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

210.129.0.0

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Result

210.129.0.0/16

Prefix:

210.129.0.0/16 (65.536 IP's - view in CIDR to IP tool)

Description:

Japan Network Information Center

Country:

Japan

Announced by:

IDC Frontier Inc.

AS4694, 23 peers, 80 announced prefixes

See all details on AS4694 - IDC Frontier Inc. »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Japan

AS4694

210.129.0.0/16

Japan Network Information Center

65.536

Japan

AS4725

210.129.38.0/24

Japan Network Information Center

256

Japan

AS4725

210.129.185.0/24

Japan Network Information Center

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '210.129.0.0/16'
010	+010	3 prefixes found
010	+000	Done

ASN database

Related tools

Result

210.129.0.0/16

Matching prefixes

Log

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