Autonomous System details

AS9848

SEJONG NETWORKS · sejongtelecom.net

South Korea

BitTorrent

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AS9848 – SEJONG NETWORKS

Field	Value
Country	South Korea
Website	sejongtelecom.net
Hosted domains	19,791
IPv4 addresses	990,464
IPv6 addresses	158,456,325,028,528,675,187,087,900,672
ASN type	ISP
Registry	apnic
Updated	a year ago on Sep 10, 2024

Netblock	Company	Num of IPs
203.227.0.0/16	SEJONG NETWORKS	65,536
203.231.0.0/16	SEJONG NETWORKS	65,536
210.109.0.0/16	SEJONG NETWORKS	65,536
210.122.0.0/16	SEJONG NETWORKS	65,536
61.100.0.0/17	SEJONG NETWORKS	32,768
61.109.128.0/17	SEJONG NETWORKS	32,768
203.235.0.0/17	SEJONG NETWORKS	32,768
203.238.0.0/17	SEJONG NETWORKS	32,768
203.239.0.0/17	SEJONG NETWORKS	32,768
203.243.128.0/17	SEJONG NETWORKS	32,768
203.248.0.0/17	SEJONG NETWORKS	32,768
210.103.128.0/17	SEJONG NETWORKS	32,768
210.112.0.0/17	SEJONG NETWORKS	32,768
210.116.128.0/17	SEJONG NETWORKS	32,768
210.121.0.0/17	SEJONG NETWORKS	32,768
210.126.128.0/17	SEJONG NETWORKS	32,768
211.239.0.0/17	SEJONG NETWORKS	32,768
61.100.128.0/18	SEJONG NETWORKS	16,384
61.250.64.0/18	SEJONG NETWORKS	16,384
203.235.128.0/18	SEJONG NETWORKS	16,384
203.236.128.0/18	SEJONG NETWORKS	16,384
210.98.64.0/18	SEJONG NETWORKS	16,384
210.116.0.0/18	SEJONG NETWORKS	16,384
210.127.64.0/18	SEJONG NETWORKS	16,384
210.127.128.0/18	SEJONG NETWORKS	16,384
211.239.128.0/18	SEJONG NETWORKS	16,384
211.239.192.0/18	SEJONG NETWORKS	16,384
203.227.32.0/19	SEJONG NETWORKS	8,192
203.231.224.0/19	INET	8,192
203.255.128.0/19	SEJONG NETWORKS	8,192
210.112.32.0/19	SEJONG NETWORKS	8,192
210.112.64.0/19	SEJONG NETWORKS	8,192
211.36.192.0/19	SEJONG NETWORKS	8,192
211.39.160.0/19	SEJONG NETWORKS	8,192
211.43.160.0/19	SEJONG NETWORKS	8,192
211.56.192.0/19	SEJONG NETWORKS	8,192
211.115.192.0/19	SEJONG NETWORKS	8,192
211.189.160.0/19	SEJONG NETWORKS	8,192
211.236.224.0/19	SEJONG NETWORKS	8,192
61.97.64.0/20	SEJONG NETWORKS	4,096
61.97.96.0/20	SEJONG NETWORKS	4,096
61.252.160.0/20	SEJONG NETWORKS	4,096
61.252.176.0/20	SEJONG NETWORKS	4,096
64.23.64.0/20	Hostway-KR	4,096
203.227.176.0/20	MOACK	4,096
203.235.144.0/20	SEJONG NETWORKS	4,096
203.236.144.0/20	Ezville-LGmetro	4,096
203.248.80.0/20	SEJONG NETWORKS	4,096
210.112.16.0/20	SEJONG NETWORKS	4,096
211.36.208.0/20	Vista	4,096
211.111.128.0/20	SEJONG NETWORKS	4,096
211.111.144.0/20	SEJONG NETWORKS	4,096
211.116.176.0/20	SEJONG NETWORKS	4,096
211.116.192.0/20	Vista	4,096
211.172.96.0/20	SEJONG NETWORKS	4,096
211.236.224.0/20	SEJONG NETWORKS	4,096
211.238.0.0/20	SEJONG NETWORKS	4,096
211.238.16.0/20	SEJONG NETWORKS	4,096
211.255.224.0/20	SEJONG NETWORKS	4,096
211.255.240.0/20	SEJONG NETWORKS	4,096
61.97.96.0/21	SEJONG NETWORKS	2,048
66.232.136.0/21	Hostway-KR	2,048
203.231.104.0/21	EZVILLE	2,048
203.243.128.0/21	SEJONG NETWORKS	2,048
210.109.200.0/21	CYMEN	2,048
210.126.224.0/21	SEJONG NETWORKS	2,048
210.127.64.0/21	SEJONG NETWORKS	2,048
211.111.144.0/21	SEJONG NETWORKS	2,048
211.172.104.0/21	SEJONG NETWORKS	2,048
211.189.168.0/21	Jinnamcable	2,048
211.238.16.0/21	CJCABLEHAEWONDAEKIJANG	2,048
211.255.240.0/21	SEJONG NETWORKS	2,048
