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
24
settlement-free adjacencies
Downstreams
567
transit customers observed
Customer cone
23,610
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 |
|---|---|---|---|---|
| 117.17.126.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.127.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.133.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.134.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.136.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.149.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.150.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.152.0/21 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.160.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.162.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.163.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.176.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.177.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.178.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.179.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.210.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.211.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.212.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.216.0/22 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 117.17.250.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.251.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.252.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.253.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.17.254.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 117.110.147.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.32.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 118.32.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 118.32.61.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.32.61.16/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.32.61.32/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.32.61.48/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.36.200.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 118.37.153.224/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.40.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.40.167.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 118.46.128.0/18 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 118.46.183.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 118.48.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 118.67.160.0/19 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 118.221.147.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.148.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.173.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.191.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.204.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.205.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.209.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.229.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.242.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.243.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.243.224/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 118.221.245.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.221.252.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 118.234.0.0/15 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 119.192.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 119.192.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 119.194.93.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 119.194.180.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 119.197.28.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 119.200.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 119.200.83.224/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 119.200.95.224/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 119.200.229.16/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 119.208.0.0/12 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 121.67.240.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.126.0.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.100.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.128.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.140.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.142.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.143.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.144.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.126.211.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.128.0.0/11 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.128.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.128.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.130.133.28/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 121.131.69.64/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.136.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.136.63.132/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 121.137.151.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.137.185.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.141.42.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.144.0.0/12 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.144.0.0/13 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 121.150.39.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.150.50.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.152.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.156.150.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.156.153.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.156.181.108/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 121.159.34.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.159.36.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.159.242.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.159.243.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.160.0.0/11 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.0.0/12 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.160.57.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.160.64.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.160.65.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.160.66.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.160.67.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.168.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 121.176.0.0/12 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.176.0.0/13 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 121.176.133.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.176.134.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.178.146.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.179.236.128/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.183.196.192/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.184.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 121.184.80.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.186.130.8/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 121.186.148.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.188.56.32/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.188.79.144/29 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 121.191.149.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.191.150.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.191.151.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.191.152.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 121.191.166.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 124.198.0.0/18 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 124.198.4.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 124.198.8.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 124.198.64.0/18 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 124.198.118.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 125.7.128.0/19 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.7.160.0/19 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.128.0.0/11 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 125.128.0.0/12 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 125.128.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 125.128.14.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 125.130.59.0/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 125.131.72.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.132.8.0/24 v4 | no ROA | 45 | 503044766 | 2026-09-18 |
| 125.132.44.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.132.45.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.135.211.0/28 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 125.136.0.0/13 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 125.136.73.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.136.74.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.137.121.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.137.122.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.140.64.0/18 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.140.64.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.140.66.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.140.136.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.140.209.84/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 125.140.209.96/30 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 125.141.160.0/19 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 125.142.193.96/27 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 125.144.0.0/12 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 128.134.0.0/16 v4 | no ROA | 42 | 503044766 | 2026-09-18 |
| 128.134.32.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 128.134.36.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 128.134.172.0/22 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 128.134.232.0/21 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 128.134.240.0/23 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 129.192.200.0/23 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 129.254.38.1/32 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 135.196.155.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.166.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.236.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.244.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.248.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.252.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 135.196.254.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 139.181.49.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 141.98.150.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 144.225.244.0/23 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 147.6.0.0/16 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.0.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.81.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.90.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.90.128/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.93.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.114.64/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.128.0/17 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.160.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.160.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.160.128/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.161.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 147.6.161.0/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.161.128/25 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.6.184.192/26 v4 | no ROA | 2 | 34927566554766 | 2026-09-18 |
| 147.46.254.4/32 v4 | no ROA | 1 | 34927566554766 | 2026-09-18 |
| 151.245.190.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 151.245.196.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 151.245.240.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 151.246.254.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 156.227.13.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 160.202.160.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |
| 160.202.173.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 160.202.175.0/24 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 161.195.135.0/24 v4 | RPKI valid | 44 | 503044766 | 2026-09-18 |
| 163.213.0.0/16 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 163.222.0.0/16 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 163.229.0.0/16 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 163.255.0.0/16 v4 | no ROA | 43 | 503044766 | 2026-09-18 |
| 165.132.19.0/24 v4 | no ROA | 44 | 503044766 | 2026-09-18 |