210.103.246.0/24

AS10158 · Kakao Corp

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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 210.103.246.0/24

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
178.40.127.168	AS6855 Slovak Telekom, a.s.	`7.51ms` from Bratislava, SK
174.101.171.72	AS10796 Charter Communications Inc	`12.57ms` from Cleveland, US
87.36.162.8	AS1213 ASIERA TECHNOLOGY SERVICES CLG	`3.12ms` from Dublin, IE
219.241.211.72	AS9318 SK Broadband Co Ltd	`6.09ms` from Incheon, KR
178.150.248.232	AS13188 CONTENT DELIVERY NETWORK LTD	`3.94ms` from Kyiv, UA
198.52.46.152	AS60241 High-Speed Universal Broadband Services C.I.C.	`6.18ms` from Manchester, GB
189.139.59.136	AS8151 UNINET	`1.72ms` from Mexico City, MX
95.107.41.200	AS41134 PJSC Rostelecom	`15.48ms` from Moscow, RU
201.83.151.8	AS28573 Claro NXT Telecomunicacoes Ltda	`1.76ms` from Osasco, BR
98.92.164.104	AS14618 Amazon.com, Inc.	`0.16ms` from Reston, US
63.203.195.232	AS7018 AT&T Enterprises, LLC	`1.57ms` from San Jose, US
67.115.189.72	AS7018 AT&T Enterprises, LLC	`4.26ms` from San Jose, US
111.176.90.216	AS4134 CHINANET-BACKBONE	`7.53ms` from Wuhan, CN
91.58.3.56	AS3320 Deutsche Telekom AG	`2.49ms` from Berlin, DE
24.168.255.56	AS11426 Charter Communications Inc	`12.34ms` from Charlotte, US
219.222.231.136	AS4538 China Education and Research Network Center	`2.10ms` from Guangzhou, CN
168.188.99.168	AS18298 Chungnam National University	`3.26ms` from Incheon, KR
188.159.241.40	AS34779 T-2, d.o.o.	`1.74ms` from Ljubljana, SI
35.203.86.184	AS396982 Google LLC	`0.11ms` from Montreal, CA
27.81.137.248	AS2516 KDDI CORPORATION	`18.09ms` from Osaka, JP
190.92.188.88	AS55293 A2 Hosting, Inc.	`0.09ms` from Phoenix, US
112.245.211.40	AS4837 CHINA UNICOM China169 Backbone	`7.48ms` from Qingdao, CN
52.54.17.40	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
98.84.181.40	AS14618 Amazon.com, Inc.	`0.47ms` from Reston, US
46.235.139.88	AS197589 Alfanews S.r.l.	`5.96ms` from Rome, IT

Traceroute

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

traceroute -a -n -q1 -m4 210.103.246.74

traceroute to 210.103.246.74 (210.103.246.74): 4 hops max, 52 byte packets

1 [AS136258] 103.97.203.1 68.816 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Mumbai, IN

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.

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