66.232.140.0/22	Hostway-KR	1,024
66.232.144.0/22	Hostway-KR	1,024
203.235.96.0/22	ILINKKOREA CO. LTD	1,024
203.255.116.0/22	SEJONG NETWORKS	1,024
211.36.192.0/22	dewsystem	1,024
211.36.196.0/22	SEJONG NETWORKS	1,024
211.36.200.0/22	dewsystem	1,024
211.36.204.0/22	dewsystem	1,024
211.236.224.0/22	RayTelecom	1,024
211.236.232.0/22	SEJONG NETWORKS	1,024
211.236.236.0/22	dewsystem	1,024
203.238.38.0/23	dewsystem	512
203.255.112.0/23	SEJONG NETWORKS	512
210.122.230.0/23	SEJONG NETWORKS	512
58.180.7.0/24	SEJONG NETWORKS	256
58.180.133.0/24	HYUNDAI C&R HDS	256
61.97.96.0/24	SEJONG NETWORKS	256
61.111.179.0/24	Canon Korea Business Solution Headquaters	256
202.30.209.0/24	SEJONG NETWORKS	256
202.30.210.0/24	SEJONG NETWORKS	256
202.30.212.0/24	SEJONG NETWORKS	256
202.30.213.0/24	SEJONG NETWORKS	256
202.30.217.0/24	SEJONG NETWORKS	256
202.30.232.0/24	SEJONG NETWORKS	256
202.30.233.0/24	SEJONG NETWORKS	256
202.30.234.0/24	SEJONG NETWORKS	256
202.30.235.0/24	SEJONG NETWORKS	256
202.30.236.0/24	SEJONG NETWORKS	256
202.30.237.0/24	SEJONG NETWORKS	256
202.30.238.0/24	SEJONG NETWORKS	256
202.30.239.0/24	SEJONG NETWORKS	256
202.30.240.0/24	SEJONG NETWORKS	256
202.30.241.0/24	SEJONG NETWORKS	256
202.30.242.0/24	SEJONG NETWORKS	256
202.30.243.0/24	SEJONG NETWORKS	256
202.30.249.0/24	SEJONG NETWORKS	256
203.227.49.0/24	SEJONG NETWORKS	256
203.227.51.0/24	SEJONG NETWORKS	256
203.227.62.0/24	SEJONG NETWORKS	256
203.227.184.0/24	MOACK	256
203.227.189.0/24	MOACK	256
203.231.242.0/24	SEJONG NETWORKS	256
203.231.245.0/24	SEJONG NETWORKS	256
203.231.254.0/24	SEJONG NETWORKS	256
203.235.185.0/24	SEJONG NETWORKS	256
203.236.144.0/24	SEJONG NETWORKS	256
203.236.148.0/24	SEJONG NETWORKS	256
203.236.150.0/24	SEJONG NETWORKS	256
203.236.151.0/24	SEJONG NETWORKS	256
203.236.154.0/24	Ezville-Seuksu	256
203.236.157.0/24	Ezville-LGmetro	256
203.236.158.0/24	Ezville-LGmetro	256
203.240.132.0/24	SEJONG NETWORKS	256
203.240.133.0/24	SEJONG NETWORKS	256
203.240.134.0/24	SEJONG NETWORKS	256
203.240.144.0/24	SEJONG NETWORKS	256
203.240.145.0/24	SEJONG NETWORKS	256
203.240.146.0/24	SEJONG NETWORKS	256
203.240.147.0/24	SEJONG NETWORKS	256
203.240.148.0/24	SEJONG NETWORKS	256
203.240.153.0/24	SEJONG NETWORKS	256
203.240.194.0/24	SEJONG NETWORKS	256
203.240.244.0/24	SEJONG NETWORKS	256
203.248.82.0/24	SEJONG NETWORKS	256
203.248.85.0/24	SEJONG NETWORKS	256
203.248.87.0/24	SEJONG NETWORKS	256
203.248.88.0/24	SEJONG NETWORKS	256
203.248.89.0/24	SEJONG NETWORKS	256
203.248.91.0/24	SEJONG NETWORKS	256
203.248.93.0/24	SEJONG NETWORKS	256
203.251.246.0/24	SEJONG NETWORKS	256
203.251.249.0/24	SEJONG NETWORKS	256
203.251.250.0/24	SEJONG NETWORKS	256
203.251.252.0/24	SEJONG NETWORKS	256
203.251.253.0/24	SEJONG NETWORKS	256
210.118.135.0/24	HYUNDAI DATA SYSTEM	256
210.118.138.0/24	SEJONG NETWORKS	256
210.118.236.0/24	SEJONG NETWORKS	256
210.118.237.0/24	SEJONG NETWORKS	256
211.116.191.0/24	SEJONG NETWORKS	256
211.189.164.0/24	SEJONG NETWORKS	256
211.190.5.0/24	SEJONG NETWORKS	256
211.190.37.0/24	Lotte Capital	256
211.239.201.0/24	SEJONG NETWORKS	256
211.239.202.0/24	SEJONG NETWORKS	256
211.239.236.0/24	SEJONG NETWORKS	256

Netblock	Company
2001:3a8::/32	SEJONG NETWORKS
2001:cf0::/32	SEJONG NETWORKS

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IP Ranges API

WHOIS Details

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                                                ASHandle:       AS9848
                                                OrgID:          AS9848
                                                ASName:         AS9848
                                                ASNumber:       AS9848
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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IP WHOIS API & Database

Hosted Domains

There are 19,791 domain names hosted across 2,464 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
203.227.189.88	██████████	259
203.231.248.57	██████████	167
203.227.189.156	██████████	167
203.231.248.168	██████████	167
203.231.248.229	██████████	167
203.227.189.213	██████████	167
203.227.189.197	██████████	136
203.227.160.21	██████████	114
210.122.11.217	██████████	113
203.239.11.7	██████████	104

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Hosted Domains API & Database

Peers

There are 83 peers for this ASN.

Peers	Name
AS10036	DLIVE
AS10049	SK Co.,
AS10171	SKTelink
AS10193	BUSANBANK
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.
AS131820	HMM
AS131826	hy
AS131828	KAKAO Enterprise
AS131866	Digital Edge Korea
AS132337	Axclusive
AS134823	Sky Digital Co., Ltd.
AS137409	GSL Networks Pty LTD
AS138195	MOACK.Co.LTD
AS139341	ACE
AS142271	EWS DS Networks Inc
AS14537	Continent 8 LLC
AS152220	Hanwha Asset Management
AS152294	KIS Information Communication,Inc
AS15412	FLAG TELECOM UK LIMITED
AS17592	Industrial Bank of Korea
AS17608	ABN
AS17833	NCOM ltd.
AS17837	NHN KCP Corp.
AS18294	SUHYUP BANK
AS18300	KEPCO
AS18305	POSCO DX
AS18309	Korea VAn Service Co.LTD
AS18317	SHINHAN DS
AS18403	FPT Telecom Company
AS20940	Akamai International B.V.
AS23588	KAKAO Enterprise
AS23593	bkl LLC
AS23764	CTGNet
AS24115	Equinix
AS24482	SG.GS
AS24509	Xpedite Systems Electronic document distribution and data messaging service provider Seoul, Korea
AS3491	PCCW Global, Inc.
AS35280	F5 Networks SARL
AS3608	Korea Rural Community Corporation
AS38098	NICE Information Telecommunication, Inc
AS38106	Korea Security Technology Co., Ltd.
AS38195	Superloop
AS38425	SEJONG NETWORKS
AS38676	flexnetworks
AS38686	Tmoney co., ltd
AS45361	Ulsan Jung-Ang Broadcasting Network
AS45374	CCS
AS45968	KONAI
AS45971	Financial Security Institute
AS45977	CANON KOREA INC.
AS4637	Telstra Global
AS4664	Shinbiro
AS4670	Shinbiro
AS4766	Korea Telecom
AS48266	Catixs Ltd
AS49544	i3D.net B.V
AS55591	Korea Institute for Curriculum and Evaluation
AS5580	GTT Communications Netherlands B.V.
AS58453	China Mobile International Limited
AS59318	SINET Fiber One, Cambodia's Fastest Broadband Service.
AS63927	RISE
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS6939	Hurricane Electric LLC
AS7562	HCN Dongjak
AS7713	PT Telekomunikasi Indonesia
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9002	RETN Limited
AS9318	SK Broadband Co Ltd
AS9493	HMC SECURITIES CO., LTD.
AS9498	BHARTI Airtel Ltd.
AS9505	Taiwan Internet Gateway
AS9527	VP
AS955	LSHIY LLC
AS9577	KYOBO SECURITIES
AS9646	eGIOS
AS9709	KIS Information Communication,Inc
AS9781	GREEN CABLE TELEVISION STATION
AS9842	LOTTE INNOVATE Co.,Ltd
AS9947	kt cloud Co., Ltd
AS9952	Hostway IDC
AS9959	KOREA STOCK EXCHANGE
AS9973	BSITC
AS9976	Namincheon Brodcasting Co., Ltd.

