AS18402 NATIONAL LIBRARY BOARD

NLB-AS-SG-AP - NATIONAL LIBRARY BOARD · registered in Singapore

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in Singapore#200largest network in SG by IPv4 space, of 443 · 0.01% of SG

Rank worldwide#35,726of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountrySingapore457 ASNs registered there

Open AS18402 in ASN lookup Look up an IP in this network (203.78.9.1) All networks in Singapore

IPv4 prefixes

All 3 prefixes, in address order.

203.78.9.0/24
203.78.12.0/24
203.78.14.0/23

IPv6 prefixes

All 1 prefix.

2001:df0:301::/48

Similar-sized networks in Singapore

ASNNameIPv4 addresses

AS154690#197 VAYNE-AS-AP - VAYNE NETWORK PTE. LTD.1,024

AS9989#198 EQUINIX-AP - Equinix Singapore Pte Ltd1,024

AS132132#199 REPUBLICTELECOM-SG - MyRepublic Ltd.1,024

AS56172#201 AGORACOMMS-AS-AP - Agora Communications Pte Ltd1,024

AS132708#202 VNG-AS-AP - VNG Singapore PTE. LTD.1,024

AS138552#203 RTBHOUSE-AS-AP - RTB HOUSE PTE. LTD.1,024

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