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

206.16.144.0

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Result

206.16.144.0/20

Prefix:

206.16.144.0/20 (4.096 IP's - view in CIDR to IP tool)

Description:

AT&T Enhanced Network Services

Country:

United States

Announced by:

AT&T Enhanced Network Services

AS17225, 1 peers, 11 announced prefixes

See all details on AS17225 - AT&T Enhanced Network Services »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS7018

206.16.0.0/14

AT&T Services, Inc.

262.144

United States

AS17225

206.16.144.0/20

AT&T Enhanced Network Services

4.096

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '206.16.144.0/20'
010	+010	2 prefixes found
010	+000	Done

ASN database

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Result

206.16.144.0/20

Matching prefixes

Log

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