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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GeoIP location

133.165.128.0

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Result

133.165.128.0/19

Prefix:

133.165.128.0/19 (8.192 IP's - view in CIDR to IP tool)

Description:

Japan Network Information Center

Country:

Japan

Announced by:

So-net

AS2527, 25 peers, 75 announced prefixes

See all details on AS2527 - So-net »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Japan

AS2527

133.165.128.0/18

Japan Network Information Center

16.384

Japan

AS2527

133.165.128.0/19

Japan Network Information Center

8.192

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '133.165.128.0/19'
004	+003	2 prefixes found
004	+000	Done

ASN database

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Result

133.165.128.0/19

Matching prefixes

Log

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