AS9848 SEJONG NETWORKS

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SEJONG NETWORKS

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

Overview
Prefixes
Connectivity
Whois
IX

Network status: Active, Allocated under APNIC

Network type: Eyeball

Prefixes Originated: 171 IPv4, 2 IPv6

Upstreams

AS3491 - PCCW Global, Inc.
AS58453 - China Mobile International
AS23764 - China Telecom Global
AS6453 - TATA Communications (America) Inc
AS4766 - Korea Telecom
AS138195 - MOACK.Co.LTD
AS15412 - Flag Telecom UK Limited
AS4637 - Telstra Global

Rankings

#4 for AS Cone in South Korea

#87 for Estimated Eyeballs in South Korea

#24 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
	61.97.64.0/20	SEJONG NETWORKS
	61.97.96.0/21	Sejong Telecom
	61.97.96.0/20	SEJONG NETWORKS
	61.97.96.0/24	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
	203.227.39.0/24	FLEXNET
	203.227.44.0/24	FLEXNET
	203.227.48.0/20	-
	203.227.50.0/24	-
	203.227.51.0/24	-
	203.227.56.0/24	-
	203.227.62.0/24	-
	203.227.176.0/20	CJcablenet
	203.227.184.0/24	CJcablenet
	203.227.184.0/21	CJcablenet
	203.227.185.0/24	CJcablenet
	203.227.186.0/24	MOACK
	203.227.189.0/24	CJcablenet
	203.231.0.0/16	Design Park Communications
	203.231.224.0/19	INET
	203.231.240.0/20	-
	203.231.242.0/24	-
	203.231.245.0/24	-
	203.231.248.0/24	-
	203.231.254.0/24	-
	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
	203.236.144.0/24	-
	203.236.144.0/20	-
	203.236.145.0/24	-
	203.236.147.0/24	-
	203.236.148.0/24	-
	203.236.149.0/24	-
	203.236.150.0/24	-
	203.236.151.0/24	-
	203.236.152.0/24	-
	203.236.153.0/24	-
	203.236.154.0/24	Ezville
	203.236.155.0/24	Ezville
	203.236.156.0/24	Ezville
	203.236.157.0/24	Ezville
	203.236.158.0/24	Ezville
	203.238.0.0/17	-
	203.238.38.0/23	-
	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
	203.243.128.0/17	-
	203.248.0.0/17	-
	203.248.80.0/20	-
	203.248.80.0/24	-
	203.248.81.0/24	-
	203.248.82.0/24	-
	203.248.83.0/24	-
	203.248.84.0/24	-
	203.248.85.0/24	-
	203.248.86.0/24	-
	203.248.87.0/24	-
	203.248.88.0/24	-
	203.248.89.0/24	-
	203.248.90.0/24	-
	203.248.91.0/24	-
	203.248.92.0/24	-
	203.248.93.0/24	-
	203.248.94.0/24	-
	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	-
	210.112.0.0/17	-
	210.112.16.0/20	-
	210.112.32.0/19	Lx
	210.112.64.0/19	-
	210.116.0.0/18	-
	210.116.128.0/17	CJcablenet
	210.118.131.0/24	MPC Garakdong
	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
	210.126.128.0/17	Seoul Dairy Co
	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	-
	211.36.204.0/22	-
	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	-
	211.111.144.0/20	-
	211.115.192.0/19	SEJONG NETWORKS
	211.116.176.0/20	-
	211.116.191.0/24	-
	211.116.192.0/20	-
	211.189.160.0/19	-
	211.189.164.0/24	-
	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	-
	211.238.0.0/20	Hostway
	211.238.16.0/20	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	-
	211.255.240.0/20	CJcablenet
	2001:3a8::/32	SEJONG NETWORKS
	2001:cf0::/32	SEJONG NETWORKS

Peers: 105

Upstreams: 9

Downstreams: 48 (Cone: 65)

Network Policy

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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	✔	✘
AS138195	MOACK.Co.LTD	✔	✘
AS15412	Flag Telecom UK Limited	✔	✘
AS4637	Telstra Global	✔	✘
AS3786	LG DACOM Corporation	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS23764	China Telecom Global	✔	✘
AS7562	HCN Dongjak	✔	✘
AS3491	PCCW Global, Inc.	✔	✘
AS4670	Shinbiro	✔	✘
AS58453	China Mobile International	✔	✘
AS4766	Korea Telecom	✔	✘
AS18300	KEPCO	✔	✘
AS9952	Hostway IDC	✔	✘
AS131866	Digital Edge Korea	✔	✔
AS15412	Flag Telecom UK Limited	✔	✘
AS17608	ABN	✔	✘
AS6453	TATA Communications (America) Inc	✔	✘
AS4637	Telstra Global	✔	✘
AS10036	DLIVE	✔	✘
AS138195	MOACK.Co.LTD	✔	✘
AS45374	CCS	✔	✘
AS9781	GREEN CABLE TELEVISION STATION	✔	✘
AS10049	SK Co.,	✔	✘
AS17837	NHN KCP Corp.	✔	✘
AS23588	KAKAO Enterprise	✔	✘
AS17833	NCOM ltd.	✔	✘
AS4664	Shinbiro	✔	✘
AS9973	BSITC	✔	✘
AS9842	LOTTE INNOVATE Co.,Ltd	✔	✘
AS10171	SKTelink	✔	✘
AS131826	hy	✔	✘
AS3608	Korea Rural Community Corporation	✔	✘
AS9976	Namincheon Brodcasting Co., Ltd.	✔	✘
AS38106	Korea Security Technology Co., Ltd.	✔	✘
AS18305	POSCO DX	✔	✘
AS9959	KOREA STOCK EXCHANGE	✔	✘
AS23593	bkl LLC	✔	✘
AS9646	eGIOS	✔	✘
AS137409	GSL Networks Pty LTD	✔	✘
AS38686	Tmoney co., ltd	✔	✘
AS45977	CANON KOREA INC.	✔	✘
AS134823	Sky Digital Co., Ltd.	✔	✘
AS2635	Automattic, Inc	✔	✘
AS17592	Industrial Bank of Korea	✔	✘
AS6939	Hurricane Electric LLC	✔	✔
AS18294	SUHYUP BANK	✔	✘
AS20940	Akamai International B.V.	✔	✔
AS49544	i3D.net B.V	✔	✘
AS8075	Microsoft Corporation	✔	✘
AS202662	Hytron Network Services Limited	✔	✘
AS10111	Zeofast Network	✔	✘
AS18309	Korea VAn Service Co.LTD	✔	✘
AS4651	The Communications Authority of Thailand (CAT)	✔	✘
AS131820	HMM	✔	✘
AS9527	VP	✔	✘
AS1828	Unitas Global	✔	✘
AS45971	Financial Security Institute	✔	✘
AS45968	KONAI	✔	✘
AS955	LSHIY LLC	✔	✘
AS9493	HMC SECURITIES CO., LTD.	✔	✘
AS63927	RISE	✔	✘
AS38195	Superloop	✔	✘
AS24115	Equinix IX	✔	✘
AS7713	PT Telkom Indonesia Tbk	✔	✘
AS8966	Etisalat (ETC)	✔	✘
AS3786	LG DACOM Corporation	✔	✔
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.	✔	✘
AS18317	SHINHAN DS	✔	✘
AS24509	Xpedite Systems Electronic document distribution and ...	✔	✘
AS10193	BUSANBANK	✔	✘
AS131828	KAKAO Enterprise	✔	✘
AS9577	KYOBO SECURITIES	✔	✘
AS9886	CTCSCI TECH LIMITED	✔	✘
AS140096	JINX CO., LIMITED	✔	✘
AS398465	Rackdog LLC	✔	✘
AS13335	Cloudflare, Inc.	✔	✘
AS24482	SG.GS	✔	✘
AS53616	Asymptote Network LLC	✔	✘
AS9318	SK Broadband Co Ltd	✔	✔
AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
AS15169	Google LLC	✔	✔
AS9709	KIS Information Communication,Inc	✔	✘
AS10158	Kakao Corp	✔	✘
AS152220	Hanwha Asset Management	✔	✘
AS38098	NICEPAYMENTS.CO	✔	✘
AS55591	Korea Institute for Curriculum and Evaluation	✔	✘
AS138997	Eons Data Communications Limited	✔	✘
AS9286	KINX	✔	✔
AS38107	CDNetworks	✔	✘
AS139070	Google Cloud Korea	✔	✘
AS132337	Axclusive	✔	✘
AS54994	Meteverse Limited	✔	✘
AS18187	Source Telecoms Inc.	✔	✘
AS21859	Zenlayer Inc	✔	✘
AS35280	F5 Networks SARL	✔	✘
AS9505	Taiwan Internet Gateway	✔	✘
AS9632	SEOUL DAIRY CO-OP.	✔	✘
AS4862	Orange Business AS for Asia	✔	✘
AS4455	IX Reach Ltd	✔	✘
AS38425	SEJONG NETWORKS	✔	✘
AS9498	Bharti Airtel Ltd.	✔	✘
AS9492	Maeil Business Newspaper	✔	✘
AS1781	Korea Advanced Institute of Science and Technology	✔	✘
AS38667	KakaoBank Corp.	✔	✘
AS198148	Gateway Communications	✔	✘
AS45701	PT Internet Madju Abad Milenindo	✔	✘
AS38091	LG HelloVision Corp.	✔	✘
AS137557	International gateway co., Ltd	✔	✘
AS3223	Voxility LLP	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS7562	HCN Dongjak	✔	✘
AS4670	Shinbiro	✔	✘
AS18300	KEPCO	✔	✘
AS9952	Hostway IDC	✔	✘
AS10036	DLIVE	✔	✘
AS131866	Digital Edge Korea	✔	✘
AS17608	ABN	✔	✘
AS45374	CCS	✔	✘
AS23588	KAKAO Enterprise	✔	✘
AS10049	SK Co.,	✔	✘
AS9842	LOTTE INNOVATE Co.,Ltd	✔	✘
AS9976	Namincheon Brodcasting Co., Ltd.	✔	✘
AS10171	SKTelink	✔	✘
AS18305	POSCO DX	✔	✘
AS3608	Korea Rural Community Corporation	✔	✘
AS20940	Akamai International B.V.	✔	✘
AS38106	Korea Security Technology Co., Ltd.	✔	✘
AS9959	KOREA STOCK EXCHANGE	✔	✘
AS38686	Tmoney co., ltd	✔	✘
AS23593	bkl LLC	✔	✘
AS45977	CANON KOREA INC.	✔	✘
AS45971	Financial Security Institute	✔	✘
AS9493	HMC SECURITIES CO., LTD.	✔	✘
AS131820	HMM	✔	✘
AS45968	KONAI	✔	✘
AS18317	SHINHAN DS	✔	✘
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.	✔	✘
AS131828	KAKAO Enterprise	✔	✘
AS10193	BUSANBANK	✔	✘
AS152220	Hanwha Asset Management	✔	✘
AS38098	NICEPAYMENTS.CO	✔	✘
AS4766	Korea Telecom	✔	✘
AS138195	MOACK.Co.LTD	✔	✘
AS131826	hy	✔	✘
AS17592	Industrial Bank of Korea	✔	✘
AS17833	NCOM ltd.	✔	✘
AS17837	NHN KCP Corp.	✔	✘
AS18294	SUHYUP BANK	✔	✘
AS18309	Korea VAn Service Co.LTD	✔	✘
AS24509	Xpedite Systems Electronic document distribution and ...	✔	✘
AS4664	Shinbiro	✔	✘
AS55591	Korea Institute for Curriculum and Evaluation	✔	✘
AS9527	VP	✔	✘
AS9577	KYOBO SECURITIES	✔	✘
AS9646	eGIOS	✔	✘
AS9709	KIS Information Communication,Inc	✔	✘
AS9781	GREEN CABLE TELEVISION STATION	✔	✘
AS9973	BSITC	✔	✘

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: 2025-04-16T03:22:14Z UTC

Member of the following AS-SETs

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

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

View

Upstreams

Rankings

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points