or announced.

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

Announced prefixes

• 2400:3e20:4000::/36
• 2602:f7a7:20::/48

Upstream networks

• AS48231 CRE Network, LLC

Adjacent networks

• AS48231 CRE Network, LLC

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CRENET-CUSTOMERS, AS-CRENET-CUSTOMERS, AS-HURRICANEV6.