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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

104.252.133.0

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Result

104.252.133.0/24

Prefix:

104.252.133.0/24 (256 IP's - view in CIDR to IP tool)

Description:

WideOpenWest Finance LLC

Country:

United States

Announced by:

WideOpenWest Finance LLC

AS12083, 55 peers, 103 announced prefixes

See all details on AS12083 - WideOpenWest Finance LLC »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS18779

104.252.0.0/15

EGIHosting

131.072

United States

AS12083

104.252.133.0/24

WideOpenWest Finance LLC

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '104.252.133.0/24'
012	+012	2 prefixes found
012	+000	Done

ASN database

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Result

104.252.133.0/24

Matching prefixes

Log

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