iamroot.tech
Toggle navigation
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
All tools
Page nav
Page nav
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
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
updated
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
AS1237, KISTI
Last update of data:
06-05-2024 15:56 UTC
ASN:
AS1237 (KREONET-AS-KR)
Country:
KR - Korea (South) (Asia)
Org.:
KISTI
https://www.kisti.re.kr
Stats:
Peers
43
IX'es
-
Prefixes
164
IPv4
+302K
IPv6
7,9E+28
Contact:
KISTI
Jeollanam-do Naju-si Jinheung-gil
KR
+82-42-869-0707
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 28-11-2023
46
-
167
+302K
7,9E+28
28-11-2023
-1
-
-
-
-
05-12-2023
+1
-
-
-
-
31-12-2023
+1
-
-
-
-
07-01-2024
+1
-
-
-
-
28-01-2024
-
-
+1
-
-
04-02-2024
-1
-
-
-
-
11-03-2024
+1
-
-
-
-
18-03-2024
-1
-
-
-
-
25-03-2024
-3
-
-
-
-
01-04-2024
-
-
-4
-
-0,2E+25
22-04-2024
-1
-
-
-
-
Current
43
-
164
+302K
7,9E+28
- - show more (+7 entries) - -
- - show less (-7 entries) - -
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Korea (South)
Upstream
AS4766
Korea Telecom
615
1.099
Korea (South)
Upstream
AS3786
LG DACOM Corporation
518
762
Korea (South)
Downstream
AS131830
Institute for Basic Science
1
3
Korea (South)
Downstream
AS17579
KISTI
19
26
Korea (South)
Downstream
AS10052
Kyungpook National University
5
1
Korea (South)
Downstream
AS10063
Korea Meteorological Administration
4
11
Korea (South)
Downstream
AS10070
KRISS SubDAEJONnetworks connected to backbone
1
2
Korea (South)
Downstream
AS10162
SNUH
3
4
Korea (South)
Downstream
AS10187
Korea Information Society Developement Institute
2
1
Korea (South)
Downstream
AS131795
KOREA INSTITUTE OF ENERGY RESEARCH
1
13
Korea (South)
Downstream
AS131869
UST
1
1
Korea (South)
Downstream
AS1704
Korea Advanced Institute of Science and Technology
2
4
Korea (South)
Downstream
AS17595
Korea Institute of Nuclear Safety
1
4
Korea (South)
Downstream
AS1781
Korea Advanced Institute of Science and Technology
5
4
Korea (South)
Downstream
AS17856
Konyang University
1
7
Korea (South)
Downstream
AS17866
Korea Institute of Science and Technology
2
1
Korea (South)
Downstream
AS18026
JEJU NATIONAL UNIVERSITY
4
17
Korea (South)
Downstream
AS18034
Kangnung National University
3
24
Korea (South)
Downstream
AS18297
K-JIST
1
27
Korea (South)
Downstream
AS18298
Chungnam National University
4
1
Korea (South)
Downstream
AS18336
Korea Institute of Oriental Medicine
2
2
Korea (South)
Downstream
AS23596
IRT-KR-KR
4
9
Korea (South)
Downstream
AS2385
KRIBB(Korea Research Institute of Bioscience Biotechnology)
2
9
Korea (South)
Downstream
AS24026
IRT-KR-KR
2
9
Korea (South)
Downstream
AS3784
Pohang University of Science and Technology
3
4
Korea (South)
Downstream
AS38426
KOREA RURAL ECONOMIC INSTITUTE
1
3
Korea (South)
Downstream
AS38696
Korea Brain Research Institute
2
2
Korea (South)
Downstream
AS45379
Ulsan National Institute of Science and Technology
2
2
Korea (South)
Downstream
AS55589
Korea Institute of Industrial Technology
2
7
Korea (South)
Downstream
AS55616
DGIST
3
9
Korea (South)
Downstream
AS7560
Jeonbuk National University
4
