AS131217 8 Kallang Sector

INFINEON-SG - 8 Kallang Sector · registered in Singapore

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Singapore#354largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#61,559of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountrySingapore457 ASNs registered there

Open AS131217 in ASN lookup Look up an IP in this network (203.161.181.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

203.161.181.0/24

IPv6 prefixes

All 1 prefix.

2001:df1:6000::/48

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AS132398#355 SCEI-AS-AP - Science and Engineering Institutes256

AS132696#356 SGIX-SG-AS - SGIX Services256

AS139225#357 WHATBOX-AS-AP - Whatbox Inc.256

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