iamroot.tech
Toggle navigation
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
All tools
Page nav
Page nav
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
CTRL+D to bookmark
Add to homescreen
×
Tap the 'Share button' at the bottom of the screen:
Scroll down the list, and select 'Add to Home Screen':
Tap the menu icon (3 dots - upper right-hand corner):
and select 'Add to homescreen'.:
ASN database
You may find these sub-pages interesting as well:
Top ASN's by country
Directory of +1.200 verified looking glass url's
NEW: ASN database statistics
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
AS18026, JEJU NATIONAL UNIVERSITY
Last update of data:
13-04-2024 07:58 UTC
ASN:
AS18026 (CHEJU-AS-KR)
Country:
KR - Korea (South) (Asia)
Org.:
JEJU NATIONAL UNIVERSITY
https://www.jejunu.ac.kr
Stats:
Peers
4
IX'es
-
Prefixes
17
IPv4
+20K
IPv6
-
Contact:
JEJU NATIONAL UNIVERSITY
Jeollanam-do Naju-si Jinheung-gil
KR
+82-64-754-8393
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Korea (South)
Upstream
AS1237
KISTI
43
164
Korea (South)
Upstream
AS4766
Korea Telecom
615
1.099
Korea (South)
Upstream
AS9270
National Infomation Society Agency
22
7
Korea (South)
Upstream
AS9318
SK Broadband Co Ltd
481
406
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Korea (South)
AS18026
113.198.160.0/21
Korean Education Network
2.048
Korea (South)
AS18026
113.198.168.0/22
Korean Education Network
1.024
Korea (South)
AS18026
114.71.62.0/24
Korean Education Network
256
Korea (South)
AS18026
114.71.63.0/24
Korean Education Network
256
Korea (South)
AS18026
117.17.95.0/24
Korean Education Network
256
Korea (South)
AS18026
117.17.96.0/21
Korean Education Network
2.048
Korea (South)
AS18026
117.17.104.0/23
Korean Education Network
512
Korea (South)
AS18026
117.17.116.0/24
Korean Education Network
256
Korea (South)
AS18026
192.203.138.0/24
JEJU NATIONAL UNIVERSITY
256
Korea (South)
AS18026
203.237.202.0/23
Korean Education Network
512
Korea (South)
AS18026
203.253.192.0/19
JEJU NATIONAL UNIVERSITY
8.192
Korea (South)
AS18026
210.93.72.0/22
Korean Education Network
1.024
Korea (South)
AS18026
220.68.2.0/23
Korean Education Network
512
Korea (South)
AS18026
220.69.174.0/23
Korean Education Network
512
Korea (South)
AS18026
220.149.40.0/22
Korean Education Network
1.024
Korea (South)
AS18026
223.194.230.0/23
Korean Education Network
512
Korea (South)
AS18026
223.194.232.0/22
Korean Education Network
1.024
- - show more (+6 entries) - -
- - show less (-6 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS18026'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS18026
014
+012
17 prefixes found
018
+004
4 peers found
020
+002
No matching IX connections found!
021
+001
1 links loaded, 1 verified
022
+001
1 historical items loaded
022
+000
Done