ASN Lookup Tool

Korea Telecom kt.com KR KR 2788 Routes

AS Data

AS4766

AS4766Korea Telecom

AS Number 4766
AS Name KIXS-AS-KR
Organization Korea Telecom()
Country KR
Website kt.com
Number of IPv4 Routes 2755
Number of IPv6 Routes 33
ASN type ISP
Registry KRNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS4766 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
211.230.57.0/24 256
223.195.104.0/25 128
23.133.148.0/24 256
211.253.110.0/24 256
117.17.127.0/24 256
115.144.69.0/24 256
210.183.59.0/24 256
211.35.202.0/24 256
211.253.48.0/21 2048
221.154.82.0/24 256

Raw Whois Response

query : AS4766


# KOREAN(UTF8)

조회하신 AS번호는 한국인터넷진흥원으로부터 아래의 AS번호 사용기관에게 할당되었으며, 할당 정보는 다음과 같습니다.

AS번호             : AS4766
AS이름             : KIXS-AS-KR

[ AS번호 기관 정보 ]
기관명             : 주식회사 케이티
주소               : 경기도 성남시 분당구 불정로 90 (정자동, KT본사)
우편번호           : 13606

이름               : AS번호 담당자
전화번호           : +82-2-500-6630
전자우편           : kornet_ip@kt.com


# ENGLISH

KRNIC is not an ISP but a National Internet Registry similar to APNIC.

AS Number          : AS4766
AS Name            : KIXS-AS-KR

[ Organization Information ]
Name               : Korea Telecom
Address            : KT Head Office, Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
Zip Code           : 13606

Name               : AS Manager
Phone              : +82-2-500-6630
E-Mail             : kornet_ip@kt.com


- KISA/KRNIC WHOIS Service -

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4608 - AS4865'

as-block:       AS4608 - AS4865
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-05-20T03:52:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS4766'

% Abuse contact for 'AS4766' is 'irt@nic.or.kr'

aut-num:        AS4766
as-name:        KIXS-AS-KR
descr:          Korea Telecom
country:        KR
admin-c:        AM1758-AP
tech-c:         AM1758-AP
import:         from AS9277
                action pref=100;
                accept ANY
import:         from AS9318
                action pref=10;
                accept ANY
export:         to AS9277
                announce AS4766
export:         to AS9318
                announce AS4766
default:        to AS9277
                action pref=10;
                networks ANY
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2016-11-23T01:18:18Z
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:  2025-09-04T01:00:01Z
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:        AM1758-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2016-11-23T01:17:45Z
source:         APNIC

% Information related to 'AS4766'

aut-num:        AS4766
as-name:        KIXS-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 AS4766
export:         to AS9318 announce AS4766
admin-c:        KB27-KR
tech-c:         27-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:        27-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:        KB27-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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS55610 KAIT KR
AS9703 Shinhan Bank KR
AS4793 Hyundai Heavy Industries KR
AS4837 China Unicom Backbone CN
AS38401 Gyeonggi Provincial Anseong Office of Education KR
AS9857 KOREA GAS CORPORATION KR
AS45375 Firstfire Marine Insurance KR
AS131836 Firstfire Marine Insurance KR
AS38704 IDIS powertel KR
AS23574 KISPricing KR

Upstreams

AS Number Description Country
AS8708 DIGI ROMANIA S.A. RO
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS39351 31173 Services AB SE
AS9505 Chunghwa Telecom Co., Ltd. TW
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS6830 Liberty Global Europe Holding B.V. NL
AS1273 Vodafone Group PLC NL
AS56655 Gigahost AS NO
AS37468 Angola Cables AO

Downstreams

AS Number Description Country
AS55610 KAIT KR
AS9703 Shinhan Bank KR
AS4793 Hyundai Heavy Industries KR
AS38401 Gyeonggi Provincial Anseong Office of Education KR
AS9857 KOREA GAS CORPORATION KR
AS45375 Firstfire Marine Insurance KR
AS131836 Firstfire Marine Insurance KR
AS38704 IDIS powertel KR
AS23574 KISPricing KR
AS9772 Jeonbuk Bank KR

Legacy Routes

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Frequently Asked Questions

ASN AS4766 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4766 is listed under Korea Telecom.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.