AS23728 Republic Polytechnic. Multihoming AS Singapore

REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore · registered in Singapore

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Singapore#264largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#48,020of 79,396 networks with IPv4

IPv62 x /481 prefixes

CountrySingapore457 ASNs registered there

Open AS23728 in ASN lookup Look up an IP in this network (202.21.158.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

202.21.158.0/23

IPv6 prefixes

All 1 prefix.

2403:4700::/47

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AS45501#266 YAHOO-CORP-SG-AS-AP - Yahoo Corp Network512

AS209792#267 DJVG Daan van Gorkum512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources