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Free tools · IP address lookup

IP address 121.12.155.221

121.12.155.221 is a public IPv4 address announced by AS4134 (CHINANET-BACKBONE No.31,Jin-rong Street), registered in China. 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

121.12.155.221

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 AS4134 · CHINANET-BACKBONE No.31,Jin-rong Street
Network registered in 🇨🇳 China
Decimal
2030869469
Hexadecimal
0x790C9BDD
Binary
01111001.00001100.10011011.11011101
Reverse DNS name
221.155.12.121.in-addr.arpa
As IPv6
::ffff:121.12.155.221

The networks around it

The /24 around it 121.12.155.0/24 121.12.155.0 to 121.12.155.255 256 addresses
The /16 121.12.0.0/16 121.12.0.0 to 121.12.255.255 65,536 addresses
The /8 121.0.0.0/8 121.0.0.0 to 121.255.255.255 16,777,216 addresses

Checking 121.12.155.221 against our threat intelligence and the public registries…

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