AS4766 Korea Telecom 🇰🇷 KR
Announcing 2,233 prefixes, seen at the RIS collectors.
IPv4 prefixes
2,168
69,950,976 (273,246 × /24)
IPv6 prefixes
65
4,506 × /32
Upstreams
9
transit providers observed
Peers
26
settlement-free adjacencies
Downstreams
518
transit customers observed
Customer cone
28,985
ASes reachable through it
Registry and operator data
- AS number
- AS4766
- Name
- Korea Telecom
- Organisation
- KT Corporation (Korea Telecom)
- Country
- 🇰🇷 KR
- RIR
- APNIC
- Allocated
- 1996-04-22
- Network type
- Cable/DSL/ISP
- Traffic levels
- 20-50Tbps
- Scope
- Global
- Peering policy
- Selective
- IRR as-set
- RADB::AS-KORNET
- Website
- http://www.kt.com/eng/main.jsp
- PeeringDB
- net/23
- Exchanges
- 14
- Facilities
- 8
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2,168 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 121.159.36.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.159.242.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.159.243.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.0.0/11 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 121.160.0.0/12 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 121.160.0.0/13 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 121.160.57.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.64.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.65.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.66.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.67.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.168.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.176.0.0/12 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 121.176.0.0/13 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 121.176.133.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.176.134.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.184.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.186.148.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.191.149.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.191.150.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.191.151.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.191.152.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.191.166.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 124.198.0.0/18 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 124.198.64.0/18 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.7.128.0/19 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.7.160.0/19 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.128.0.0/11 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.128.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.128.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.131.72.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.132.8.0/24 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 125.132.44.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.132.45.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.136.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.136.73.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.136.74.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.137.121.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.137.122.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.140.64.0/18 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.140.64.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.140.66.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.140.136.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.141.160.0/19 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.144.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 128.134.0.0/16 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 128.134.32.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 128.134.36.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 128.134.172.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 128.134.232.0/21 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 128.134.240.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 129.192.200.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 135.196.155.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.166.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.236.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.244.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.248.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.252.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 135.196.254.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 139.181.49.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 141.98.150.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 144.225.164.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-29 |
| 147.6.0.0/16 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 147.6.0.0/17 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 147.6.81.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 147.6.128.0/17 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 147.6.160.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 147.6.161.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 156.227.13.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 160.202.160.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 160.202.173.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 160.202.175.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 161.195.135.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 163.213.0.0/16 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 163.222.0.0/16 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 163.229.0.0/16 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 163.255.0.0/16 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 165.132.19.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 165.133.0.0/18 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 165.133.64.0/18 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 166.1.8.0/21 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 168.126.0.0/16 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 168.126.137.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.126.140.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.126.146.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.126.150.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.126.246.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.248.86.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 168.248.255.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 169.208.0.0/12 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 170.130.68.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 172.120.240.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 172.120.243.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 175.45.224.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.176.138.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 175.192.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.192.230.0/24 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 175.198.61.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.200.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 175.202.181.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.202.182.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.205.105.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.207.32.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.207.36.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.207.79.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.207.98.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.208.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 175.212.34.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.214.175.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.216.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 175.224.0.0/12 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 175.240.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 177.202.126.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 178.94.50.0/23 v4 | RPKI invalid | 1 | 216285828067624766 | 2026-11-10 |
| 178.94.124.0/23 v4 | RPKI invalid | 1 | 216285828067624766 | 2026-11-10 |
| 179.198.0.0/22 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 179.198.12.0/22 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 179.198.16.0/22 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 179.198.24.0/22 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 180.92.240.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 180.94.4.0/24 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 182.237.41.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 182.237.62.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 183.78.128.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.78.144.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.96.0.0/13 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 183.104.0.0/13 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 183.106.28.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.106.29.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.106.30.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.110.128.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.110.144.0/21 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.110.160.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.110.176.0/21 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 183.112.0.0/12 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 185.33.92.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 185.137.14.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 188.220.134.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 188.221.88.0/22 v4 | RPKI valid | 45 | 503044766 | 2026-10-16 |
| 188.221.154.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.6.170.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.25.110.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.25.130.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.25.178.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.48.206.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.100.68.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.120.124.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.120.210.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.137.120.0/23 v4 | RPKI invalid | 1 | 216285828067624766 | 2026-11-10 |
| 192.170.106.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 192.245.251.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 194.231.144.0/22 v4 | RPKI invalid | 10 | 503044766 | 2026-09-18 |
| 195.86.238.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 195.172.206.0/23 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 202.14.103.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.30.0.0/19 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.30.14.0/23 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.30.58.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.30.96.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.176.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.177.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.178.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.179.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.184.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.185.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.186.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.187.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.212.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.213.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.214.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.31.215.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.86.8.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.86.12.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.126.112.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.126.116.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.133.16.0/21 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.133.24.0/21 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 202.168.152.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 202.168.153.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 202.168.154.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 202.168.155.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.109.0.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.109.16.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.173.99.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.173.111.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.210.25.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.210.28.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.210.29.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.210.30.0/24 v4 | RPKI valid | 45 | 503044766 | 2026-09-18 |
| 203.223.177.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.225.0.0/16 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.225.81.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.228.0.0/17 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.229.128.0/17 v4 | no ROA | 46 | 503044766 | 2026-09-18 |
| 203.229.169.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.230.80.0/20 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.230.128.0/17 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.230.128.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.230.132.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 203.230.135.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |