AS9848 SEJONG NETWORKS

The website screenshot for https://en.sejongtelecom.net/

SEJONG NETWORKS

AS Number 9848
Website https://en.sejongtelecom.net/

Overview
Prefixes
Connectivity
Whois
IX

Network status: Active, Allocated under APNIC

Network type: Eyeball

Prefixes Originated: 147 IPv4, 2 IPv6

Upstreams

AS3491 - PCCW Global, Inc.
AS58453 - China Mobile International
AS23764 - China Telecom Global
AS6453 - TATA Communications (America) Inc
AS4766 - Korea Telecom
AS15412 - Flag Telecom UK Limited
AS150684 - JINX CO., LIMITED
AS4637 - Telstra International Limited

Rankings

#4 for AS Cone in South Korea

#67 for Estimated Eyeballs in South Korea

#21 for Unique Domains in South Korea

#9 for Known Peers in South Korea

#9 for Originated IPv4 Space in South Korea

#6 for Originated IPv6 Space in South Korea

	Prefix	Description
	58.180.7.0/24	Sejong Telecom
	58.180.133.0/24	Sejong Telecom
	58.180.136.0/24	Sejong Telecom
	61.97.64.0/20	SEJONG NETWORKS
	61.97.96.0/24	Sejong Telecom
	61.97.96.0/20	SEJONG NETWORKS
	61.97.96.0/21	Sejong Telecom
	61.100.0.0/17	SEJONG NETWORKS
	61.100.128.0/18	SEJONG NETWORKS
	61.109.128.0/17	SEJONG NETWORKS
	61.111.179.0/24	Sejong Telecom
	61.250.64.0/18	SEJONG NETWORKS
	61.252.160.0/20	Sejong Telecom
	61.252.176.0/20	Sejong Telecom
	64.23.64.0/20	Hostway-KR
	66.232.136.0/21	Hostway-KR
	66.232.140.0/22	Hostway-KR
	66.232.144.0/22	Hostway-KR
	202.30.209.0/24	SEJONG NETWORKS
	202.30.210.0/24	SEJONG NETWORKS
	202.30.212.0/24	-
	202.30.213.0/24	-
	202.30.217.0/24	SEJONG NETWORKS
	202.30.232.0/24	SEJONG NETWORKS
	202.30.233.0/24	SEJONG NETWORKS
	202.30.234.0/24	SEJONG NETWORKS
	202.30.235.0/24	SEJONG NETWORKS
	202.30.236.0/24	SEJONG NETWORKS
	202.30.237.0/24	SEJONG NETWORKS
	202.30.238.0/24	SEJONG NETWORKS
	202.30.239.0/24	SEJONG NETWORKS
	202.30.240.0/24	SEJONG NETWORKS
	202.30.241.0/24	SEJONG NETWORKS
	202.30.242.0/24	SEJONG NETWORKS
	202.30.243.0/24	SEJONG NETWORKS
	202.30.249.0/24	SEJONG NETWORKS
	203.227.0.0/16	-
	203.227.32.0/19	FLEXNET
	203.227.63.0/24	-
	203.227.176.0/20	SEJONG NETWORKS
	203.231.0.0/16	Design Park Communications
	203.231.104.0/21	-
	203.231.224.0/19	INET
	203.231.243.0/24	-
	203.231.253.0/24	-
	203.235.0.0/17	Korea Exchange
	203.235.96.0/22	ILINKKOREA CO
	203.235.128.0/18	-
	203.235.144.0/20	-
	203.235.185.0/24	-
	203.236.128.0/18	Church
	203.236.144.0/20	-
	203.236.150.0/24	-
	203.238.0.0/17	-
	203.238.38.0/23	dewsystem
	203.239.0.0/17	-
	203.240.132.0/24	SEJONG NETWORKS
	203.240.133.0/24	-
	203.240.134.0/24	-
	203.240.144.0/24	SEJONG NETWORKS
	203.240.145.0/24	SEJONG NETWORKS
	203.240.146.0/24	SEJONG NETWORKS
	203.240.147.0/24	SEJONG NETWORKS
	203.240.148.0/24	SEJONG NETWORKS
	203.240.153.0/24	-
	203.240.194.0/24	SEJONG NETWORKS
	203.240.244.0/24	SEJONG NETWORKS
	203.243.128.0/21	-
	203.243.128.0/17	-
	203.248.0.0/17	-
	203.248.80.0/20	-
	203.248.85.0/24	-
	203.251.246.0/24	SEJONG NETWORKS
	203.251.249.0/24	SEJONG NETWORKS
	203.251.250.0/24	SEJONG NETWORKS
	203.251.252.0/24	-
	203.251.253.0/24	-
	203.255.112.0/23	SEJONG TELECOM
	203.255.116.0/22	SEJONG TELECOM
	203.255.128.0/19	-
	210.98.64.0/18	-
	210.103.128.0/17	-
	210.109.0.0/16	-
	210.109.200.0/21	-
	210.112.0.0/17	-
	210.112.16.0/20	-
	210.112.32.0/19	Lx
	210.112.64.0/19	-
	210.112.117.0/24	-
	210.116.0.0/18	-
	210.116.128.0/17	CJcablenet
	210.118.135.0/24	HYUNDAI DATA SYSTEM
	210.118.138.0/24	SEJONG NETWORKS
	210.118.236.0/24	-
	210.118.237.0/24	-
	210.121.0.0/17	CCS
	210.122.0.0/16	Hostway
	210.122.230.0/23	-
	210.126.128.0/17	Seoul Dairy Co
	210.126.224.0/21	-
	210.127.64.0/21	-
	210.127.64.0/18	-
	210.127.128.0/18	-
	211.36.192.0/22	-
	211.36.192.0/19	-
	211.36.196.0/22	-
	211.36.200.0/22	dewsystem
	211.36.204.0/22	dewsystem
	211.36.208.0/20	-
	211.39.160.0/19	-
	211.43.160.0/19	HCN
	211.56.192.0/19	-
	211.111.128.0/20	-
	211.111.144.0/21	-
	211.111.144.0/20	-
	211.115.192.0/19	SEJONG NETWORKS
	211.116.176.0/20	-
	211.116.191.0/24	-
	211.116.192.0/20	-
	211.172.96.0/20	CJCABLENET
	211.172.104.0/21	CJCABLENET
	211.172.106.0/24	CJCABLENET
	211.189.160.0/19	-
	211.189.164.0/24	-
	211.189.168.0/21	SEJONG TELECOM
	211.190.5.0/24	-
	211.190.37.0/24	Lotte Capital
	211.236.224.0/20	RayTelecom
	211.236.224.0/22	RayTelecom
	211.236.224.0/19	RayTelecom
	211.236.232.0/22	-
	211.236.236.0/22	dewsystem
	211.238.0.0/20	Hostway
	211.238.16.0/21	CJCABLEHAEWONDAEKIJANG
	211.238.16.0/20	CJCABLEHAEWONDAEKIJANG
	211.238.18.0/24	CJCABLEHAEWONDAEKIJANG
	211.238.22.0/24	CJCABLEHAEWONDAEKIJANG
	211.239.0.0/17	-
	211.239.128.0/18	Daesang IT
	211.239.192.0/18	-
	211.239.201.0/24	-
	211.239.202.0/24	-
	211.239.236.0/24	-
	211.255.224.0/20	-
	211.255.240.0/24	CJcablenet
	211.255.240.0/20	CJcablenet
	211.255.240.0/21	CJcablenet
	2001:3a8::/32	SEJONG NETWORKS
	2001:cf0::/32	SEJONG NETWORKS

Peers: 114

Upstreams: 9

Downstreams: 50 (Cone: 72)

