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iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
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
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
Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.
Reverse DNS
Perform reverse DNS (rDNS/PTR) lookups of any IP.
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
Online tool GeoIP location of any IP and/or domain.
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
AS146604, China Education and Research Network (CERNET)
Last update of data:
11-05-2024 02:34 UTC
ASN:
AS146604
Country:
CN - China (Asia)
Org.:
China Education and Research Network (CERNET)
https://www.cernet.edu.cn
Stats:
Peers
1
IX'es
-
Prefixes
1
IPv4
-
IPv6
7,9E+28
Contact:
China Education and Research Network (CERNET)
FIT 3-220,
Tsinghua University
CN
+86-10-62785983
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
China
Upstream
AS38255
China Education and Research Network (CERNET)
4.101
4
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
China
AS146604
240a:af72::/32
FITI Slices
7,9E+28
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS146604'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS146604
013
+010
1 prefixes found
020
+007
1 peers found
022
+003
No matching IX connections found!
024
+002
1 links loaded, 1 verified
029
+004
1 historical items loaded
029
+000
Done
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