ASN database

You may find these sub-pages interesting as well:

Related tools

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.

WHOIS / RDAP lookup

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.

What is my IPv4 and IPv6?

Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

GeoIP location

203.249.138.0

World map, day/night + local time

beta

Beautiful day/night map of the world, with markup of all major cities including local date and time.

Result

203.249.138.0/24

Prefix:

203.249.138.0/24 (256 IP's - view in CIDR to IP tool)

Description:

JOONGANG ILBO

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 »

203.249.138.0/24

Prefix:

203.249.138.0/24 (256 IP's - view in CIDR to IP tool)

Description:

JOONGANG ILBO

Country:

Korea (South)

Announced by:

JoongAng Ilbo

AS4791, 1 peers, 21 announced prefixes

See all details on AS4791 - JoongAng Ilbo »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Korea (South)

AS3786

203.249.138.0/24

JOONGANG ILBO

256

Korea (South)

AS4791

203.249.138.0/24

JOONGANG ILBO

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '203.249.138.0/24'
017	+017	2 prefixes found
017	+000	Done

ASN database

Related tools

Result

203.249.138.0/24

203.249.138.0/24

Matching prefixes

Log

The tools of iamroot.tech

Changelog

Newsletter