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Free tools · IP address lookup

IP address 203.18.243.122

203.18.243.122 is a public IPv4 address announced by AS136000 (LIGHTNING-AS-AP Lightning Broadband Pty), registered in Australia. 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

203.18.243.122

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 AS136000 · LIGHTNING-AS-AP Lightning Broadband Pty
Network registered in 🇦🇺 Australia
Decimal
3407016826
Hexadecimal
0xCB12F37A
Binary
11001011.00010010.11110011.01111010
Reverse DNS name
122.243.18.203.in-addr.arpa
As IPv6
::ffff:203.18.243.122

The networks around it

The /24 around it 203.18.243.0/24 203.18.243.0 to 203.18.243.255 256 addresses
The /16 203.18.0.0/16 203.18.0.0 to 203.18.255.255 65,536 addresses
The /8 203.0.0.0/8 203.0.0.0 to 203.255.255.255 16,777,216 addresses

Checking 203.18.243.122 against our threat intelligence and the public registries…

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