Network Policy

Click here to learn more about what this graph means and what makes up a network policy

Chart Display Options

Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS3491	PCCW Global, Inc.	✔	✔
AS58453	China Mobile International	✔	✔
AS23764	China Telecom Global	✔	✔
AS6453	TATA Communications (America) Inc	✔	✘
AS4766	Korea Telecom	✔	✔
AS15412	Flag Telecom UK Limited	✔	✔
AS150684	JINX CO., LIMITED	✔	✘
AS4637	Telstra International Limited	✔	✘
AS138195	MOACK.Co.LTD	✘	✔

Peers

ASN	Description	IPv4	IPv6
AS23764	China Telecom Global	✔	✔
AS4670	Shinbiro	✔	✔
AS58453	China Mobile International	✔	✔
AS15412	Flag Telecom UK Limited	✔	✔
AS18300	KEPCO	✔	✘
AS3491	PCCW Global, Inc.	✔	✔
AS9952	Hostway IDC	✔	✘
AS4766	Korea Telecom	✔	✔
AS7562	HCN Dongjak	✔	✘
AS46011	LX	✔	✘
AS10036	DLIVE	✔	✘
AS131866	Digital Edge Korea	✔	✔
AS6453	TATA Communications (America) Inc	✔	✘
AS45374	CCS	✔	✘
AS4637	Telstra International Limited	✔	✘
AS9781	GREEN CABLE TELEVISION STATION	✔	✘
AS17833	NCOM ltd.	✔	✘
AS10049	SK Co.,	✔	✘
AS17837	NHN KCP Corp.	✔	✘
AS38676	flexnetworks	✔	✘
AS137409	GSL Networks Pty LTD	✔	✘
AS3786	LG DACOM Corporation	✔	✔
AS23588	KAKAO Enterprise	✔	✘
AS138195	MOACK.Co.LTD	✔	✔
AS4664	Shinbiro	✔	✘
AS9973	BSITC	✔	✘
AS10171	SKTelink	✔	✘
AS9842	LOTTE INNOVATE Co.,Ltd	✔	✘
AS9976	Namincheon Brodcasting Co., Ltd.	✔	✘
AS150684	JINX CO., LIMITED	✔	✘
AS3608	Korea Rural Community Corporation	✔	✘
AS18305	POSCO DX	✔	✘
AS131826	hy	✔	✘
AS9646	eGIOS	✔	✘
AS139341	WeChat/QQ CDN	✔	✔
AS23593	bkl LLC	✔	✘
AS9286	KINX	✔	✔
AS45977	CANON KOREA INC.	✔	✘
AS6939	Hurricane Electric LLC	✔	✘
AS9959	KOREA STOCK EXCHANGE	✔	✘
AS45361	Ulsan Jung-Ang Broadcasting Network	✔	✘
AS17592	Industrial Bank of Korea	✔	✘
AS9527	VP	✔	✘
AS38686	Tmoney co., ltd	✔	✘
AS9318	SK Broadband Co Ltd	✔	✔
AS2635	Automattic, Inc	✔	✘
AS9002	RETN Limited	✔	✘
AS199524	Gcore S.A.	✔	✘
AS18294	SUHYUP BANK	✔	✘
AS8075	Microsoft Corporation	✔	✘
AS131820	HMM	✔	✘
AS9886	CTCSCI TECH LIMITED	✔	✘
AS955	LSHIY LLC	✔	✘
AS18403	FPT Telecom Company	✔	✘
AS4651	The Communications Authority of Thailand (CAT)	✔	✘
AS63927	RISE	✔	✘
AS10111	Zeofast Network	✔	✘
AS45971	Financial Security Institute	✔	✘
AS45968	KONAI	✔	✘
AS138997	Eons Data Communications Limited	✔	✘
AS49544	i3D.net B.V	✔	✘
AS134823	Sky Digital Co., Ltd.	✔	✘
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.	✔	✘
AS24509	Xpedite Systems Electronic document distribution and ...	✔	✘
AS152220	Hanwha Asset Management	✔	✘
AS18309	Korea VAn Service Co.LTD	✔	✘
AS18317	SHINHAN DS	✔	✘
AS7713	PT Telkom Indonesia Tbk	✔	✘
AS9493	HMC SECURITIES CO., LTD.	✔	✘
AS9577	KYOBO SECURITIES	✔	✘
AS131828	KAKAO Enterprise	✔	✘
AS10193	BUSANBANK	✔	✘
AS152294	KIS Information Communication,Inc	✔	✘
AS13335	Cloudflare, Inc.	✔	✘
AS398465	Rackdog LLC	✔	✘
AS48266	Catixs Ltd	✔	✘
AS6206	Netrouting B.V.	✔	✘
