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

38.57.240.0

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Result

38.57.240.0/22

Prefix:

38.57.240.0/22 (1.024 IP's - view in CIDR to IP tool)

Description:

Peer 1 Internet Service LLC

Country:

United States

Announced by:

Peer 1 Internet Service LLC

AS1031, 213 peers, 5 announced prefixes

See all details on AS1031 - Peer 1 Internet Service LLC »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS174

38.0.0.0/8

Cogent Communications

+16M

United States

AS1031

38.57.240.0/22

Peer 1 Internet Service LLC

1.024

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '38.57.240.0/22'
010	+010	2 prefixes found
010	+000	Done

ASN database

Related tools

Result

38.57.240.0/22

Matching prefixes

Log

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