25
Korea (South)
Downstream
AS7564
Korea Atomic Energy Research Institute
2
2
Korea (South)
Downstream
AS9275
Korea Astronomy Observatory
2
7
Korea (South)
Downstream
AS9317
INHA UNIVERSITY
3
1
Korea (South)
Downstream
AS9488
Seoul National University
4
2
Korea (South)
Downstream
AS9489
Korea Aerospace Research Institute
2
2
Korea (South)
Downstream
AS9568
KOREA INSTITUTE OF MACHINERY MATERIALS (KIMM)
1
32
Korea (South)
Downstream
AS9637
Korea Basic Science Institute
1
7
Korea (South)
Downstream
AS9686
SungKyunKwan University (SKKU)
4
6
Korea (South)
Downstream
AS9949
Hoseo University
3
25
Korea (South)
Downstream
AS9695
KISTI
1
5
Korea (South)
Downstream
AS45963
KIRAMS (Korea Institute of Radiological Medical Sciences)
2
1
Korea (South)
Downstream
AS23570
IRT-KR-KR
2
59
- - show more (+32 entries) - -
- - show less (-32 entries) - -
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Korea (South)
AS1237
134.75.0.0/16
KISTI
65.536
Korea (South)
AS1237
147.47.120.0/21
KISTI
2.048
Korea (South)
AS1237
150.183.0.0/16
KISTI
65.536
Korea (South)
AS1237
202.30.40.0/22
KISTI
1.024
Korea (South)
AS1237
202.30.60.0/22
KISTI
1.024
Korea (South)
AS1237
202.31.182.0/24
Korea Educational Development Institute
256
Korea (South)
AS1237
203.230.6.0/24
KISTI
256
Korea (South)
AS1237
203.230.8.0/22
KISTI
1.024
Korea (South)
AS1237
203.230.16.0/23
KISTI
512
Korea (South)
AS1237
203.230.22.0/23
KISTI
512
Korea (South)
AS1237
203.230.24.0/21
KISTI
2.048
Korea (South)
AS1237
203.230.60.0/22
KISTI
1.024
Korea (South)
AS1237
203.230.64.0/21
KISTI
2.048
Korea (South)
AS1237
203.230.72.0/24
KISTI
256
Korea (South)
AS1237
203.230.73.0/24
KISTI
256
Korea (South)
AS1237
203.230.74.0/23
KISTI
512
Korea (South)
AS1237
203.230.76.0/22
KISTI
1.024
Korea (South)
AS1237
203.230.108.0/22
KISTI
1.024
Korea (South)
AS1237
203.230.116.0/23
KISTI
512
Korea (South)
AS1237
203.230.120.0/24
KISTI
256
Korea (South)
AS1237
203.230.126.0/24
KISTI
256
Korea (South)
AS1237
203.233.156.0/24
KISTI
256
Korea (South)
AS1237
203.241.40.0/21
KISTI
2.048
Korea (South)
AS1237
203.241.116.0/23
KISTI
512
Korea (South)
AS1237
203.241.118.0/24
KISTI
256
Korea (South)
AS1237
203.241.120.0/22
KISTI
1.024
Korea (South)
AS1237
203.241.164.0/24
KISTI
256
Korea (South)
AS1237
203.241.165.0/24
KISTI
256
Korea (South)
AS1237
203.241.170.0/23
Asia Pacific Network Information Centre
512
Korea (South)
AS1237
203.241.172.0/23
KISTI
512
Korea (South)
AS1237
203.241.174.0/24
KISTI
256
Korea (South)
AS1237
203.247.64.0/24
KISTI
256
Korea (South)
AS1237
203.247.69.0/24
KISTI
256
Korea (South)
AS1237
203.247.73.0/24
KISTI
256
Korea (South)
AS1237
203.247.160.0/22
KISTI
1.024
Korea (South)
AS1237
203.247.164.0/23
KISTI
512
Korea (South)
AS1237
203.247.167.0/24
KISTI
256
Korea (South)
AS1237
203.247.170.0/23
KISTI
512
Korea (South)
AS1237
203.247.172.0/22
KISTI
1.024
Korea (South)
AS1237
203.247.176.0/22
KISTI
1.024
Korea (South)
AS1237
203.247.180.0/23
KISTI
512
Korea (South)
AS1237
203.247.184.0/24
KISTI
256
Korea (South)
AS1237
203.247.185.0/24
KISTI
256
Korea (South)
AS1237
203.247.188.0/24
KISTI
256
Korea (South)
AS1237
203.247.190.0/23
KISTI
512
Korea (South)
AS1237
203.247.192.0/20
KISTI
4.096
Korea (South)
AS1237
203.247.216.0/22
KISTI
1.024
Korea (South)
AS1237
203.250.0.0/19
KISTI
8.192
Korea (South)
AS1237
203.250.96.0/21
KISTI
2.048
Korea (South)
AS1237
203.250.112.0/21
KISTI
2.048
Korea (South)
AS1237
203.250.154.0/23
KISTI
512
Korea (South)
AS1237
203.250.156.0/22
KISTI
1.024
Korea (South)
AS1237
203.250.160.0/21
KISTI
2.048
Korea (South)
AS1237
203.250.172.0/22
KISTI
1.024
Korea (South)
AS1237
203.250.176.0/20
KISTI
4.096
Korea (South)
AS1237
203.250.192.0/18
KISTI
16.384
Korea (South)
AS1237
203.253.96.0/20
KISTI
4.096
Korea (South)
AS1237
203.253.135.0/24
KISTI
256
Korea (South)
AS1237
203.253.136.0/22
KISTI
1.024
Korea (South)
AS1237
203.253.140.0/22
KISTI
1.024
Korea (South)
AS1237
203.253.224.0/23
KISTI
512
Korea (South)
AS1237
203.253.230.0/23
KISTI
512
Korea (South)
AS1237
203.253.234.0/23
Asia Pacific Network Information Centre
512
Korea (South)
AS1237
203.253.236.0/24
KISTI
256
Korea (South)
AS1237
203.253.238.0/24
KISTI
256
Korea (South)
AS1237
203.254.40.0/24
KISTI
256
Korea (South)
AS1237
203.254.168.0/23
KISTI
512
Korea (South)
AS1237
203.254.176.0/20
KISTI
4.096
Korea (South)
AS1237
210.98.5.0/24
KISTI
256
Korea (South)
AS1237
210.98.6.0/23
KISTI
512
Korea (South)
AS1237
210.98.8.0/22
KISTI
1.024
Korea (South)
AS1237
210.98.12.0/24
KISTI
256
Korea (South)
AS1237
210.98.14.0/23
KISTI
512
Korea (South)
AS1237
210.98.24.0/23
KISTI
512
Korea (South)
AS1237
210.98.26.0/24
KISTI
256
Korea (South)
AS1237
210.98.28.0/22
KISTI
1.024
Korea (South)
AS1237
210.98.44.0/24
KISTI
256
Korea (South)
AS1237
210.98.47.0/24
KISTI
256
Korea (South)
AS1237
210.98.48.0/21
KISTI
2.048
Korea (South)
AS1237
210.98.56.0/24
KISTI
256
Korea (South)
AS1237
210.98.59.0/24
KISTI
256
Korea (South)
AS1237
210.98.60.0/22
KISTI
1.024
Korea (South)
AS1237
210.107.144.0/22
KISTI
1.024
Korea (South)
AS1237
210.107.152.0/21
KISTI
2.048
Korea (South)
AS1237
210.107.160.0/19
KISTI
8.192
Korea (South)
AS1237
210.107.248.0/21
KISTI
2.048
Korea (South)
AS1237
210.110.128.0/21
KISTI
2.048
Korea (South)
AS1237
210.110.144.0/20
KISTI
4.096
Korea (South)
AS1237
210.110.182.0/24
KISTI
256
Korea (South)
AS1237
210.110.183.0/24
KISTI
256
Korea (South)
AS1237
210.110.184.0/24
KISTI
256
Korea (South)
AS1237
210.110.189.0/24
KISTI
256
Korea (South)
AS1237
210.110.190.0/24
KISTI
256
Korea (South)
AS1237
210.110.191.0/24
KISTI
256
Korea (South)
AS1237
210.110.192.0/22
KISTI
1.024
Korea (South)
AS1237
210.110.196.0/23
KISTI
512
Korea (South)
AS1237
210.110.198.0/24
KISTI
256
Korea (South)
AS1237
210.110.205.0/24
KISTI
256
Korea (South)
AS1237
210.110.206.0/23
KISTI
512
Korea (South)
AS1237
210.110.224.0/21
KISTI
2.048
Korea (South)
AS1237
210.110.232.0/24
KISTI
256
Korea (South)
AS1237
210.110.235.0/24
KISTI
256
Korea (South)
AS1237
210.110.236.0/22
KISTI
1.024
Korea (South)
AS1237
210.110.254.0/23
KISTI
512
Korea (South)
AS1237
210.114.108.0/24
KISTI
256
Korea (South)
AS1237
210.117.192.0/24
KISTI
256
Korea (South)
AS1237
210.117.193.0/24
KISTI
256
Korea (South)
AS1237
210.117.194.0/24
KISTI
256
Korea (South)
AS1237
