AS45133 Singapore Polytechnic

Singapore-Polytechnic-AS-AP - Singapore Polytechnic · registered in Singapore

IPv4 addresses65,53611 prefixes · 0.002% of announced IPv4

Rank in Singapore#21largest network in SG by IPv4 space, of 443 · 0.77% of SG

Rank worldwide#2,898of 79,396 networks with IPv4

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

CountrySingapore457 ASNs registered there

Open AS45133 in ASN lookup Look up an IP in this network (164.78.0.1) All networks in Singapore

IPv4 prefixes

All 11 prefixes, in address order.

164.78.0.0/17
164.78.128.0/18
164.78.192.0/19
164.78.224.0/20
164.78.240.0/21
164.78.248.0/24
164.78.249.0/24
164.78.250.0/23
164.78.252.0/24
164.78.253.0/24
164.78.254.0/23

IPv6 prefixes

All 1 prefix.

2403:e900::/32

Similar-sized networks in Singapore

ASNNameIPv4 addresses

AS931#18 HYONIX - Hyonix68,096

AS141995#19 CAPL-AS-AP - Contabo Asia Private Limited66,559

AS23856#20 SPTEL-AS-AP - SPTEL PTE. LTD.66,048

AS9649#22 MOPH-TH-AP - Information Technology Office65,536

AS9877#23 NGEEANN-POLY-AS-AP - Ngee Ann Polytechnic Computer Center65,536

AS7472#24 NUS-AS-AP - NUS Information Technology65,024

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