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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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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
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211.216.0.0
Reverse DNS
211.216.0.0
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
211.216.0.0
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Result
211.216.0.0/13
Prefix:
211.216.0.0/13
(
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
211.216.0.0/13
Korea Telecom
524.288
Korea (South)
AS9318
211.216.17.0/24
Korea Telecom
256
Korea (South)
AS38688
211.216.46.0/25
Korea Telecom
128
Korea (South)
AS4961
211.217.8.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.9.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.10.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.11.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.12.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.13.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.14.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.15.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.16.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.17.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.18.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.19.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.20.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.21.0/24
Korea Telecom
256
Korea (South)
AS4961
211.217.22.0/24
Korea Telecom
256
Korea (South)
AS9524
211.217.52.0/24
Korea Telecom
256
Korea (South)
AS9524
211.217.53.0/24
Korea Telecom
256
Korea (South)
AS9524
211.217.54.0/24
Korea Telecom
256
Korea (South)
AS9524
211.217.55.0/24
Korea Telecom
256
Korea (South)
AS9524
211.217.77.0/24
Korea Telecom
256
Korea (South)
AS10061
211.217.133.48/28
Korea Telecom
16
Korea (South)
AS131843
211.217.195.0/24
Korea Telecom
256
Korea (South)
AS45362
211.217.200.0/24
Korea Telecom
256
Korea (South)
AS9967
211.217.201.0/24
Korea Telecom
256
Korea (South)
AS4668
211.217.204.0/24
Korea Telecom
256
Korea (South)
AS38089
211.217.240.0/24
Korea Telecom
256
Korea (South)
AS45399
211.218.15.0/24
Korea Telecom
256
Korea (South)
AS17859
211.218.41.0/24
Korea Telecom
256
Korea (South)
AS17859
211.219.64.0/24
Korea Telecom
256
Korea (South)
AS9699
211.219.66.0/24
Korea Telecom
256
Korea (South)
AS23556
211.219.96.0/24
Korea Telecom
256
Korea (South)
AS18325
211.219.157.0/24
Korea Telecom
256
Korea (South)
AS18325
211.219.158.0/24
Korea Telecom
256
Korea (South)
AS18023
211.220.46.0/24
Korea Telecom
256
Korea (South)
AS9631
211.220.228.0/24
Korea Telecom
256
Korea (South)
AS9631
211.220.229.0/24
Korea Telecom
256
Korea (South)
AS9631
211.220.230.0/24
Korea Telecom
256
Korea (South)
AS9631
211.220.231.0/24
Korea Telecom
256
Korea (South)
AS9631
211.220.232.0/24
Korea Telecom
256
Korea (South)
AS46009
211.221.104.0/24
Korea Telecom
256
Korea (South)
AS131822
211.221.241.0/24
Korea Telecom
256
Korea (South)
AS131822
211.221.242.0/24
Korea Telecom
256
Korea (South)
AS38695
211.222.31.0/24
Korea Telecom
256
Korea (South)
AS38695
211.222.32.0/24
Korea Telecom
256
Korea (South)
AS38695
211.222.33.0/24
Korea Telecom
256
Korea (South)
AS55586
211.222.56.0/24
Korea Telecom
256
Korea (South)
AS55586
211.222.57.0/24
Korea Telecom
256
Korea (South)
AS55586
211.222.58.0/24
Korea Telecom
256
-- list of uniq prefixes has been truncated --
Log
000
+000
Parse input (Prefix)
000
+000
Search database for '211.216.0.0/13'
025
+025
Prefix list has been truncated at 50.
025
+000
Done