210.117.198.0/24
KISTI
256
Korea (South)
AS1237
210.117.208.0/24
KISTI
256
Korea (South)
AS1237
210.117.209.0/24
KISTI
256
Korea (South)
AS1237
210.117.210.0/23
KISTI
512
Korea (South)
AS1237
210.117.212.0/22
KISTI
1.024
Korea (South)
AS1237
210.117.216.0/24
KISTI
256
Korea (South)
AS1237
210.117.217.0/24
KISTI
256
Korea (South)
AS1237
210.117.218.0/24
KISTI
256
Korea (South)
AS1237
210.117.224.0/24
KISTI
256
Korea (South)
AS1237
210.117.225.0/24
KISTI
256
Korea (South)
AS1237
210.117.226.0/23
KISTI
512
Korea (South)
AS1237
210.117.228.0/23
KISTI
512
Korea (South)
AS1237
210.117.230.0/24
KISTI
256
Korea (South)
AS1237
210.117.236.0/22
KISTI
1.024
Korea (South)
AS1237
210.117.240.0/21
KISTI
2.048
Korea (South)
AS1237
210.117.248.0/22
KISTI
1.024
Korea (South)
AS1237
210.117.252.0/23
KISTI
512
Korea (South)
AS1237
210.119.20.0/23
KISTI
512
Korea (South)
AS1237
210.119.36.0/23
KISTI
512
Korea (South)
AS1237
210.119.40.0/21
KISTI
2.048
Korea (South)
AS1237
210.119.48.0/20
KISTI
4.096
Korea (South)
AS1237
210.119.64.0/19
KISTI
8.192
Korea (South)
AS1237
210.119.96.0/22
KISTI
1.024
Korea (South)
AS1237
210.119.100.0/23
KISTI
512
Korea (South)
AS1237
210.119.114.0/23
KISTI
512
Korea (South)
AS1237
210.119.122.0/23
KISTI
512
Korea (South)
AS1237
210.119.124.0/23
KISTI
512
Korea (South)
AS1237
210.119.126.0/24
KISTI
256
Korea (South)
AS1237
210.125.0.0/24
KISTI
256
Korea (South)
AS1237
210.125.32.0/20
KISTI
4.096
Korea (South)
AS1237
210.125.56.0/21
KISTI
2.048
Korea (South)
AS1237
210.125.64.0/21
KISTI
2.048
Korea (South)
AS1237
210.125.84.0/23
KISTI
512
Korea (South)
AS1237
210.218.192.0/24
KISTI
256
Korea (South)
AS1237
210.218.201.0/24
KISTI
256
Korea (South)
AS1237
210.218.202.0/23
KISTI
512
Korea (South)
AS1237
210.218.204.0/23
KISTI
512
Korea (South)
AS1237
210.218.206.0/23
KISTI
512
Korea (South)
AS1237
210.218.208.0/21
KISTI
2.048
Korea (South)
AS1237
210.218.216.0/22
KISTI
1.024
Korea (South)
AS1237
210.219.32.0/24
KISTI
256
Korea (South)
AS1237
210.219.34.0/23
KISTI
512
Korea (South)
AS1237
210.219.36.0/22
KISTI
1.024
Korea (South)
AS1237
210.219.40.0/23
KISTI
512
Korea (South)
AS1237
210.219.42.0/24
KISTI
256
Korea (South)
AS1237
210.219.45.0/24
KISTI
256
Korea (South)
AS1237
210.219.47.0/24
KISTI
256
Korea (South)
AS1237
210.219.48.0/22
KISTI
1.024
Korea (South)
AS1237
210.219.52.0/24
KISTI
256
Korea (South)
AS1237
210.219.53.0/24
KISTI
256
Korea (South)
AS1237
210.219.54.0/23
KISTI
512
Korea (South)
AS1237
210.219.56.0/21
KISTI
2.048
Korea (South)
AS1237
211.213.190.0/24
SK Broadband Co Ltd
256
Korea (South)
AS1237
218.233.7.0/24
SK Broadband Co Ltd
256
Korea (South)
AS1237
218.234.156.0/24
SK Broadband Co Ltd
256
Country
ASN
Announced prefix
Description
Size
Korea (South)
AS1237
2001:320::/32
KISTI
7,9E+28
- - show more (+153 entries) - -
- - show less (-153 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS1237'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS1237
047
+044
164 prefixes found
064
+017
43 peers found
066
+003
No matching IX connections found!
072
+006
1 links loaded, 1 verified
076
+003
12 historical items loaded
076
+000
Done