AS4766 Korea Telecom 🇰🇷 KR
Announcing 2,847 prefixes, seen at the RIS collectors.
IPv4 prefixes
2,776
69,976,162 (273,344 × /24)
IPv6 prefixes
71
4,493 × /32
Upstreams
10
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
566
transit customers observed
Customer cone
23,767
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
- 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
2,847 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 1.96.0.0/14 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 1.100.0.0/14 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 1.104.0.0/14 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 1.108.0.0/14 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 1.231.13.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 1.231.122.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.136.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.182.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.183.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.184.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.185.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.194.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.195.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.196.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.197.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 1.231.198.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 9.233.32.0/20 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 13.143.88.0/22 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 13.143.92.0/22 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 13.143.96.0/22 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 14.32.0.0/13 v4 | no ROA | 41 | 503044766 | 2026-09-18 |
| 14.34.86.32/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 14.34.86.64/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 14.34.171.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 14.34.220.76/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 14.34.221.72/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 14.40.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.42.223.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.46.54.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.46.246.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.46.248.0/21 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.48.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.49.8.0/21 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.49.15.0/24 v4 | no ROA | 2 | 496733150031133237644766 | 2026-09-18 |
| 14.49.16.0/21 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.49.16.0/24 v4 | no ROA | 2 | 496733150031133237644766 | 2026-09-18 |
| 14.49.22.0/24 v4 | no ROA | 1 | 496733150031133237644766 | 2026-09-18 |
| 14.49.48.0/21 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.55.178.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.56.0.0/13 v4 | no ROA | 41 | 503044766 | 2026-09-18 |
| 14.63.128.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.132.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.136.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.143.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.144.0/20 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.235.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.236.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.63.248.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.64.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.80.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 14.128.128.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.130.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.132.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.134.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.136.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.140.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.144.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.128.148.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.128.152.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.128.156.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 14.128.160.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.160.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.161.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.162.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.163.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.164.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.168.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 14.128.172.0/22 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 16.216.44.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 16.216.128.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 16.216.254.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 16.217.208.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 16.217.254.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.26.110.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.26.120.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.26.138.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.26.147.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.26.158.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.90.6.0/23 v4 | RPKI invalid | 4 | 503044766 | 2026-09-18 |
| 23.133.132.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.133.148.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.133.244.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.134.4.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 23.134.220.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 27.96.136.0/21 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 27.232.0.0/14 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 27.236.0.0/14 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 27.255.64.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 31.56.172.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.56.173.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.56.242.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.56.243.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.56.244.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.56.245.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 31.77.176.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 39.4.0.0/14 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 39.16.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 39.24.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 43.228.160.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.228.162.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.228.162.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.230.76.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.230.78.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.230.79.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.246.152.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.246.153.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.246.154.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 43.246.155.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 45.64.172.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 45.92.104.0/22 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 45.117.14.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 45.249.64.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.16.0.0/14 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 49.20.0.0/15 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 49.22.0.0/15 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 49.24.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 49.50.156.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.56.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 49.143.192.0/20 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.254.0.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.254.0.160/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.0.224/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.128.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.254.130.160/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.144.192/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.166.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 49.254.248.192/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.250.104/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 49.254.250.112/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 49.254.250.128/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 50.2.96.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 51.194.152.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 51.241.138.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 51.241.199.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 58.29.196.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.0.0/11 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 59.0.44.240/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.0.104.32/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.0.113.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 59.0.144.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 59.0.170.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.171.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.172.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.173.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.174.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.175.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.176.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.177.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.0.245.160/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.2.109.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.3.225.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.4.89.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.90.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.91.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.92.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.93.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.94.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.95.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.96.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.97.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.4.98.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.5.3.56/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.5.147.248/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.8.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 59.8.186.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.8.187.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.8.188.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.8.189.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.8.190.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.9.225.0/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.10.93.128/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.11.56.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.11.69.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.11.228.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.11.229.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.136.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.137.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.138.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.139.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.182.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.12.188.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.13.50.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.13.139.88/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 59.13.159.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.13.162.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.16.0.0/12 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.16.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 59.16.50.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.18.64.0/19 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 59.18.87.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.18.96.0/19 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.18.115.240/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.23.127.104/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.24.0.0/13 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 59.26.236.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.27.43.0/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.27.120.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 59.28.139.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |