AS139617 ISEAS Yusof Ishak Institute

ISEAS-AS-AP - ISEAS Yusof Ishak Institute · registered in Singapore

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Singapore#414largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#70,950of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySingapore457 ASNs registered there

Open AS139617 in ASN lookup Look up an IP in this network (202.0.149.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

202.0.149.0/24

Similar-sized networks in Singapore

ASNNameIPv4 addresses

AS138626#411 ASAP-AS-AP - AVALOQ SOURCING ASIA PACIFIC (SINGAPORE) PTE. LTD.256

AS139291#412 INFGROUP-AS-AP - INFINITIUM HOLDINGS PTE. LTD.256

AS139349#413 DIEBOLDNIXDORF-AS-AP - Diebold Nixdorf Singapore PTE. LTD.256

AS139625#415 ZEN-AS-AP - Zenlayer (Singapore) PTE. LTD256

AS139746#416 FSPL-AS-AP - FlexTrade Systems Pte Ltd256

AS139895#417 AIRLIQUIDE-AS-AP - Air Liquide Industrial Services Pte Ltd256

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