AS17433	Hytron Network Services Limited	✔	✘
AS151338	PoloNetwork Limited	✔	✘
AS18187	Ignite Telecommunications Inc	✔	✘
AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
AS9957	KINX	✔	✘
AS24482	SG.GS	✔	✘
AS9947	kt cloud Co., Ltd	✔	✘
AS10158	Kakao Corp	✔	✘
AS9709	KIS Information Communication,Inc	✔	✘
AS3223	Voxility LLP	✔	✘
AS38098	NICE Information Telecommunication, Inc	✔	✘
AS55591	Korea Institute for Curriculum and Evaluation	✔	✘
AS17608	ABN	✔	✘
AS38425	SEJONG NETWORKS	✔	✘
AS9498	Bharti Airtel Ltd.	✔	✘
AS30058	FDCservers.net	✔	✘
AS9632	SEOUL DAIRY CO-OP.	✔	✘
AS139070	Google Cloud Korea	✔	✘
AS20940	Akamai International B.V.	✔	✘
AS4809	China Telecom Next Generation Carrier Network	✔	✘
AS45701	PT Internet Madju Abad Milenindo	✔	✘
AS20473	The Constant Company, LLC	✔	✘
AS21859	Zenlayer Inc	✔	✔
AS24115	Equinix IX	✔	✘
AS9492	Maeil Business Newspaper	✔	✘
AS133840	PT Jala Lintas Media	✔	✘
AS137557	International gateway co., Ltd	✔	✘
AS1781	Korea Advanced Institute of Science and Technology	✔	✘
AS4862	Orange Business AS for Asia	✔	✘
AS35280	F5 Networks SARL	✔	✘
AS38667	KakaoBank Corp.	✔	✘
AS198148	Gateway Communications	✔	✘
AS132337	Axclusive	✔	✘
AS38091	LG HelloVision Corp.	✔	✘
AS9505	Taiwan Internet Gateway	✔	✘
AS15169	Google LLC	✔	✘
AS4229	Zenlayer Inc	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS4670	Shinbiro	✔	✔
AS18300	KEPCO	✔	✘
AS7562	HCN Dongjak	✔	✘
AS10036	DLIVE	✔	✘
AS9952	Hostway IDC	✔	✘
AS46011	LX	✔	✘
AS131866	Digital Edge Korea	✔	✔
AS38676	flexnetworks	✔	✘
AS17833	NCOM ltd.	✔	✘
AS9781	GREEN CABLE TELEVISION STATION	✔	✘
AS45374	CCS	✔	✘
AS23588	KAKAO Enterprise	✔	✘
AS17837	NHN KCP Corp.	✔	✘
AS10049	SK Co.,	✔	✘
AS9973	BSITC	✔	✘
AS4664	Shinbiro	✔	✘
AS9842	LOTTE INNOVATE Co.,Ltd	✔	✘
AS10171	SKTelink	✔	✘
AS9976	Namincheon Brodcasting Co., Ltd.	✔	✘
AS18305	POSCO DX	✔	✘
AS3608	Korea Rural Community Corporation	✔	✘
AS139341	WeChat/QQ CDN	✔	✔
AS23593	bkl LLC	✔	✘
AS9646	eGIOS	✔	✘
AS45977	CANON KOREA INC.	✔	✘
AS17592	Industrial Bank of Korea	✔	✘
AS45361	Ulsan Jung-Ang Broadcasting Network	✔	✘
AS38686	Tmoney co., ltd	✔	✘
AS9527	VP	✔	✘
AS9959	KOREA STOCK EXCHANGE	✔	✘
AS131826	hy	✔	✘
AS131820	HMM	✔	✘
AS45971	Financial Security Institute	✔	✘
AS18294	SUHYUP BANK	✔	✘
AS45968	KONAI	✔	✘
AS24509	Xpedite Systems Electronic document distribution and ...	✔	✘
AS152220	Hanwha Asset Management	✔	✘
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.	✔	✘
AS18317	SHINHAN DS	✔	✘
AS152294	KIS Information Communication,Inc	✔	✘
AS9493	HMC SECURITIES CO., LTD.	✔	✘
AS131828	KAKAO Enterprise	✔	✘
AS9577	KYOBO SECURITIES	✔	✘
AS18309	Korea VAn Service Co.LTD	✔	✘
AS10193	BUSANBANK	✔	✘
AS9947	kt cloud Co., Ltd	✔	✘
AS55591	Korea Institute for Curriculum and Evaluation	✔	✘
AS9318	SK Broadband Co Ltd	✘	✔
AS9709	KIS Information Communication,Inc	✔	✘
AS38098	NICE Information Telecommunication, Inc	✔	✘

