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

23.40.76.0

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Result

23.40.76.0/22

Prefix:

23.40.76.0/22 (1.024 IP's - view in CIDR to IP tool)

Description:

Viettel Group

Country:

Vietnam

Announced by:

Viettel Group
https://www.viettel.com.vn

AS7552, 147 peers, 25 announced prefixes

See all details on AS7552 - Viettel Group »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Brazil

AS20940

23.32.0.0/11

Akamai International B.V.

+2M

Vietnam

AS7552

23.40.76.0/22

Viettel Group

1.024

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '23.40.76.0/22'
012	+011	2 prefixes found
012	+000	Done

ASN database

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Result

23.40.76.0/22

Matching prefixes

Log

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