210.103.245.0/24

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 210.103.245.0/24

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
202.170.76.104	AS401362 HOST4NERD LLC	`7.49ms` from Ashburn, US
122.155.77.168	AS9931 National Telecom Public Company Limited	`0.49ms` from Bangkok, TH
109.102.66.200	AS9050 Orange Romania S.A.	`17.43ms` from Bucharest, RO
200.44.45.8	AS8048 CANTV Servicios, Venezuela	`0.90ms` from Caracas, VE
34.254.221.248	AS16509 Amazon.com, Inc.	`0.42ms` from Dublin, IE
43.199.181.24	AS16509 Amazon.com, Inc.	`0.15ms` from Hong Kong, HK
176.49.66.136	AS12389 PJSC Rostelecom	`0.90ms` from Krasnoyarsk, RU
20.90.217.200	AS8075 Microsoft Corporation	`0.23ms` from London, GB
90.114.186.152	AS3215 Orange S.A.	`4.24ms` from Lyon, FR
99.169.71.168	AS7018 AT&T Enterprises, LLC	`19.30ms` from Miami, US
95.236.180.216	AS3269 Telecom Italia S.p.A.	`4.64ms` from Milan, IT
103.61.224.24	AS135175 Facts Online Pvt Ltd	`0.87ms` from Mumbai, IN
75.115.236.56	AS33363 Charter Communications, Inc	`9.79ms` from Orlando, US
68.202.36.136	AS33363 Charter Communications, Inc	`4.83ms` from Orlando, US
189.110.60.168	AS27699 TELEFÔNICA BRASIL S.A	`8.97ms` from Osasco, BR
13.228.87.24	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
93.177.184.248	AS16010 Magticom Ltd.	`0.54ms` from Tbilisi, GE
77.85.47.88	AS8866 Vivacom Bulgaria EAD	`4.97ms` from Varna, BG
112.243.253.104	AS4837 CHINA UNICOM China169 Backbone	`12.74ms` from Zhengzhou, CN
46.246.173.232	AS1241 Forthnet	`1.90ms` from Athens, GR
80.99.89.184	AS21334 One Hungary Ltd.	`6.22ms` from Budapest, HU
197.36.107.72	AS8452 TE-AS	`3.77ms` from Cairo, EG
156.146.134.56	AS1448 United Cooperative Services	`2.27ms` from Dallas, US
93.192.55.232	AS3320 Deutsche Telekom AG	`7.40ms` from Duesseldorf, DE
185.75.149.8	AS39835 goetel GmbH	`1.27ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -m5 210.103.245.69

traceroute to 210.103.245.69 (210.103.245.69): 5 hops max, 52 byte packets

1 [AS15169] 66.249.94.179 205.75 ms

2 [AS15169] 172.253.79.70 205.75 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Santiago, CL

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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