AS137991 Lifeway Singapore Pte. Ltd.

LIFEWAY-AS-AP - Lifeway Singapore Pte. Ltd. · registered in Singapore

IPv4 addresses2,3044 prefixes · <0.001% of announced IPv4

Rank in Singapore#146largest network in SG by IPv4 space, of 443 · 0.03% of SG

Rank worldwide#20,599of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountrySingapore457 ASNs registered there

Open AS137991 in ASN lookup Look up an IP in this network (45.121.188.1) All networks in Singapore

IPv4 prefixes

All 4 prefixes, in address order.

45.121.188.0/24
103.119.148.0/22
203.1.22.0/23
203.10.100.0/23

IPv6 prefixes

All 1 prefix.

2403:4540::/32

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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