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Free tools · IP address lookup

IP address 172.81.105.239

172.81.105.239 is a public IPv4 address announced by AS140042 (IZEC-AS-AP Zhipinshang Hongkong Electron), registered in Hong Kong. See its threat-intelligence verdict, network block, reverse DNS name and reputation links in one place, free.

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Any IPv4 or IPv6 address. Private and reserved ranges are explained, but never sent to outside sources.

Address profile

172.81.105.239

IPv4 · Public address
Public

Ordinary routable internet space, allocated by a regional internet registry to a network operator. The reputation of an address like this is worth checking: it can belong to a hosting provider, a company, a home connection or a mobile network, and its history travels with it.

Announced by AS140042 · IZEC-AS-AP Zhipinshang Hongkong Electron
Network registered in 🇭🇰 Hong Kong
Decimal
2891016687
Hexadecimal
0xAC5169EF
Binary
10101100.01010001.01101001.11101111
Reverse DNS name
239.105.81.172.in-addr.arpa
As IPv6
::ffff:172.81.105.239

The networks around it

The /24 around it 172.81.105.0/24 172.81.105.0 to 172.81.105.255 256 addresses
The /16 172.81.0.0/16 172.81.0.0 to 172.81.255.255 65,536 addresses
The /8 172.0.0.0/8 172.0.0.0 to 172.255.255.255 16,777,216 addresses

Checking 172.81.105.239 against our threat intelligence and the public registries…

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