⌂ IP Address Info - 221.231.138.72

Tools:
Subnet:

221.231.138.0/24

Reverse DNS (PTR):

alpha.bithost.net.cn

Reverse DNS Zone:

231.221.in-addr.arpa

Authoritative NS:

ns.ptt.js.cn [218.2.135.2]
ns.jsinfo.net [221.228.255.2]

Names that resolve
to this address:
(0)

(none found)

Last crawled:

2025-12-16 11:41:54 +0000