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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GeoIP location

38.148.104.0

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Result

38.148.104.0/21

Prefix:

38.148.104.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

Sumofiber

Country:

United States

Announced by:

Sumofiber
https://www.sumofiber.com

AS54329, 27 peers, 27 announced prefixes

See all details on AS54329 - Sumofiber »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS174

38.0.0.0/8

Cogent Communications

+16M

United States

AS54329

38.148.104.0/21

Sumofiber

2.048

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '38.148.104.0/21'
009	+009	2 prefixes found
010	+000	Done

ASN database

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Result

38.148.104.0/21

Matching prefixes

Log

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