AS139225 Whatbox Inc.

WHATBOX-AS-AP - Whatbox Inc. · registered in Singapore

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Singapore#357largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#61,688of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountrySingapore457 ASNs registered there

Open AS139225 in ASN lookup Look up an IP in this network (103.140.3.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

103.140.3.0/24

IPv6 prefixes

All 1 prefix.

2001:df0:a280::/48

Other ASNs named Whatbox Inc.

1 other network uses the same organisation name; together with AS139225 they announce 1,024 IPv4 addresses.

ASNNameIPv4 addresses

AS394151AS-WHATBOX-CA - Whatbox Inc. CA768

Similar-sized networks in Singapore

ASNNameIPv4 addresses

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AS150003#359 RETNPTELTD-AS-AP - RETN PTE. LTD.256

AS150183#360 INFINEON-AS-AP - Infineon Technologies Asia Pacific 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