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

220.182.40.0

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Result

220.182.40.0/23

Prefix:

220.182.40.0/23 (512 IP's - view in CIDR to IP tool)

Description:

Tibet-linzhi ,hainan road 16, linzhitelecom node IP pool

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

AS4134

220.182.0.0/18

CHINANET Xizang province network

16.384

China

AS4809

220.182.40.0/23

Tibet-linzhi ,hainan road 16, linzhitelecom node IP pool

512

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '220.182.40.0/23'
006	+006	2 prefixes found
006	+000	Done

ASN database

Related tools

Result

220.182.40.0/23

Matching prefixes

Log

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