210.103.242.0/24

AS10158 · Kakao Corp

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	South Korea
Domain	sejongnetworks.com
ASN	AS10158
Parent Range	210.103.128.0/17
Registry	APNIC
ID	KRNIC-KR

WHOIS Details

inetnum:        210.103.224.0 - 210.103.255.255
netname:        KRNIC-KR
descr:          KRNIC
descr:          Korea Network Information Center
country:        KR
admin-c:        HM127-AP
tech-c:         HM127-AP
remarks:        ******************************************
remarks:        KRNIC is the National Internet Registry
remarks:        in Korea under APNIC. If you would like to
remarks:        find assignment information in detail
remarks:        please refer to the KRNIC Whois DB
remarks:        http://whois.nic.or.kr/english/index.html
remarks:        ******************************************
mnt-by:         MNT-KRNIC-AP
mnt-lower:      MNT-KRNIC-AP
status:         ALLOCATED PORTABLE
last-modified:  2017-12-20T07:17:13Z
source:         APNIC
mnt-irt:        IRT-KRNIC-KR

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:         Host Master
address:        Jeollanam-do Naju-si Jinheung-gil
country:        KR
phone:          +82-2-405-5118
e-mail:         hostmaster@nic.or.kr
nic-hdl:        HM127-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2019-05-22T01:20:31Z
source:         APNIC

inetnum:        210.103.128.0 - 210.103.255.255
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
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:        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 210.103.242.0/24

Range	ASN	Company	Num of IPs
210.103.128.0/17	AS23593	SEJONG NETWORKS	32,768
210.103.128.0/17	AS9848	SEJONG NETWORKS	32,768

Nearby Ranges

BGP prefixes that overlap with 210.103.0.0/16

Range	ASN	Company	Num of IPs
210.103.128.0/17	AS23593	SEJONG NETWORKS	32,768
210.103.128.0/17	AS9848	SEJONG NETWORKS	32,768
210.103.187.0/24	AS131866	Its-in	256
210.103.152.0/24	AS38676	FLEXNET	256
210.103.137.0/24	AS131866	Its-in	256
210.103.154.0/24	AS38676	FLEXNET	256
210.103.155.0/24	AS38676	FLEXNET	256
210.103.176.0/24	AS38676	FLEXNET	256
210.103.153.0/24	AS38676	FLEXNET	256
210.103.138.0/24	AS131866	Its-in	256

Hosted domains

There are no domains currently hosted on this ASN.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
167.114.122.136	AS16276 OVH SAS	`0.07ms` from Beauharnois, CA
104.86.42.232	AS16625 Akamai Technologies, Inc.	`0.34ms` from Berlin, DE
3.129.124.8	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
3.132.176.88	AS16509 Amazon.com, Inc.	`0.13ms` from Columbus, US
40.86.89.24	AS8075 Microsoft Corporation	`0.36ms` from Des Moines, US
18.197.222.232	AS16509 Amazon.com, Inc.	`0.14ms` from Frankfurt am Main, DE
87.98.145.104	AS16276 OVH SAS	`0.07ms` from Gravelines, FR
1.14.245.104	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.17ms` from Guangzhou, CN
178.207.223.56	AS28840 PJSC TATTELECOM	`6.23ms` from Kazan, RU
94.133.11.136	AS2860 NOS COMUNICACOES, S.A.	`15.49ms` from Lisbon, PT
77.211.53.248	AS12430 VODAFONE ESPANA S.A.U.	`16.81ms` from Madrid, ES
38.180.222.24	AS58061 Scalaxy B.V.	`0.24ms` from Meppel, NL
85.36.58.40	AS3269 Telecom Italia S.p.A.	`2.35ms` from Milan, IT
81.166.250.72	AS29695 Lyse Tele AS	`9.18ms` from Oslo, NO
174.26.148.136	AS209 CenturyLink Communications, LLC	`2.33ms` from Phoenix, US
79.32.118.120	AS3269 Telecom Italia S.p.A.	`8.95ms` from Rende, IT
116.42.187.104	AS17858 LG POWERCOMM	`2.69ms` from Seoul, KR
218.41.224.136	AS2527 Sony Network Communications Inc.	`1.84ms` from Tokyo, JP
34.17.70.168	AS396982 Google LLC	`0.10ms` from Turin, IT
77.166.206.200	AS1136 KPN B.V.	`3.67ms` from Amsterdam, NL
57.154.209.184	AS8075 Microsoft Corporation	`0.57ms` from Ashburn, US
24.88.28.24	AS11426 Charter Communications Inc	`6.88ms` from Charlotte, US
54.75.127.168	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
18.192.213.216	AS16509 Amazon.com, Inc.	`0.13ms` from Frankfurt am Main, DE
203.208.200.8	AS7473 Singapore Telecommunications Ltd	`0.87ms` from Hong Kong, HK

Traceroute

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

traceroute -a -n -q1 -f2 -m5 210.103.242.31

traceroute to 210.103.242.31 (210.103.242.31): 5 hops max, 52 byte packets

2 [AS395463] 8.47.34.194 0.686 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Murfreesboro, US

On January 30th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales