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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

223.120.0.0

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Result

223.120.0.0/17

Prefix:

223.120.0.0/17 (32.768 IP's - view in CIDR to IP tool)

Description:

Unit 09-18, Level 12, Tower 1

Country:

Hong Kong

Announced by:

China Mobile International Limited

AS58453, 594 peers, 6 announced prefixes

See all details on AS58453 - China Mobile International Limited »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

China

AS9808

223.64.0.0/10

Asia Pacific Network Information Centre

+4M

Hong Kong

AS58453

223.120.0.0/17

Unit 09-18, Level 12, Tower 1

32.768

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '223.120.0.0/17'
006	+006	2 prefixes found
006	+000	Done

ASN database

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Result

223.120.0.0/17

Matching prefixes

Log

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