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

153.254.103.0

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Result

153.254.103.0/25

Prefix:

153.254.103.0/25 (128 IP's - view in CIDR to IP tool)

Description:

NTT Ltd Japan Corporation

Country:

Japan

Announced by:

Tcloudnet

AS399077, 58 peers, 524 announced prefixes

See all details on AS399077 - Tcloudnet »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Japan

AS2914

153.254.0.0/15

NTT Ltd Japan Corporation

131.072

Japan

AS399077

153.254.103.0/25

NTT Ltd Japan Corporation

128

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '153.254.103.0/25'
005	+005	2 prefixes found
005	+000	Done

ASN database

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Result

153.254.103.0/25

Matching prefixes

Log

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