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

218.185.240.0

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Result

218.185.240.0/21

Prefix:

218.185.240.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

CHINANET FUJIAN PROVINCE NETWORK

Country:

China

Announced by:

China Telecom Next Generation Carrier Network

AS4809, 360 peers, 343 announced prefixes

See all details on AS4809 - China Telecom Next Generation Carrier Network »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

China

AS4809

218.185.240.0/21

CHINANET FUJIAN PROVINCE NETWORK

2.048

China

AS23764

218.185.241.0/24

Chinatelecom Next Carrying Network backbone

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '218.185.240.0/21'
004	+004	2 prefixes found
004	+000	Done

ASN database

Related tools

Result

218.185.240.0/21

Matching prefixes

Log

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