AS63981 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong

NTDKL-HK - 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong · registered in Hong Kong

IPv4 addresses12,28820 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#115largest network in HK by IPv4 space, of 735 · 0.06% of HK

Rank worldwide#8,099of 79,396 networks with IPv4

IPv62 x /32 (131,073 x /48)3 prefixes

CountryHong Kong779 ASNs registered there

Open AS63981 in ASN lookup Look up an IP in this network (38.71.22.1) All networks in Hong Kong

IPv4 prefixes

All 20 prefixes, in address order.

38.71.22.0/24
38.71.24.0/24
38.71.26.0/23
38.71.32.0/22
38.71.36.0/23
45.117.96.0/22
45.251.64.0/23
45.251.66.0/24
66.160.164.0/24
72.52.111.0/24
103.29.140.0/22
103.117.76.0/22
103.167.140.0/23
103.197.28.0/22
103.206.90.0/24
103.214.192.0/22
103.220.8.0/22
116.214.132.0/24
154.19.46.0/24
203.166.220.0/22

IPv6 prefixes

All 3 prefixes.

2001:550:5c09::/48
2405:a480::/32
2407:6bc0::/32

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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