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Free tools · IP address lookup

IP address 51.8.81.252

51.8.81.252 is a public IPv4 address announced by AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK), registered in United States. 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

51.8.81.252

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 AS8075 · MICROSOFT-CORP-MSN-AS-BLOCK
Network registered in 🇺🇸 United States
Decimal
856183292
Hexadecimal
0x330851FC
Binary
00110011.00001000.01010001.11111100
Reverse DNS name
252.81.8.51.in-addr.arpa
As IPv6
::ffff:51.8.81.252

The networks around it

The /24 around it 51.8.81.0/24 51.8.81.0 to 51.8.81.255 256 addresses
The /16 51.8.0.0/16 51.8.0.0 to 51.8.255.255 65,536 addresses
The /8 51.0.0.0/8 51.0.0.0 to 51.255.255.255 16,777,216 addresses

Checking 51.8.81.252 against our threat intelligence and the public registries…

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