AS7562 HCN Dongjak

HCN Dongjak

AS Number 7562
Website http://www.hcn.co.kr

Network status: Active, Allocated under APNIC

Network type: Eyeball

Prefixes Originated: 133 IPv4, 0 IPv6

Upstreams

AS4766 - Korea Telecom
AS9848 - SEJONG NETWORKS
AS3786 - LG DACOM Corporation

Rankings

#14 for AS Cone in South Korea

#48 for Estimated Eyeballs in South Korea

#48 for Unique Domains in South Korea

#21 for Known Peers in South Korea

#30 for Originated IPv4 Space in South Korea

	Prefix	Description
	1.222.128.0/18	LG DACOM Corporation
	1.222.192.0/20	LG DACOM Corporation
	27.35.4.0/22	HYUNDAI COMMUNICATIONS NETWORK
	27.35.8.0/22	HYUNDAI COMMUNICATIONS NETWORK
	27.35.12.0/22	HYUNDAI COMMUNICATIONS NETWORK
	39.126.0.0/16	SK Broadband Co Ltd
	45.8.174.0/24	HCN Dongjak
	45.8.175.0/24	HCN Dongjak
	49.1.216.0/22	kt HCN Co.,Ltd.
	49.1.224.0/22	kt HCN Co.,Ltd.
	49.142.0.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.1.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.2.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.4.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.6.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.8.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.10.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.10.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.11.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.12.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.14.0/23	HYUNDAI COMMUNICATIONS NETWORK
	49.142.15.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.64.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.64.0/22	HYUNDAI COMMUNICATIONS NETWORK
	49.142.65.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.66.0/24	HYUNDAI COMMUNICATIONS NETWORK
	49.142.72.0/21	HYUNDAI COMMUNICATIONS NETWORK
	49.142.180.0/23	HYUNDAI COMMUNICATIONS NETWORK
	58.76.160.0/22	LG DACOM Corporation
	58.76.164.0/22	LG DACOM Corporation
	58.76.168.0/22	LG DACOM Corporation
	58.76.172.0/22	LG DACOM Corporation
	58.76.176.0/22	LG DACOM Corporation
	58.76.180.0/22	LG DACOM Corporation
	58.76.185.0/24	LG DACOM Corporation
	58.76.186.0/24	LG DACOM Corporation
	58.76.187.0/24	LG DACOM Corporation
	58.76.188.0/22	LG DACOM Corporation
	58.140.88.0/22	kt HCN Co.,Ltd.
	58.140.96.0/22	kt HCN Co.,Ltd.
	58.140.218.0/23	kt HCN Co.,Ltd.
	58.141.84.0/22	kt HCN Co.,Ltd.
	58.141.88.0/21	kt HCN Co.,Ltd.
	58.141.112.0/20	kt HCN Co.,Ltd.
	58.141.128.0/22	kt HCN Co.,Ltd.
	58.141.132.0/23	kt HCN Co.,Ltd.
	58.141.232.0/22	kt HCN Co.,Ltd.
	58.141.244.0/22	kt HCN Co.,Ltd.
	58.142.124.0/22	kt HCN Co.,Ltd.
	59.187.192.0/22	LG DACOM Corporation
	59.187.192.0/24	LG DACOM Corporation
	59.187.196.0/22	LG DACOM Corporation
	59.187.200.0/22	LG DACOM Corporation
	59.187.204.0/22	LG DACOM Corporation
	59.187.208.0/22	LG DACOM Corporation
	59.187.212.0/22	LG DACOM Corporation
	59.187.216.0/22	LG DACOM Corporation
	59.187.217.0/24	LG DACOM Corporation
	59.187.220.0/22	LG DACOM Corporation
	59.187.224.0/22	LG DACOM Corporation
	59.187.228.0/22	LG DACOM Corporation
	59.187.232.0/22	LG DACOM Corporation
	59.187.236.0/22	LG DACOM Corporation
	59.187.240.0/20	LG DACOM Corporation
	59.187.240.0/22	LG DACOM Corporation
	59.187.244.0/22	LG DACOM Corporation
	59.187.248.0/22	LG DACOM Corporation
	59.187.252.0/22	LG DACOM Corporation
	101.235.196.0/22	kt HCN Co.,Ltd.
	101.235.208.0/23	kt HCN Co.,Ltd.
	101.235.210.0/23	kt HCN Co.,Ltd.
	101.235.210.0/24	kt HCN Co.,Ltd.
	110.35.148.0/22	HYUNDAI COMMUNICATIONS NETWORK
	110.35.152.0/22	HYUNDAI COMMUNICATIONS NETWORK
	110.35.156.0/22	HYUNDAI COMMUNICATIONS NETWORK
	110.35.160.0/22	HYUNDAI COMMUNICATIONS NETWORK
	110.35.160.0/24	HYUNDAI COMMUNICATIONS NETWORK
	110.35.168.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.0.0/24	HYUNDAI COMMUNICATIONS NETWORK
	111.118.0.0/23	HYUNDAI COMMUNICATIONS NETWORK
	111.118.20.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.24.0/24	HYUNDAI COMMUNICATIONS NETWORK
	111.118.24.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.28.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.32.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.40.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.48.0/22	HYUNDAI COMMUNICATIONS NETWORK
	111.118.56.0/23	HYUNDAI COMMUNICATIONS NETWORK
	111.118.63.0/24	HYUNDAI COMMUNICATIONS NETWORK
	112.214.16.0/22	kt HCN Co.,Ltd.
	112.214.30.0/23	kt HCN Co.,Ltd.
	112.214.104.0/22	kt HCN Co.,Ltd.
	114.199.140.0/24	HYUNDAI COMMUNICATIONS NETWORK
	114.199.148.0/22	HYUNDAI COMMUNICATIONS NETWORK
	114.199.152.0/23	HYUNDAI COMMUNICATIONS NETWORK
	114.199.159.0/24	HYUNDAI COMMUNICATIONS NETWORK
	118.91.0.0/22	HYUNDAI COMMUNICATIONS NETWORK
	118.91.4.0/22	HYUNDAI COMMUNICATIONS NETWORK
	118.91.5.0/24	HYUNDAI COMMUNICATIONS NETWORK
	118.176.160.0/23	kt HCN Co.,Ltd.
	120.50.80.0/23	HYUNDAI COMMUNICATIONS NETWORK
	120.50.88.0/22	HYUNDAI COMMUNICATIONS NETWORK
	120.142.22.0/23	kt HCN Co.,Ltd.
	120.142.52.0/22	kt HCN Co.,Ltd.
	120.142.188.0/22	kt HCN Co.,Ltd.
	120.142.248.0/23	kt HCN Co.,Ltd.
	120.142.252.0/24	HYUNDAI COMMUNICATIONS NETWORK
	120.142.253.0/24	HYUNDAI COMMUNICATIONS NETWORK
	123.108.164.0/24	HYUNDAI COMMUNICATIONS NETWORK
	123.108.165.0/24	HYUNDAI COMMUNICATIONS NETWORK
	182.172.20.0/22	kt HCN Co.,Ltd.
	182.172.124.0/22	kt HCN Co.,Ltd.
	182.172.216.0/22	kt HCN Co.,Ltd.
	182.172.224.0/22	kt HCN Co.,Ltd.
	203.228.136.0/24	-
	203.228.137.0/24	-
	203.228.138.0/24	-
	203.228.139.0/24	-
	203.228.140.0/24	-
	203.228.141.0/24	-
	203.251.207.0/24	Hyundai Department
	203.251.237.0/24	Hyundai Department
	203.251.238.0/24	Hyundai Department
	203.251.239.0/24	Hyundai Department
	203.251.240.0/24	Hyundai Department
	203.251.241.0/24	Hyundai Department
	203.251.242.0/24	Hyundai Department
	203.251.243.0/24	Hyundai Department
	210.57.230.0/24	HYUNDAI COMMUNICATIONS NETWORK
	210.216.56.0/24	-
	211.47.92.0/24	Saero Network Service LTD
	211.47.94.0/24	Saero Network Service LTD
	211.47.95.0/24	Saero Network Service LTD

Peers: 17

Upstreams: 3

Downstreams: 7 (Cone: 8)

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS4766	Korea Telecom	✔	✘
AS9848	SEJONG NETWORKS	✔	✘
AS3786	LG DACOM Corporation	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS4766	Korea Telecom	✔	✘
AS23584	PUSAN CABLE TV SYSTEM CO., LTD.	✔	✘
AS9319	HCN CHUNGBUK CABLE TV SYSTEMS	✔	✘
AS3786	LG DACOM Corporation	✔	✘
AS9762	kt HCN Co.,Ltd.	✔	✘
AS9848	SEJONG NETWORKS	✔	✘
AS7623	Gyeongbuk Cable TV	✔	✘
AS9981	Saero Network Service LTD	✔	✘
AS9569	SEOCHO CABLE SYSTEMS CO., LTD.	✔	✘
AS10175	Kumho Cable	✔	✘
AS9318	SK Broadband Co Ltd	✔	✘
AS13335	Cloudflare, Inc.	✔	✘
AS9957	KINX	✔	✘
AS9286	KINX	✔	✘
AS139648	PacketStream Korea	✔	✘
AS15169	Google LLC	✔	✘
AS4788	TM Technology Services Sdn. Bhd.	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS23584	PUSAN CABLE TV SYSTEM CO., LTD.	✔	✘
AS9319	HCN CHUNGBUK CABLE TV SYSTEMS	✔	✘
AS9762	kt HCN Co.,Ltd.	✔	✘
AS9569	SEOCHO CABLE SYSTEMS CO., LTD.	✔	✘
AS10175	Kumho Cable	✔	✘
AS7623	Gyeongbuk Cable TV	✔	✘
AS9981	Saero Network Service LTD	✔	✘

aut-num:        AS7562
as-name:        HCNSEOCHO-AS-KR
descr:          HCN Dongjak
country:        KR
admin-c:        AM1793-AP
tech-c:         AM1793-AP
import:         from AS4670
                action pref=100;
                accept ANY
import:         from AS9848
                action pref=100;
                accept ANY
export:         to AS4670
                announce AS7562
export:         to AS9848
                announce AS7562
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2019-11-12T00:54:06Z
source:         APNIC

Last Update: 2025-12-25T03:22:11Z UTC

Member of the following AS-SETs

-	Member
RADB	as3491:as-customers-test
RADB	as-hurricane
APNIC	as58453:as-asiatest
RADB	as-dacom
RADB	as-shinbiro
ARIN	as1239:as-customers
RADB	as-kddcustomer2
APNIC	as58453:as-asiaascust
RADB	as3491:as-customers-ap
ARIN	as-xo-b
RADB	as58453:as-asiaascust
LEVEL3	as-level3-origins-eu
RADB	as-kinx-transit
RADB	as-skbroadband
RADB	as-anc-customer-proxy-register
RADB	as-pacnet-customer-proxy-register
RADB	as-sejong
ARIN	as-globeinternet-clients
RADB	as-kornetbgp
RIPE	as-globeinternet-clients
APNIC	as58453:as-asiatest2
LEVEL3	as-level3-origins-na

Name	IPv4	Link Speed
KINX	139.150.100.36	70 gbps
KINX	139.150.100.37	40 gbps
KRIX(SEJONG)	203.255.114.31	10 gbps
KRIX(SEJONG)	203.255.115.31	10 gbps

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Upstreams

Rankings

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points