206208 looking glass

AS4766 Korea Telecom 🇰🇷 KR

Announcing 2,799 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,735
69,983,448 (273,373 × /24)
IPv6 prefixes
64
4,505 × /32
Upstreams
10
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
566
transit customers observed
Customer cone
26,083
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

140 valid (5.0%) 2 invalid (0.1%) 2,657 no ROA (94.9%)

Announcement history

One point per day, recorded at each table import

06941k2k3k09-1809-2309-2810-0310-0810-1310-18
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-16 15:28:46Z new prefix 94.194.52.0/22 AS4766 Korea Telecom 29504393921299476647664766
2026-10-16 15:28:46Z new prefix 94.194.248.0/22 AS4766 Korea Telecom 29504393921299476647664766
2026-10-16 15:28:46Z new prefix 94.194.160.0/22 AS4766 Korea Telecom 29504393921299476647664766
2026-10-16 15:28:46Z new prefix 94.194.180.0/22 AS4766 Korea Telecom 29504393921299476647664766
2026-10-16 15:28:46Z new prefix 94.194.140.0/22 AS4766 Korea Telecom 29504393921299476647664766
2026-10-16 15:28:45Z new prefix 188.221.88.0/22 AS4766 Korea Telecom 1763933564766
2026-10-16 13:01:32Z origin change 67.220.69.0/24 AS4766 → AS33333 4913453356693933333
2026-10-16 01:37:10Z origin change 211.56.101.0/24 AS152229 → AS4766 20236569394766
2026-10-16 00:54:31Z origin change 211.56.101.0/24 AS152229 → AS4766 3772112734766
2026-10-16 00:54:31Z origin change 211.56.101.0/24 AS4766 → AS152229 377213786152229152229152229152229
2026-10-16 00:54:30Z origin change 211.56.101.0/24 AS4766 → AS152229 345493786152229152229152229152229
2026-10-16 00:54:30Z origin change 211.56.101.0/24 AS152229 → AS4766 2448229144766
2026-10-16 00:54:30Z origin change 211.56.101.0/24 AS4766 → AS152229 244823786152229152229152229152229
2026-10-15 16:06:48Z new prefix 2400:10b::/32 AS4766 Korea Telecom 176399304154124766
2026-10-15 11:26:29Z origin change 67.220.69.0/24 AS402072 → AS4766 57381503044766
2026-10-15 10:23:48Z origin change 211.56.101.0/24 AS4766 → AS152229 24482291437863786152229152229152229152229
2026-10-15 10:23:48Z origin change 211.56.101.0/24 AS152229 → AS4766 2448269394766
2026-10-15 10:23:47Z origin change 211.56.101.0/24 AS152229 → AS4766 345491744766
2026-10-15 10:22:26Z origin change 211.56.101.0/24 AS4766 → AS152229 202365506733786152229152229152229152229
2026-10-15 10:21:59Z origin change 211.56.101.0/24 AS4766 → AS152229 345493786152229152229152229152229
2026-10-15 10:21:59Z origin change 211.56.101.0/24 AS152229 → AS4766 2448269394766
2026-10-15 10:21:59Z origin change 211.56.101.0/24 AS4766 → AS152229 244823786152229152229152229152229
2026-10-15 10:21:58Z origin change 211.56.101.0/24 AS152229 → AS4766 20236569394766
2026-10-15 09:20:41Z origin change 211.56.101.0/24 AS152229 → AS4766 216285828067624766
2026-10-15 09:04:06Z origin change 211.56.101.0/24 AS4766 → AS152229 377213786152229152229152229152229
2026-10-15 09:04:04Z origin change 211.56.101.0/24 AS152229 → AS4766 3772167624766
2026-10-15 09:04:03Z origin change 211.56.101.0/24 AS4766 → AS152229 202365506733786152229152229152229152229
2026-10-15 09:04:03Z origin change 211.56.101.0/24 AS152229 → AS4766 2448229144766
2026-10-15 09:04:03Z origin change 211.56.101.0/24 AS4766 → AS152229 244823786152229152229152229152229
2026-10-13 17:19:40Z new prefix 2400:103::/32 AS4766 Korea Telecom 2448229144766
2026-10-13 17:19:40Z new prefix 2400:104::/30 AS4766 Korea Telecom 2448229144766
2026-10-13 15:45:14Z new prefix 2400:150::/30 AS4766 Korea Telecom 3800134914766
2026-10-12 15:51:16Z new prefix 2400:124::/31 AS4766 Korea Telecom 176399304154124766
2026-10-12 10:10:27Z origin change 223.195.115.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.114.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.113.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.112.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.99.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.98.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.97.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.96.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.103.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.102.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.101.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.100.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.107.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.106.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.105.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.104.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.111.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.110.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.109.0/24 AS3786 → AS4766 20236569394766
2026-10-12 10:10:27Z origin change 223.195.108.0/24 AS3786 → AS4766 20236569394766
2026-10-12 09:07:18Z origin change 223.195.101.0/24 AS3786 → AS4766 2040921989781744766
2026-10-12 09:07:12Z origin change 223.195.100.0/24 AS3786 → AS4766 2040921989781744766
2026-10-12 07:26:01Z origin change 223.195.101.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.100.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.107.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.106.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.105.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.104.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.111.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.110.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.109.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:01Z origin change 223.195.108.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.115.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.114.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.113.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.112.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.99.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.98.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.97.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.96.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.103.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:26:00Z origin change 223.195.102.0/24 AS3786 → AS4766 20236569394766
2026-10-12 07:03:06Z origin change 144.225.164.0/23 AS9304 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.115.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.114.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.113.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.112.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.99.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 144.225.164.0/23 AS9304 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.98.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.97.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.96.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.103.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.102.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.101.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.100.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.107.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.106.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.105.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.104.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.111.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.110.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.109.0/24 AS3786 → AS4766 20236569394766
2026-10-12 06:37:09Z origin change 223.195.108.0/24 AS3786 → AS4766 20236569394766
2026-10-12 05:37:17Z origin change 223.195.115.0/24 AS3786 → AS4766 20236569394766
2026-10-12 05:37:17Z origin change 223.195.114.0/24 AS3786 → AS4766 20236569394766
2026-10-12 05:37:17Z origin change 223.195.113.0/24 AS3786 → AS4766 20236569394766