aut-num:        AS9848
as-name:        SejongTelecom-AS-KR
descr:          SEJONG NETWORKS
country:        KR
admin-c:        AM1737-AP
tech-c:         AM1737-AP
import:         from AS3786
                action pref=0;
                accept ANY
import:         from AS9457
                action pref=0;
                accept ANY
export:         to AS3786
                announce AS9848
export:         to AS9457
                announce AS9848
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2024-09-10T08:50:02Z
source:         APNIC

Last Update: 2026-03-13T03:22:26Z UTC

Member of the following AS-SETs

-	Member
RADB	as-sejong
RADB	as-skbroadband
RIPE	as-mfnx
LEVEL3	as-level3-origins-na
APNIC	as63529:as-63529-as-import-as23764
RIPE	as-globeinternet-clients
ARIN	as-xo-b
RADB	as-pacnet
RADB	as-dacom
RADB	as198949:as-sd
NTTCOM	as-9848arcstar
RADB	as-anc
RADB	as-pacnet-customer-proxy-register
RADB	as-138415
NTTCOM	as-tbroad
RADB	as-telstra-intl-customers
RADB	as-hurricane
RADB	as3491:as-customers-ap
RADB	as-kddcustomer2
ARIN	as-globeinternet-clients
RADB	as-moack
RADB	as-hurricanev6
RADB	as-kinx-transit
RADB	as-shinbiro
JPIRR	as-iij
RADB	as-iij
RADB	as-telstra-testing-1
RADB	as-kornetbgp
RADB	as3491:as-customers-test

Name	IPv4	IPv6	Link Speed
KRIX(SEJONG)	203.255.114.1	2001:3a8:7000:0:114:0:9848:1	40 gbps
KRIX(SEJONG)	203.255.115.1	2001:3a8:7000:0:115:0:9848:1	40 gbps
Equinix Hong Kong	36.255.56.94	2001:de8:7::9848:1	10 gbps
Equinix Hong Kong	36.255.56.191	2001:de8:7::9848:2	10 gbps
KOIX	163.223.95.19	2401:f560::19	10 gbps
KOIX	163.223.95.20	2401:f560::20	10 gbps

View

Upstreams

Rankings

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points