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Free tools · IP address lookup

IP address 221.164.21.190

221.164.21.190 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

221.164.21.190

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
3718518206
Hexadecimal
0xDDA415BE
Binary
11011101.10100100.00010101.10111110
Reverse DNS name
190.21.164.221.in-addr.arpa
As IPv6
::ffff:221.164.21.190

The networks around it

The /24 around it 221.164.21.0/24 221.164.21.0 to 221.164.21.255 256 addresses
The /16 221.164.0.0/16 221.164.0.0 to 221.164.255.255 65,536 addresses
The /8 221.0.0.0/8 221.0.0.0 to 221.255.255.255 16,777,216 addresses

Checking 221.164.21.190 against our threat intelligence and the public registries…

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