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

66.248.253.0

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Result

66.248.253.0/24

Prefix:

66.248.253.0/24 (256 IP's - view in CIDR to IP tool)

Description:

Level 3 Parent, LLC

Country:

United States

Announced by:

Level 3 Parent, LLC
https://www.centurylink.com

AS203, 1 peers, 155 announced prefixes

See all details on AS203 - Level 3 Parent, LLC »

66.248.253.0/24

Prefix:

66.248.253.0/24 (256 IP's - view in CIDR to IP tool)

Description:

Blue Cross Blue Shield Of Louisiana

Country:

United States

Announced by:

Blue Cross Blue Shield Of Louisiana
https://www.bcbsla.com

AS21639, 5 peers, 1 announced prefixes

See all details on AS21639 - Blue Cross Blue Shield Of Louisiana »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS203

66.248.253.0/24

Level 3 Parent, LLC

256

United States

AS21639

66.248.253.0/24

Blue Cross Blue Shield Of Louisiana

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '66.248.253.0/24'
008	+008	2 prefixes found
008	+000	Done

ASN database

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Result

66.248.253.0/24

66.248.253.0/24

Matching prefixes

Log

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