Autonomous System details
AS1237
KISTI — kreonet.net
Summary
| Country |
 South Korea
|
| Organization | KISTI |
| Domain | kreonet.net |
| Number of IPv4 | 309,928 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Education |
| Registry | KRNIC |
| Allocated | July 31, 2002 (about 23 years ago) |
| Updated | September 12, 2024 (about 7 months ago) |
IP Ranges
AS1237 announces 196 IPv4 ranges and 1 IPv6 range.
That's a total of 309,928 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 134.75.0.0/16 |
KISTI
|
65,536 | KRNIC | ALLOCATED PORTABLE |
| 134.75.20.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 134.75.34.0/29 |
KISTI
|
8 | KRNIC | ALLOCATED PORTABLE |
| 134.75.250.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 147.47.120.0/21 |
Seoul National University
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 147.47.124.0/24 |
Seoul National University
|
256 | KRNIC | ALLOCATED PORTABLE |
| 147.47.125.0/24 |
Seoul National University
|
256 | KRNIC | ALLOCATED PORTABLE |
| 150.183.0.0/16 |
KISTI
|
65,536 | KRNIC | ALLOCATED PORTABLE |
| 150.183.11.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 202.30.40.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 202.30.40.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 202.30.60.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 202.31.182.0/24 |
Korea Educational Development Institute
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.6.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.8.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.230.16.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.230.22.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.230.24.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.230.60.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.230.64.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.230.72.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.73.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.74.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.230.76.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.230.108.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.230.116.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.230.116.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.120.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.230.126.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.233.155.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.233.156.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.241.40.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.241.116.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.241.118.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.241.120.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.241.164.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.241.165.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.241.170.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.241.172.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.241.174.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.64.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.69.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.73.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.160.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.247.164.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.247.167.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.170.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.247.172.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.247.176.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.247.180.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.247.184.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.185.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.188.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.247.190.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.247.192.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 203.247.216.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.250.0.0/19 |
KISTI
|
8,192 | KRNIC | ALLOCATED PORTABLE |
| 203.250.96.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.250.112.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.250.155.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.250.156.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.250.156.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.250.160.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 203.250.172.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.250.176.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 203.250.182.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.250.183.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.250.192.0/18 |
KISTI
|
16,384 | KRNIC | ALLOCATED PORTABLE |
| 203.253.96.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 203.253.135.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.253.136.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.253.140.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 203.253.224.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.253.230.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.253.234.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.253.236.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.253.238.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.40.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.168.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 203.254.176.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 203.254.179.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.180.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.181.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.185.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 203.254.186.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.5.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.6.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.98.8.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.98.12.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.14.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.98.24.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.98.26.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.28.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.98.44.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.47.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.48.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.98.48.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.52.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.54.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.56.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.59.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.98.60.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.107.144.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.107.152.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.107.160.0/19 |
KISTI
|
8,192 | KRNIC | ALLOCATED PORTABLE |
| 210.107.248.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.107.252.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.107.254.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.128.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.110.143.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.144.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 210.110.182.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.183.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.184.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.189.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.190.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.191.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.192.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.110.196.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.110.198.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.205.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.206.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.110.224.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.110.232.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.235.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.110.236.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.110.254.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.114.108.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.192.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.193.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.194.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.198.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.208.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.209.0/25 |
KISTI
|
128 | KRNIC | ALLOCATED PORTABLE |
| 210.117.209.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.210.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.117.211.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.212.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.117.216.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.217.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.218.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.219.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.224.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.225.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.226.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.117.228.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.117.230.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.236.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.117.240.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.117.243.224/27 |
KISTI
|
32 | KRNIC | ALLOCATED PORTABLE |
| 210.117.248.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.117.252.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.20.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.36.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.37.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.119.40.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.119.48.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 210.119.64.0/19 |
KISTI
|
8,192 | KRNIC | ALLOCATED PORTABLE |
| 210.119.71.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.119.72.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.119.96.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.119.100.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.114.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.122.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.124.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.119.126.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.125.0.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.125.32.0/20 |
KISTI
|
4,096 | KRNIC | ALLOCATED PORTABLE |
| 210.125.56.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.125.64.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.125.69.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.125.84.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.218.192.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.218.201.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.218.202.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.218.203.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.218.204.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.218.206.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.218.208.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.218.216.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.219.32.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.34.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.219.36.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.219.40.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 210.219.42.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.45.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.47.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.48.0/22 |
KISTI
|
1,024 | KRNIC | ALLOCATED PORTABLE |
| 210.219.52.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.55.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.56.0/21 |
KISTI
|
2,048 | KRNIC | ALLOCATED PORTABLE |
| 210.219.62.0/24 |
KISTI
|
256 | KRNIC | ALLOCATED PORTABLE |
| 210.219.62.0/23 |
KISTI
|
512 | KRNIC | ALLOCATED PORTABLE |
| 211.213.190.0/24 |
Sk Broadband Co LTD
|
256 | KRNIC | ALLOCATED PORTABLE |
| 218.233.7.0/24 |
Sk Broadband Co LTD
|
256 | KRNIC | ALLOCATED PORTABLE |
| 218.234.156.0/24 |
Sk Broadband Co LTD
|
256 | KRNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:320::/32 |
KISTI
|
7.9228× 1028 | KRNIC | ALLOCATED PORTABLE |
Peers
AS1237 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS1237 connects to the global Internet via at least 1 upstream provider. In this setup, AS1237 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS1237 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS1237's role in extending Internet access beyond its own infrastructure.