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ASN API & Database

Upstreams

There are 7 upstreams for this ASN.

upstreams	Name
AS15412	FLAG TELECOM UK LIMITED
AS23764	CTGNet
AS3491	PCCW Global, Inc.
AS4637	Telstra Global
AS4766	Korea Telecom
AS58453	China Mobile International Limited
AS6453	TATA COMMUNICATIONS (AMERICA) INC

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ASN API & Database

Downstreams

There are 50 downstreams for this ASN.

Downstreams	Name
AS10036	DLIVE
AS10049	SK Co.,
AS10171	SKTelink
AS10193	BUSANBANK
AS131794	KYOBO AXA INVESTMENT MANAGERS Co., Ltd.
AS131820	HMM
AS131826	hy
AS131828	KAKAO Enterprise
AS131866	Digital Edge Korea
AS139341	ACE
AS152220	Hanwha Asset Management
AS152294	KIS Information Communication,Inc
AS17592	Industrial Bank of Korea
AS17608	ABN
AS17833	NCOM ltd.
AS17837	NHN KCP Corp.
AS18294	SUHYUP BANK
AS18300	KEPCO
AS18305	POSCO DX
AS18309	Korea VAn Service Co.LTD
AS18317	SHINHAN DS
AS23588	KAKAO Enterprise
AS23593	bkl LLC
AS24509	Xpedite Systems Electronic document distribution and data messaging service provider Seoul, Korea
AS3608	Korea Rural Community Corporation
AS38098	NICE Information Telecommunication, Inc
AS38106	Korea Security Technology Co., Ltd.
AS38676	flexnetworks
AS38686	Tmoney co., ltd
AS45361	Ulsan Jung-Ang Broadcasting Network
AS45374	CCS
AS45968	KONAI
AS45971	Financial Security Institute
AS45977	CANON KOREA INC.
AS4664	Shinbiro
AS4670	Shinbiro
AS55591	Korea Institute for Curriculum and Evaluation
AS7562	HCN Dongjak
AS9493	HMC SECURITIES CO., LTD.
AS9527	VP
AS9577	KYOBO SECURITIES
AS9646	eGIOS
AS9709	KIS Information Communication,Inc
AS9781	GREEN CABLE TELEVISION STATION
AS9842	LOTTE INNOVATE Co.,Ltd
AS9947	kt cloud Co., Ltd
AS9952	Hostway IDC
AS9959	KOREA STOCK EXCHANGE
AS9973	BSITC
AS9976	Namincheon Brodcasting Co., Ltd.

