203.236.188.0/22

AS23584 · PUSAN CABLE TV SYSTEM CO., LTD.

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Summary

Country	South Korea
Domain	hcn.co.kr
ASN	AS23584
Parent Range	203.236.128.0/18
Registry	KRNIC
ID	203.236.188.0-203.236.191.255

WHOIS Details

inetnum:            203.236.188.0 - 203.236.191.255
descr:              PUSAN CATV
network-type:       CUSTOMER
address:            Oncheon1-dong  Dongnae-gu  Busan
zip-code:           47716
created:            2003-09-06
admin:              GENERATED-KRNIC-IP-MANAGER-MGCHOI
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-MGCHOI
person:             IP Manager
name:               IP Manager
phone:              +82-51-713-6110
e-mail:             mgchoi@hcn.co.kr
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 203.236.188.0/22

Range	ASN	Company	Num of IPs
203.236.128.0/18	AS138195	SEJONG NETWORKS	16,384
203.236.128.0/18	AS23588	SEJONG NETWORKS	16,384
203.236.128.0/18	AS9848	SEJONG NETWORKS	16,384
203.236.128.0/18	AS9973	SEJONG NETWORKS	16,384

Nearby Ranges

BGP prefixes that overlap with 203.236.0.0/16

Range	ASN	Company	Num of IPs
203.236.128.0/18	AS138195	SEJONG NETWORKS	16,384
203.236.128.0/18	AS23588	SEJONG NETWORKS	16,384
203.236.192.0/18	AS9286	KINX	16,384
203.236.128.0/18	AS9848	SEJONG NETWORKS	16,384
203.236.128.0/18	AS9973	SEJONG NETWORKS	16,384
203.236.0.0/19	AS9644	SK Telecom	8,192
203.236.32.0/21	AS9644	SK Telecom	2,048
203.236.40.0/22	AS9644	SK Telecom	1,024
203.236.135.0/24	AS9845	CJcablenet	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.236.190.129	AS23584 PUSAN CABLE TV SYSTEM CO., LTD.	`7.19ms` from Seoul, KR
203.236.191.97	AS23584 PUSAN CABLE TV SYSTEM CO., LTD.	`7.38ms` 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
181.124.27.22	AS23201 Telecel S.A.	`8.03ms` from Asuncion, PY
154.179.184.182	AS8452 TE-AS	`4.61ms` from Cairo, EG
109.85.9.86	AS3209 Vodafone GmbH	`2.14ms` from Hamburg, DE
5.66.109.134	AS5607 Sky UK Limited	`3.53ms` from London, GB
203.131.75.230	AS7629 EPLDT	`0.80ms` from Manila, PH
69.28.103.214	AS32035 Sangoma US Inc.	`1.06ms` from Santa Clara, US
114.182.114.134	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.74ms` from Tokyo, JP
185.225.191.38	AS201814 MEVSPACE sp. z o.o.	`1.21ms` from Warsaw, PL
40.27.200.182	AS5650 Frontier Communications of America, Inc.	`0.24ms` from Ashburn, US
76.180.135.38	AS11351 Charter Communications Inc	`19.77ms` from Chicago, US
27.15.45.102	AS4837 CHINA UNICOM China169 Backbone	`7.98ms` from Chongqing, CN
108.194.102.70	AS7018 AT&T Enterprises, LLC	`8.25ms` from Dallas, US
158.180.50.86	AS31898 Oracle Corporation	`0.25ms` from Frankfurt am Main, DE
8.136.151.214	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`5.65ms` from Hangzhou, CN
14.37.131.102	AS4766 Korea Telecom	`0.72ms` from Incheon, KR
176.240.42.86	AS47524 Turksat Uydu Haberlesme ve Kablo TV Isletme A.S.	`13.12ms` from Istanbul, TR
172.161.27.134	AS8075 Microsoft Corporation	`0.17ms` from Kloten, CH
2.61.145.246	AS12389 PJSC Rostelecom	`8.84ms` from Krasnoyarsk, RU
3.160.203.118	AS16509 Amazon.com, Inc.	`0.23ms` from Marseille, FR
27.210.242.150	AS4837 CHINA UNICOM China169 Backbone	`1.20ms` from Qingdao, CN
179.250.132.38	AS26615 TIM S/A	`6.17ms` from Sao Paulo, BR
14.56.72.22	AS4766 Korea Telecom	`1.46ms` from Seoul, KR
20.188.212.134	AS8075 Microsoft Corporation	`0.72ms` from Sydney, AU
36.52.46.70	AS10013 FreeBit Co.,Ltd.	`2.82ms` from Tokyo, JP
116.82.33.38	AS2527 Sony Network Communications Inc.	`1.39ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 203.236.191.1

traceroute to 203.236.191.1 (203.236.191.1): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.42 0.083 ms

2 [] 139.150.100.233 0.972 ms

3 [] 139.150.100.36 2.616 ms

4 [AS7562] 111.118.20.253 6.781 ms

5 [AS7562] 111.118.20.74 7.538 ms

6 *

7 [AS23584] 203.236.191.1 7.904 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 19th 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.

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