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

217.140.64.0

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Result

217.140.64.0/21

Prefix:

217.140.64.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

Private Customer

Country:

Germany

Announced by:

Windstream Communications LLC
https://www.windstream.net

AS7029, 415 peers, 765 announced prefixes

See all details on AS7029 - Windstream Communications LLC »

217.140.64.0/21

Prefix:

217.140.64.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

Private Customer

Country:

Germany

Announced by:

Sprint
https://www.sprint.net

AS1239, 5.619 peers, 268 announced prefixes

See all details on AS1239 - Sprint »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Germany

AS7029

217.140.64.0/21

Private Customer

2.048

Germany

AS1239

217.140.64.0/21

Private Customer

2.048

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '217.140.64.0/21'
009	+009	2 prefixes found
009	+000	Done

ASN database

Related tools

Result

217.140.64.0/21

217.140.64.0/21

Matching prefixes

Log

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