211.239.152.0/21

AS9952 · Hostway IDC

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Summary

Country	South Korea
Domain	sejongnetworks.com
ASN	AS9952
Registry	APNIC
ID	SHINBIRO

WHOIS Details

inetnum:        211.239.128.0 - 211.239.191.255
netname:        SEJONG
descr:          SEJONG NETWORKS
country:        KR
admin-c:        IM686-AP
tech-c:         IM686-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2024-09-10T08:50:11Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Jeollanam-do Naju-si Jinheung-gil
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:  2021-06-15T06:21:49Z
source:         APNIC

person:         IP Manager
address:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IM686-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-09-10T08:42:02Z
source:         APNIC

Hosted domains

There are 1,197 domain names hosted across 88 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
211.239.157.115	pangpangsports.com	108
211.239.157.100	onnaya.co.kr	88
211.239.157.74	teamplaymall.com	50
211.239.157.213	yd119.co.kr	38
211.239.157.91	gfckorea.co.kr	30
211.239.157.95	hrmembers.co.kr	25
211.239.157.39	williams.or.kr	25
211.239.157.125	lskoreainc.com	22
211.239.157.101	myair.net	19
211.239.157.41	goldneedle.co.kr	13
211.239.157.72	yeinskin.co.kr	12
211.239.157.82	lfrkorea.com	12
211.239.157.44	pes21.com	11
211.239.157.40	seomyeon.net	9
211.239.157.37	jinsoft.co.kr	9
211.239.157.10	yts.co.kr	8
211.239.157.50	plasticnara.co.kr	7
211.239.159.82	runremote.com	7
211.239.157.36	samtape.co.kr	7
211.239.157.93	designcreta.com	5

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

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Pingable IPs

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

IP Address	ASN	Details
211.239.152.244	AS9952 Hostway IDC	`1.17ms` from Seoul, KR
211.239.159.195	AS9952 Hostway IDC	`1.17ms` from Seoul, KR
211.239.154.249	AS9952 Hostway IDC	`1.12ms` from Seoul, KR
211.239.153.119	AS9952 Hostway IDC	`1.16ms` from Seoul, KR
211.239.157.227	AS9952 Hostway IDC	`1.18ms` from Seoul, KR
211.239.158.125	AS9952 Hostway IDC	`1.25ms` from Seoul, KR
211.239.156.28	AS9952 Hostway IDC	`1.13ms` 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
85.16.10.117	AS9145 EWE TEL GmbH	`5.81ms` from Amsterdam, NL
1.88.0.229	AS17429 BEIJING GEHUA CATV NETWORK CO.LTD	`10.82ms` from Beijing, CN
194.47.252.5	AS1653 Vetenskapsradet / SUNET	`2.50ms` from Copenhagen, DK
73.153.198.149	AS7922 Comcast Cable Communications, LLC	`5.70ms` from Denver, US
52.51.144.181	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
79.255.206.133	AS3320 Deutsche Telekom AG	`4.46ms` from Frankfurt am Main, DE
54.38.96.5	AS16276 OVH SAS	`0.05ms` from Gravelines, FR
151.80.242.165	AS16276 OVH SAS	`0.07ms` from Gravelines, FR
149.30.247.117	AS133199 SonderCloud Limited	`1.15ms` from Hong Kong, HK
161.168.128.21	AS32851 Wal-Mart Stores, Inc.	`10.91ms` from Kansas City, US
86.180.185.197	AS2856 British Telecommunications PLC	`4.82ms` from London, GB
62.254.82.85	AS5089 Virgin Media Limited	`1.11ms` from London, GB
98.152.140.133	AS20001 Charter Communications Inc	`2.02ms` from Los Angeles, US
81.184.83.245	AS6739 VODAFONE ONO, S.A.	`12.44ms` from Madrid, ES
119.31.173.5	AS38304 Manilla, Philippines	`1.37ms` from Manila, PH
194.40.208.21	AS198772 Costa Crociere S.p.a.	`1.73ms` from Milan, IT
95.179.31.213	AS12389 PJSC Rostelecom	`8.37ms` from Moscow, RU
185.69.29.245	AS59847 WIRAC.NET d.o.o.	`3.95ms` from Novi Travnik, BA
153.180.211.69	AS4713 NTT Communications Corporation	`4.71ms` from Osaka, JP
119.150.21.133	AS7522 STNet, Incorporated	`9.44ms` from Osaka, JP
75.148.55.5	AS7922 Comcast Cable Communications, LLC	`6.53ms` from Portland, US
74.92.161.101	AS7922 Comcast Cable Communications, LLC	`6.99ms` from Portland, US
159.65.107.37	AS14061 DigitalOcean, LLC	`0.18ms` from San Jose, US
177.161.140.245	AS26599 TELEFÔNICA BRASIL S.A	`1.97ms` from Sao Paulo, BR
46.217.122.133	AS6821 Makedonski Telekom AD-Skopje	`1.50ms` from Skopje, MK

Traceroute

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

traceroute -a -n -q1 211.239.157.139

traceroute to 211.239.157.139 (211.239.157.139): 64 hops max, 52 byte packets

1 [AS15169] 172.253.64.145 0.891 ms

2 [AS9848] 61.250.82.93 0.771 ms

3 [AS9848] 211.115.197.94 1.189 ms

4 [AS9848] 61.109.130.230 1.581 ms

5 *

6 [AS9952] 211.239.156.53 3.552 ms

7 [AS9952] 211.239.157.139 1.416 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On August 28th 2025

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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