AS17617 — NYP-AS-AP - Nanyang Polytechnic

AS17617 announces 4 IPv4 prefixes covering 2,816 addresses and 1 IPv6 prefixes.

About this network

NYP-AS-AP is operated by Nanyang Polytechnic.

What it's used for

• The address space carries institutional traffic for a Singaporean polytechnic, evidenced by netnames NYP-SG, NETBLK-NYPNET202, and SITNET all registered to Nanyang Polytechnic.
• The AS announces 2816 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, with only 4 observed neighbours, indicating a small, self-contained educational network rather than a transit provider.

Notable

• All registrants in the RDAP data align with the announcer, consistently listing Nanyang Polytechnic as the holder and administrator.
• The inventory consists of four distinct IPv4 blocks, including a /22 and a /24, alongside a single /32 IPv6 prefix, reflecting a modest internal corporate estate.

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

Announced prefixes

• 45.126.60.0/22
• 103.236.196.0/22
• 202.0.127.0/24
• 202.12.94.0/23
• 2401:2f00::/32

Upstream networks

• AS17547 M1 NET LTD
• AS3758 SingNet
• AS134148 SingAREN

Adjacent networks

• AS17547 M1 NET LTD
• AS3758 SingNet
• AS134148 SingAREN

Routing security

• RPKI: 0 valid, 0 invalid and 6 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-HURRICANEV6, AS-KDDCUSTOMER2, AS-M1NET-CUST, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-RETN-ACTUAL-V4, AS-SH-CUST, AS-SINGNET, AS-SKBROADBAND, AS-TELSTRA-INTL-CUSTOMERS, AS-TRANSROUTE-SPEC, AS-XO-B, AS134078:AS-CUSTOMERS, AS134148:AS-LOCAL-INSTITUTION, AS134148:AS-NON-RNE, AS139883:AS-SPTEL-CUST, AS23855:AS-LOCAL-INSTITUTION, AS23855:AS-NON-RNE, AS3491:AS-CUSTOMERS-AP, AS63529:AS-63529-AS-IMPORT-AS23764, AS7473:AS-CUSTOMERS:AS3758, AS7473:AS-CUSTOMERS:AS4750, AS7473:AS-CUSTOMERS:AS7552.