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

5.44.72.0

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Result

5.44.72.0/21

Prefix:

5.44.72.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

McCloud.nl ROUTE via A2B Internet

Country:

Netherlands

Announced by:

A2B IP B.V.
https://www.a2b-internet.com

AS51088, 695 peers, 62 announced prefixes

See all details on AS51088 - A2B IP B.V. »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Netherlands

AS51088

5.44.72.0/21

McCloud.nl ROUTE via A2B Internet

2.048

Netherlands

AS60358

5.44.79.0/24

McCloud.nl

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '5.44.72.0/21'
008	+008	2 prefixes found
008	+000	Done

ASN database

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Result

5.44.72.0/21

Matching prefixes

Log

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