203.240.73.0/24

AS17865 · Supreme Court of Korea

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Summary

Country	South Korea
Domain	scourt.go.kr
ASN	AS17865
Registry	APNIC
ID	SCK

WHOIS Details

inetnum:        203.240.64.0 - 203.240.95.255
netname:        SCK
descr:          Supreme Court of Korea
country:        KR
admin-c:        IM775-AP
tech-c:         IM775-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T06:50:03Z
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:        Seoul Seocho-gu Seocho-daero 219
country:        KR
phone:          +82-31-725-7694
e-mail:         network@scourt.go.kr
nic-hdl:        IM775-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-11-15T04:40:05Z
source:         APNIC

inetnum:        203.240.64.0 - 203.240.95.255
netname:        SCK-KR
descr:          Supreme Court of Korea
country:        KR
admin-c:        216-KR
tech-c:         216-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

Nearby Ranges

BGP prefixes that overlap with 203.240.0.0/16

Range	ASN	Company	Num of IPs
203.240.192.0/18	AS4670	SEJONG NETWORKS	16,384
203.240.128.0/19	AS4670	SEJONG NETWORKS	8,192
203.240.128.0/19	AS9848	SEJONG NETWORKS	8,192
203.240.238.0/23	AS4670	SEJONG NETWORKS	512
203.240.209.0/24	AS4670	SEJONG NETWORKS	256
203.240.221.0/24	AS4670	SEJONG NETWORKS	256
203.240.222.0/24	AS4670	SEJONG NETWORKS	256
203.240.234.0/24	AS4670	SEJONG NETWORKS	256
203.240.235.0/24	AS4670	SEJONG NETWORKS	256
203.240.236.0/24	AS4670	SEJONG NETWORKS	256
203.240.253.0/24	AS4670	SEJONG NETWORKS	256
203.240.128.0/24	AS9645	HYUNDAI International Merchant Bank	256
203.240.132.0/24	AS9848	SEJONG NETWORKS	256
203.240.148.0/24	AS9848	SEJONG NETWORKS	256
203.240.244.0/24	AS9848	SEJONG NETWORKS	256
203.240.191.0/24	AS3786	Korea Internet Security Agency	256
203.240.159.0/24	AS9980	Hyundai Information Technology Co. Ltd.	256
203.240.149.0/24	AS45977	Canon Korea Business Solution	256
203.240.193.0/24	AS4670	SEJONG NETWORKS	256
203.240.208.0/24	AS4670	SEJONG NETWORKS	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

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

IP Address	ASN	Details
203.240.73.2	AS17865 Supreme Court of Korea	`1.74ms` from Incheon, 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
79.230.229.232	AS3320 Deutsche Telekom AG	`3.65ms` from Hamburg, DE
80.129.237.104	AS3320 Deutsche Telekom AG	`3.71ms` from Hamburg, DE
93.203.145.184	AS3320 Deutsche Telekom AG	`4.92ms` from Hamburg, DE
14.228.230.88	AS45899 VNPT Corp	`5.11ms` from Hanoi, VN
113.5.191.216	AS4837 CHINA UNICOM China169 Backbone	`5.68ms` from Harbin, CN
182.216.168.104	AS17858 LG POWERCOMM	`1.65ms` from Incheon, KR
203.29.26.152	AS135477 PT. Java Digital Nusantara	`16.68ms` from Jakarta, ID
65.69.238.248	AS7018 AT&T Enterprises, LLC	`1.82ms` from Kansas City, US
96.232.98.24	AS701 Verizon Business	`2.41ms` from New York City, US
109.189.36.136	AS2119 Telenor Norge AS	`8.09ms` from Oslo, NO
92.162.83.248	AS3215 Orange S.A.	`6.51ms` from Paris, FR
211.62.142.40	AS3786 LG DACOM Corporation	`1.58ms` from Seoul, KR
175.249.81.200	AS4766 Korea Telecom	`6.97ms` from Seoul, KR
125.158.216.216	AS4766 Korea Telecom	`1.79ms` from Seoul, KR
222.162.130.136	AS4837 CHINA UNICOM China169 Backbone	`13.23ms` from Tieling, CN
62.131.232.200	AS1136 KPN B.V.	`1.39ms` from Amsterdam, NL
35.166.80.184	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
24.91.20.120	AS7922 Comcast Cable Communications, LLC	`4.59ms` from Boston, US
132.232.216.40	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.81ms` from Chengdu, CN
98.34.65.168	AS7922 Comcast Cable Communications, LLC	`6.30ms` from Chicago, US
104.179.159.88	AS7018 AT&T Enterprises, LLC	`2.69ms` from Dallas, US
98.38.96.88	AS7922 Comcast Cable Communications, LLC	`8.45ms` from Denver, US
92.141.30.72	AS3215 Orange S.A.	`15.15ms` from Frankfurt am Main, DE
223.244.8.200	AS149178 China Telecom	`6.38ms` from Huai'an, CN
175.210.26.184	AS4766 Korea Telecom	`0.89ms` from Incheon, KR

Traceroute

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

traceroute -a -n -q1 -f8 203.240.73.4

traceroute to 203.240.73.4 (203.240.73.4): 64 hops max, 52 byte packets

8 [AS3786] 1.208.179.46 2.393 ms

9 [AS3786] 1.213.4.146 2.054 ms

10 [AS9316] 220.65.212.2 2.31 ms

11 [] 203.240.72.4 2.384 ms

12 [AS17865] 203.240.73.4 1.88 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 9th 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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