AS18421 — TAISHINBANK-AS-T Taishin International Bank

AS18421 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

TAISHINBANK-AS-T is the autonomous system for Taishin International Bank.

What it's used for

• The address space carries the bank's internal corporate network, evidenced by the netname Taishinbank-tw and registrant IRT-TAISHINBANK-TW.
• The AS announces 512 IPv4 addresses within a single prefix (202.6.104.0/23) and observes 1 neighbour, a ratio consistent with a small, self-contained business network rather than a transit or access provider.

Notable

• The RDAP registrant IRT-TAISHINBANK-TW aligns directly with the AS holder name, confirming the space is owned and operated by the bank itself.
• The inventory consists of a single contiguous /23 block, indicating a finely subdivided internal estate typical of corporate site segmentation.

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

Announced prefixes

• 202.6.104.0/23

Upstream networks

• AS3462 Data Communication Business Group

Adjacent networks

• AS3462 Data Communication Business Group

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-ANC-CUSTOMER-PROXY-REGISTER, AS-HINET, AS-IIJ, AS-TFN-TRANSIT1, AS-TFN-TRANSIT1, AS-TRANSROUTE-SPEC, AS-TTN, AS-TTN, AS2497:AS-IIJ, AS3491:AS-CUSTOMERS-AP, AS3491:AS-CUSTOMERS-NA, AS58453:AS-ASIAASCUST, AS58453:AS-ASIAASCUST, AS58453:AS-ASIATEST, AS58453:AS-ASIATEST2, AS63529:AS-63529-AS-IMPORT-AS9505.