AS4040 Korea Telecom 🇰🇷 KR

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

256 (1 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS4040
Name: Korea Telecom
Organisation: Korea Telecom
Country: 🇰🇷 KR
RIR: APNIC
Allocated: 2002-08-01

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 1 no ROA (100.0%)

Whois

Fetched from whois.apnic.net

aut-num:        AS4040
as-name:        KORNET-PS-AS-KR
descr:          Korea Telecom
country:        KR
admin-c:        AM1756-AP
tech-c:         AM1756-AP
import:         from AS9277
                action pref=100;
                accept ANY
import:         from AS9318
                action pref=10;
                accept ANY
export:         to AS9277
                announce AS4040
export:         to AS9318
                announce AS4040
default:        to AS9277
                action pref=10;
                networks ANY
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2016-11-23T01:13:13Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2026-08-12T06:19:00Z
source:         APNIC

person:         AS Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        AM1756-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2016-11-23T01:12:36Z
source:         APNIC

aut-num:        AS4040
as-name:        KORNET-PS-AS-KR-KR
descr:          Korea Telecom
country:        KR
import:         from AS9277 action pref=100 accept ANY
import:         from AS9318 action pref=10 accept ANY
export:         to AS9277 announce AS4040
export:         to AS9318 announce AS4040
admin-c:        KB14-KR
tech-c:         14-KR
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

person:         AS Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        14-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

person:         AS Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        KB14-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC