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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 / 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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203.234.0.0
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203.234.0.0
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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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GeoIP location
203.234.0.0
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Result
203.234.0.0/16
Prefix:
203.234.0.0/16
(
65.536 IP's - view in CIDR to IP tool
)
Description:
Asia Pacific Network Information Centre
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
203.234.0.0/16
Asia Pacific Network Information Centre
65.536
Korea (South)
AS9782
203.234.8.0/21
Korean Education Network
2.048
Korea (South)
AS18164
203.234.16.0/20
Korean Education Network
4.096
Korea (South)
AS3786
203.234.35.0/24
Korean Education Network
256
Korea (South)
AS10156
203.234.36.0/23
Korean Education Network
512
Korea (South)
AS3786
203.234.44.0/22
Korean Education Network
1.024
Korea (South)
AS9954
203.234.48.0/20
Korean Education Network
4.096
Korea (South)
AS3786
203.234.68.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.69.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.70.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.71.0/24
Korean Education Network
256
Korea (South)
AS18035
203.234.72.0/21
Korean Education Network
2.048
Korea (South)
AS3786
203.234.81.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.82.0/24
Korean Education Network
256
Korea (South)
AS9859
203.234.84.0/24
Korean Education Network
256
Korea (South)
AS9859
203.234.85.0/24
Korean Education Network
256
Korea (South)
AS9859
203.234.86.0/24
Korean Education Network
256
Korea (South)
AS9859
203.234.87.0/24
Korean Education Network
256
Korea (South)
AS18023
203.234.92.0/23
Korean Education Network
512
Korea (South)
AS18023
203.234.94.0/23
Korean Education Network
512
Korea (South)
AS38692
203.234.101.0/24
Korea Telecom
256
Korea (South)
AS38692
203.234.107.0/24
Korea Telecom
256
Korea (South)
AS45400
203.234.111.128/28
Korea Telecom
16
Korea (South)
AS3786
203.234.116.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.117.0/24
Korean Education Network
256
Korea (South)
AS3786
203.234.118.0/24
Korean Education Network
256
Korea (South)
AS55622
203.234.120.0/22
Korean Education Network
1.024
Korea (South)
AS55622
203.234.124.0/23
Korean Education Network
512
Korea (South)
AS3786
203.234.126.0/23
Korean Education Network
512
Korea (South)
AS10185
203.234.132.0/24
Korea Telecom
256
Korea (South)
AS17863
203.234.152.0/24
Korea Telecom
256
Korea (South)
AS9522
203.234.163.0/24
Korea Telecom
256
Korea (South)
AS17855
203.234.174.0/24
Korea Telecom
256
Korea (South)
AS17855
203.234.175.0/24
Korea Telecom
256
Korea (South)
AS55592
203.234.201.0/24
Korea Telecom
256
Korea (South)
AS55599
203.234.208.0/24
Korea Telecom
256
Korea (South)
AS9491
203.234.212.0/24
Korea Telecom
256
Korea (South)
AS9491
203.234.213.0/24
Korea Telecom
256
Korea (South)
AS55592
203.234.216.0/24
Korea Telecom
256
Korea (South)
AS38663
203.234.219.0/24
Korea Telecom
256
Korea (South)
AS9491
203.234.228.0/28
Korea Telecom
16
Korea (South)
AS9491
203.234.228.16/28
Korea Telecom
16
Korea (South)
AS9491
203.234.228.32/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.64/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.96/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.128/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.160/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.192/27
Korea Telecom
32
Korea (South)
AS9491
203.234.228.224/27
Korea Telecom
32
Korea (South)
AS9318
203.234.236.0/24
Korea Telecom
256
Korea (South)
AS55592
203.234.240.0/24
Korea Telecom
256
-- list of uniq prefixes has been truncated --
Log
000
+000
Parse input (Prefix)
000
+000
Search database for '203.234.0.0/16'
035
+035
Prefix list has been truncated at 50.
035
+000
Done