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Free tools · IP address lookup

IP address 121.165.8.166

121.165.8.166 is a public IPv4 address announced by AS4766 (KIXS-AS-KR Korea Telecom), registered in South Korea. 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

121.165.8.166

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 AS4766 · KIXS-AS-KR Korea Telecom
Network registered in 🇰🇷 South Korea
Decimal
2040858790
Hexadecimal
0x79A508A6
Binary
01111001.10100101.00001000.10100110
Reverse DNS name
166.8.165.121.in-addr.arpa
As IPv6
::ffff:121.165.8.166

The networks around it

The /24 around it 121.165.8.0/24 121.165.8.0 to 121.165.8.255 256 addresses
The /16 121.165.0.0/16 121.165.0.0 to 121.165.255.255 65,536 addresses
The /8 121.0.0.0/8 121.0.0.0 to 121.255.255.255 16,777,216 addresses

Checking 121.165.8.166 against our threat intelligence and the public registries…

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