ASN database

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DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.

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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

117.0.0.0

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Result

117.0.0.0/13

Prefix:

117.0.0.0/13 (524.288 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

Vietnam

AS7552

117.0.0.0/13

Viettel Group

524.288

Vietnam

AS38731

117.1.148.0/22

Dai IP cho dich vu ADSL HNI

1.024

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '117.0.0.0/13'
010	+010	2 prefixes found
010	+000	Done

ASN database

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Result

117.0.0.0/13

Matching prefixes

Log

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