ASN database

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IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

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Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

GeoIP location

185.52.203.0

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Result

185.52.203.0/24

Prefix:

185.52.203.0/24 (256 IP's - view in CIDR to IP tool)

Description:

Microsoft Corporation

Country:

Britain (UK)

Announced by:

Microsoft Corporation
https://www.microsoft.com

AS8075, 303 peers, 522 announced prefixes

See all details on AS8075 - Microsoft Corporation »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Russia

AS60102

185.52.200.0/22

Sova Capital Limited

1.024

Britain (UK)

AS8075

185.52.203.0/24

Microsoft Corporation

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '185.52.203.0/24'
033	+033	2 prefixes found
033	+000	Done

ASN database

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Result

185.52.203.0/24

Matching prefixes

Log

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