AS23728 — REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore

AS23728 announces 1 IPv4 prefixes covering 512 addresses and 1 IPv6 prefixes.

About this network

REPUBLICPOLYTECHNIC-AS is operated by Republic Polytechnic.

What it's used for

• The address space carries institutional traffic for a Singaporean polytechnic, identified by the netname RPNET and registrant IRT-REPUBLICPOLYTECHNIC-SG.
• The AS announces 512 IPv4 addresses within a single /23 prefix and one IPv6 prefix, with only 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.

Notable

• The registrant IRT-REPUBLICPOLYTECHNIC-SG aligns directly with the AS holder, confirming the space belongs to the educational institution.
• The inventory consists of a single contiguous IPv4 block and one IPv6 prefix, typical of a corporate or academic estate with minimal external peering.

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

Announced prefixes

• 202.21.158.0/23
• 2403:4700::/47

Upstream networks

• AS139883 SPTEL PTE. LTD.
• AS3758 SingNet

Adjacent networks

• AS139883 SPTEL PTE. LTD.
• AS3758 SingNet

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-HURRICANEV6, AS-KDDCUSTOMER2, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SH-CUST, AS-SINGAREN-SG, AS-SINGNET, AS-TELSTRA-INTL-CUSTOMERS, AS-XO-B, AS134148:AS-LOCAL-INSTITUTION, AS139883:AS-SPTEL-CUST, AS23855:AS-LOCAL-INSTITUTION, AS23855:AS-NON-RNE, AS3491:AS-CUSTOMERS-AP, AS7473:AS-CUSTOMERS:AS3758.