61.100.2.0/24

AS9952 · Hostway IDC

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Summary

Country	South Korea
Domain	sejongnetworks.com
ASN	AS9952
Parent Range	61.100.0.0/17
Registry	APNIC
ID	SEJONG-KR

WHOIS Details

inetnum:        61.100.0.0 - 61.100.127.255
netname:        SEJONG
descr:          SEJONG NETWORKS
country:        KR
admin-c:        IM686-AP
tech-c:         IM686-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T05:34:02Z
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:         IP Manager
address:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IM686-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-09-10T08:42:02Z
source:         APNIC

inetnum:        61.100.0.0 - 61.100.127.255
netname:        SEJONG-KR
descr:          SEJONG NETWORKS
country:        KR
admin-c:        IA10-KR
tech-c:         IM10-KR
status:         ALLOCATED PORTABLE
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:         IP Manager
address:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address:        (Galhyeondong)
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IA10-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:         IP Manager
address:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address:        (Galhyeondong)
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IM10-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

Overlapping Ranges

BGP prefixes that contain 61.100.2.0/24

Range	ASN	Company	Num of IPs
61.100.0.0/17	AS9947	SEJONG NETWORKS	32,768
61.100.0.0/17	AS9952	SEJONG NETWORKS	32,768
61.100.0.0/17	AS214432	SEJONG NETWORKS	32,768
61.100.0.0/17	AS152294	SEJONG NETWORKS	32,768
61.100.0.0/17	AS9848	SEJONG NETWORKS	32,768

Nearby Ranges

BGP prefixes that overlap with 61.100.0.0/16

Range	ASN	Company	Num of IPs
61.100.0.0/17	AS9947	SEJONG NETWORKS	32,768
61.100.0.0/17	AS9848	SEJONG NETWORKS	32,768
61.100.0.0/17	AS152294	SEJONG NETWORKS	32,768
61.100.0.0/17	AS214432	SEJONG NETWORKS	32,768
61.100.0.0/17	AS9952	SEJONG NETWORKS	32,768
61.100.128.0/18	AS9952	SEJONG NETWORKS	16,384
61.100.128.0/18	AS9848	SEJONG NETWORKS	16,384
61.100.192.0/19	AS18310	SK Broadband Co Ltd	8,192
61.100.40.0/21	AS131866	Digital Edge Korea	2,048
61.100.48.0/21	AS131866	Digital Edge Korea	2,048
61.100.240.0/21	AS45372	ULNetworks Co., Ltd.	2,048
61.100.29.0/24	AS38676	FLEXNET	256
61.100.28.0/24	AS38676	FLEXNET	256
61.100.27.0/24	AS38676	FLEXNET	256
61.100.26.0/24	AS38676	FLEXNET	256
61.100.12.0/24	AS9952	Hostway	256
61.100.25.0/24	AS38676	FLEXNET	256
61.100.13.0/24	AS9952	Hostway	256
61.100.183.0/24	AS9952	Hostway	256
61.100.185.0/24	AS9952	Hostway	256
61.100.186.0/24	AS9952	Hostway	256

Hosted domains

There are 15 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
61.100.2.101	lifeday.co.kr	5
61.100.2.18	nklb2b.co.kr	3
61.100.2.74	fullinkey.co.kr	2
61.100.2.79	infix.co.kr	2
61.100.2.135	gnpsoft.com	1
61.100.2.86	infix.co.kr	1
61.100.2.216	jp-invest.co.kr	1
61.100.2.113	kurifnv.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
61.100.2.84	AS9952 Hostway IDC	`1.07ms` 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
210.84.54.104	AS7545 TPG Telecom Limited	`1.76ms` from Brisbane, AU
212.40.90.40	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`2.59ms` from Budapest, HU
1.14.37.120	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.79ms` from Chengdu, CN
158.26.40.8	AS1766 Exxon Mobil Corporation	`1.22ms` from Dallas, US
61.108.219.184	AS9316 DACOM-PUBNETPLUS	`2.01ms` from Incheon, KR
67.227.250.168	AS32244 Liquid Web, L.L.C	`0.16ms` from Lansing, US
95.95.50.72	AS2860 NOS COMUNICACOES, S.A.	`7.70ms` from Lisbon, PT
191.19.159.168	AS27699 TELEFÔNICA BRASIL S.A	`2.23ms` from Osasco, BR
203.17.59.248	AS4826 Vocus Connect International Backbone	`0.76ms` from Perth, AU
193.248.190.56	AS3215 Orange S.A.	`1.64ms` from Saint-Denis, FR
154.244.86.248	AS36947 Telecom Algeria	`8.65ms` from Valencia, ES
115.166.21.120	AS7545 TPG Telecom Limited	`12.39ms` from Adelaide, AU
99.133.170.120	AS7018 AT&T Enterprises, LLC	`5.48ms` from Atlanta, US
52.42.181.232	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
186.208.236.232	AS28131 NET.COM PROVEDOR DE INTERNET	`9.83ms` from Campina Grande, BR
223.149.157.88	AS4134 CHINANET-BACKBONE	`7.46ms` from Changsha, CN
2.101.81.8	AS13285 TalkTalk Communications Limited	`1.79ms` from Erith, GB
73.145.175.24	AS7922 Comcast Cable Communications, LLC	`11.29ms` from Flint, US
106.52.240.104	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.22ms` from Guangzhou, CN
23.55.54.40	AS9121 Turk Telekomunikasyon Anonim Sirketi	`0.57ms` from Istanbul, TR
75.220.20.72	AS6167 Verizon Business	`11.38ms` from Miami, US
47.12.73.40	AS20115 Charter Communications LLC	`16.02ms` from Milwaukee, US
189.183.185.40	AS8151 UNINET	`7.42ms` from Monterrey, MX
5.132.224.136	AS35753 ITC AS number	`1.53ms` from Riyadh, SA
191.193.68.200	AS27699 TELEFÔNICA BRASIL S.A	`4.32ms` from Sao Paulo, BR

Traceroute

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

traceroute -a -n -q1 61.100.2.37

traceroute to 61.100.2.37 (61.100.2.37): 64 hops max, 52 byte packets

1 [AS15169] 172.253.64.143 0.772 ms

2 [AS9848] 61.250.82.89 1.182 ms

3 [AS9848] 211.115.197.157 0.795 ms

4 [AS9848] 61.109.130.162 1.503 ms

5 *

6 [AS9952] 61.100.180.205 1.554 ms

7 *

8 [AS9952] 61.100.2.37 1.736 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On February 16th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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