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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
220.72.0.0
Reverse DNS
220.72.0.0
CIDR calculator
beta
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
220.72.0.0
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
220.72.0.0/13
Prefix:
220.72.0.0/13
(
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
220.72.0.0/13
Korea Telecom
524.288
Korea (South)
AS9492
220.72.24.0/24
Korea Telecom
256
Korea (South)
AS4668
220.73.10.0/24
Korea Telecom
256
Korea (South)
AS38688
220.73.163.128/26
Korea Telecom
64
Korea (South)
AS55593
220.73.221.0/24
Korea Telecom
256
Korea (South)
AS9870
220.73.230.0/23
Korea Telecom
512
Korea (South)
AS9870
220.73.232.0/23
Korea Telecom
512
Korea (South)
AS131860
220.74.39.0/24
Korea Telecom
256
Korea (South)
AS131096
220.75.200.0/24
Korea Telecom
256
Korea (South)
AS17859
220.75.210.0/24
Korea Telecom
256
Korea (South)
AS131093
220.76.17.0/24
Korea Telecom
256
Korea (South)
AS9491
220.76.36.0/26
Korea Telecom
64
Korea (South)
AS9491
220.76.36.128/27
Korea Telecom
32
Korea (South)
AS9696
220.76.42.192/27
Korea Telecom
32
Korea (South)
AS10185
220.76.115.0/24
Korea Telecom
256
Korea (South)
AS9869
220.76.121.0/25
Korea Telecom
128
Korea (South)
AS9647
220.76.177.0/24
Korea Telecom
256
Korea (South)
AS45399
220.76.190.160/27
Korea Telecom
32
Korea (South)
AS9855
220.76.222.0/24
Korea Telecom
256
Korea (South)
AS9526
220.76.239.0/24
Korea Telecom
256
Korea (South)
AS17611
220.77.21.0/24
Korea Telecom
256
Korea (South)
AS17611
220.77.43.0/24
Korea Telecom
256
Korea (South)
AS9631
220.77.176.0/24
Korea Telecom
256
Korea (South)
AS9631
220.77.177.0/24
Korea Telecom
256
Korea (South)
AS9577
220.78.134.0/24
Korea Telecom
256
Korea (South)
AS38402
220.78.173.0/25
Korea Telecom
128
Korea (South)
AS38431
220.79.220.0/24
Korea Telecom
256
- - show more (+16 entries) - -
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Log
000
+000
Parse input (Prefix)
000
+000
Search database for '220.72.0.0/13'
086
+086
27 prefixes found
086
+000
Done