AS16509 · Prefix

16.163.123.0/24

Announced in the global routing table by AS16509 (AMAZON-02 - Amazon.com, Inc.), as part of 16.162.0.0/15. Allocation: Administered by ARIN. Per AWS’s official list: ap-east-1 (Hong Kong).

Reverse DNS naming one in every 8 addresses sampled

32 of 32 sampled addresses have reverse DNS, mostly named like datacenter / cloud servers.

ec2-16-163-123-1.ap-east-1.compute.amazonaws.comec2-16-163-123-9.ap-east-1.compute.amazonaws.comec2-16-163-123-17.ap-east-1.compute.amazonaws.com

IPs checked on IP Judge datacenter / proxy IPs listed; residential and mobile only counted

Datacenter IP · 1

Check an IP in this range

Sources: RIPEstat (routing and allocation data), IP Judge reverse-DNS sampling and lookups.