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ASN API & Database

Pingable IPs

533 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
210.122.36.75	AS9848 SEJONG NETWORKS	`0.93ms` from Seoul, KR
203.235.147.25	AS9848 SEJONG NETWORKS	`3.74ms` from Seoul, KR
211.239.142.133	AS9848 SEJONG NETWORKS	`1.73ms` from Seoul, KR
210.109.51.31	AS9848 SEJONG NETWORKS	`7.03ms` from Seoul, KR
211.238.22.17	AS9848 SEJONG NETWORKS	`0.73ms` from Seoul, KR
210.118.138.3	AS9848 SEJONG NETWORKS	`1.24ms` from Seoul, KR
203.227.151.251	AS9848 SEJONG NETWORKS	`1.08ms` from Seoul, KR
210.112.73.46	AS9848 SEJONG NETWORKS	`0.86ms` from Seoul, KR
211.238.16.243	AS9848 SEJONG NETWORKS	`1.01ms` from Seoul, KR
203.236.154.1	AS9848 SEJONG NETWORKS	`1.25ms` from Seoul, KR
61.100.123.225	AS9848 SEJONG NETWORKS	`2.37ms` from Seoul, KR
203.227.177.19	AS9848 SEJONG NETWORKS	`0.78ms` from Seoul, KR
210.127.66.1	AS9848 SEJONG NETWORKS	`1.01ms` from Seoul, KR
202.30.237.254	AS9848 SEJONG NETWORKS	`1.21ms` from Seoul, KR
203.255.119.173	AS9848 SEJONG NETWORKS	`1.03ms` from Seoul, KR
211.172.108.1	AS9848 SEJONG NETWORKS	`1.03ms` from Seoul, KR
210.127.68.1	AS9848 SEJONG NETWORKS	`1.21ms` from Seoul, KR
210.126.206.253	AS9848 SEJONG NETWORKS	`1.29ms` from Seoul, KR
203.238.123.211	AS9848 SEJONG NETWORKS	`1.00ms` from Seoul, KR
61.250.69.19	AS9848 SEJONG NETWORKS	`7.50ms` from Seoul, KR
210.118.135.187	AS9848 SEJONG NETWORKS	`1.21ms` from Seoul, KR
203.231.105.195	AS9848 SEJONG NETWORKS	`0.77ms` from Seoul, KR
203.231.202.2	AS9848 SEJONG NETWORKS	`1.61ms` from Seoul, KR
210.109.17.169	AS9848 SEJONG NETWORKS	`6.38ms` from Seoul, KR
203.239.36.107	AS9848 SEJONG NETWORKS	`0.86ms` from Seoul, KR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
163.47.247.216	AS132255 PrimoWireless Ltd	`5.78ms` from Auckland, NZ
34.89.202.88	AS396982 Google LLC	`0.10ms` from Frankfurt am Main, DE
200.56.182.40	AS13999 Mega Cable, S.A. de C.V.	`5.40ms` from Guadalajara, MX
151.247.167.88	AS9304 HGC Global Communications Limited	`0.97ms` from Hong Kong, HK
5.83.212.8	AS2856 British Telecommunications PLC	`1.35ms` from London, GB
95.18.18.72	AS12479 Orange Espagne SA	`1.45ms` from Madrid, ES
73.180.182.8	AS7922 Comcast Cable Communications, LLC	`9.81ms` from Manassas, US
13.126.111.88	AS16509 Amazon.com, Inc.	`0.15ms` from Mumbai, IN
24.250.49.120	AS22773 Cox Communications Inc.	`8.88ms` from Providence, US
35.153.79.56	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
219.248.182.24	AS9318 SK Broadband Co Ltd	`2.12ms` from Seoul, KR
107.162.3.136	AS55002 F5, Inc.	`0.40ms` from Singapore, SG
84.40.86.248	AS8866 Vivacom Bulgaria EAD	`0.57ms` from Sofia, BG
37.97.218.56	AS20857 Signet B.V.	`0.59ms` from Amsterdam, NL
73.188.87.40	AS7922 Comcast Cable Communications, LLC	`7.15ms` from Ashburn, US
101.43.206.248	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.77ms` from Beijing, CN
109.133.222.184	AS5432 Proximus NV	`2.31ms` from Brussels, BE
172.78.183.40	AS5650 Frontier Communications of America, Inc.	`7.62ms` from Chicago, US
92.212.165.104	AS3209 Vodafone GmbH	`6.55ms` from Duesseldorf, DE
176.25.122.200	AS5607 Sky UK Limited	`9.21ms` from London, GB
95.237.165.56	AS3269 Telecom Italia S.p.A.	`1.55ms` from Milan, IT
73.29.166.40	AS7922 Comcast Cable Communications, LLC	`10.04ms` from New York City, US
54.232.218.24	AS16509 Amazon.com, Inc.	`0.13ms` from Osasco, BR
23.23.220.232	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
121.152.98.152	AS4766 Korea Telecom	`4.75ms` from Seoul, KR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f5 -m8 211.56.196.147

traceroute to 211.56.196.147 (211.56.196.147): 8 hops max, 52 byte packets

5 [] 185.1.240.37 8.317 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On December 6th 2025

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS9848 at robtex.

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