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

121.190.174.0

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Result

121.190.174.0/24

Prefix:

121.190.174.0/24 (256 IP's - view in CIDR to IP tool)

Description:

Korea Telecom

Country:

Korea (South)

Announced by:

LG DACOM Corporation
https://www.uplus.co.kr/

AS3786, 518 peers, 762 announced prefixes

See all details on AS3786 - LG DACOM Corporation »

121.190.174.0/24

Prefix:

121.190.174.0/24 (256 IP's - view in CIDR to IP tool)

Description:

Korea Telecom

Country:

Korea (South)

Announced by:

IRT-KR-KR

AS23591, 2 peers, 63 announced prefixes

See all details on AS23591 - IRT-KR-KR »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Korea (South)

AS4766

121.160.0.0/11

Korea Telecom

+2M

Korea (South)

AS3786

121.190.174.0/24

Korea Telecom

256

Korea (South)

AS23591

121.190.174.0/24

Korea Telecom

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '121.190.174.0/24'
006	+006	3 prefixes found
006	+000	Done

ASN database

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Result

121.190.174.0/24

121.190.174.0/24

Matching prefixes

Log

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