AS45139 Microsoft Corp

MICROSOFT-AS-AP - Microsoft Corp · registered in Singapore

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Singapore#265largest network in SG by IPv4 space, of 443 · <0.01% of SG

Rank worldwide#48,051of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountrySingapore457 ASNs registered there

Open AS45139 in ASN lookup Look up an IP in this network (167.220.226.1) All networks in Singapore

IPv4 prefixes

All 1 prefix, in address order.

167.220.226.0/23

IPv6 prefixes

All 2 prefixes.

2404:f801:8020::/48
2404:f801:802c::/48

Similar-sized networks in Singapore

ASNNameIPv4 addresses

AS135134#262 SOONKEATNEO-AS-AP - Soon Keat Neo512

AS136785#263 TTPL-AS-AP - TOFFS TECHNOLOGIES PTE LTD512

AS23728#264 REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore512

AS45501#266 YAHOO-CORP-SG-AS-AP - Yahoo Corp Network512

AS209792#267 DJVG Daan van Gorkum512

AS23855#268 SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network512

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