AS18420
National Central University Unknown registered in Taiwan
1IPv4 prefixes
0IPv6 prefixes
100%RPKI-valid
#19,446AS Rank
326/327RIS visibility
#241Rank in Taiwan
2002-12-20Allocated
National Central University (AS18420) — Unknown, registered in Taiwan. announces 1 IPv4 prefixes + 0 IPv6 prefixes. Rank in Taiwan: #241. Allocated: 2002-12-20.
IPv4 1IPv6 0
Announced prefixes · 1
- v4 140.115.0.0/16 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 1 IPv4 · 0 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 1 |
| 2026-06-13 | 1 |