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iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
updated
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
updated
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
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ASN database
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Related tools
DNS lookup
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
updated
220.120.0.0
Reverse DNS
220.120.0.0
CIDR calculator
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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
220.120.0.0
World map, day/night + local time
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Beautiful day/night map of the world, with markup of all major cities including local date and time.
Result
220.120.0.0/13
Prefix:
220.120.0.0/13
(
524.288 IP's - view in CIDR to IP tool
)
Description:
Korea Telecom
Country:
Korea (South)
Announced by:
Korea Telecom
https://www.kt.com/eng/main.jsp
AS4766, 615 peers, 1.099 announced prefixes
See all details on AS4766 - Korea Telecom »
Matching prefixes
Country
ASN
Announced prefix
Description
Size
Korea (South)
AS4766
220.120.0.0/13
Korea Telecom
524.288
Korea (South)
AS131095
220.120.10.0/24
Korea Telecom
256
Korea (South)
AS131806
220.120.69.64/27
Korea Telecom
32
Korea (South)
AS131095
220.120.86.0/24
Korea Telecom
256
Korea (South)
AS38401
220.120.127.0/24
Korea Telecom
256
Korea (South)
AS38401
220.120.127.0/28
Korea Telecom
16
Korea (South)
AS38400
220.120.129.0/24
Korea Telecom
256
Korea (South)
AS9572
220.120.182.0/23
Korea Telecom
512
Korea (South)
AS131819
220.120.253.0/24
Korea Telecom
256
Korea (South)
AS23569
220.121.191.96/29
Korea Telecom
8
Korea (South)
AS17856
220.123.79.0/24
Korea Telecom
256
Korea (South)
AS23552
220.123.80.0/22
Korea Telecom
1.024
Korea (South)
AS17856
220.123.126.0/23
Korea Telecom
512
Korea (South)
AS10185
220.126.26.0/24
Korea Telecom
256
Korea (South)
AS9578
220.126.45.0/24
Korea Telecom
256
Korea (South)
AS9578
220.126.159.0/24
Korea Telecom
256
Korea (South)
AS17569
220.126.241.16/28
Korea Telecom
16
Korea (South)
AS38707
220.127.5.0/24
Korea Telecom
256
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Log
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Parse input (Prefix)
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Search database for '220.120.0.0/13'
012
+012
18 prefixes found
012
+000
Done