AS23855 Singapore Advanced Research and Education Network

SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network · registered in Singapore

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Singapore#268largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#48,256of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountrySingapore457 ASNs registered there

Open AS23855 in ASN lookup Look up an IP in this network (203.30.38.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

203.30.38.0/23

IPv6 prefixes

All 1 prefix.

2001:df0:21a::/48

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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