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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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GeoIP location

123.1.244.0

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Result

123.1.244.0/22

Prefix:

123.1.244.0/22 (1.024 IP's - view in CIDR to IP tool)

Description:

HKBN Enterprise Solutions Limited

Country:

Hong Kong

Announced by:

Hong Kong Broadband Network Ltd
https://www.hkbn.net

AS10103, 98 peers, 217 announced prefixes

See all details on AS10103 - Hong Kong Broadband Network Ltd »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Hong Kong

AS9269

123.1.128.0/17

HKBN Enterprise Solutions Limited

32.768

Hong Kong

AS10103

123.1.244.0/22

HKBN Enterprise Solutions Limited

1.024

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '123.1.244.0/22'
014	+014	2 prefixes found
014	+000	Done

ASN database

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Result

123.1.244.0/22

Matching prefixes

Log

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