AS45561 21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong

M800-HK-AP - 21/F, Tower 1 Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Hong Kong · registered in Hong Kong

IPv4 addresses1,2804 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#378largest network in HK by IPv4 space, of 735 · <0.01% of HK

Rank worldwide#28,218of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryHong Kong779 ASNs registered there

Open AS45561 in ASN lookup Look up an IP in this network (103.11.72.1) All networks in Hong Kong

IPv4 prefixes

All 4 prefixes, in address order.

103.11.72.0/23
103.251.199.0/24
202.94.87.0/24
203.170.49.0/24

IPv6 prefixes

All 1 prefix.

2001:df4:7000::/48

Similar-sized networks in Hong Kong

ASNNameIPv4 addresses

AS211759#375 Miku_Network Miku Network Technology Limited1,280

AS9515#376 COMPUTE-AS-AP - Compute Global Limited1,280

AS214172#377 DePowered DePowered Limited1,280

AS136758#379 HONGKONG10-AS-AP - HONGKONG CENTURY-ONE LIMITED1,280

AS4623#380 CHEVALIER-AS01 - Chevalier (Internet) Limited autonomous system # 11,280

AS4655#381 UNSPECIFIED - Sing Tao Electronic Daily1,280

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