211.239.172.0/23

AS9952 · Hostway IDC

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Summary

Country	South Korea
Domain	sejongnetworks.com
ASN	AS9952
Parent Range	211.239.128.0/18
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

Overlapping Ranges

BGP prefixes that contain 211.239.172.0/23

Range	ASN	Company	Num of IPs
211.239.128.0/18	AS9848	SEJONG NETWORKS	16,384
211.239.128.0/18	AS9952	SEJONG NETWORKS	16,384

Nearby Ranges

BGP prefixes that overlap with 211.239.0.0/16

Range	ASN	Company	Num of IPs
211.239.0.0/17	AS9952	SEJONG NETWORKS	32,768
211.239.0.0/17	AS9848	SEJONG NETWORKS	32,768
211.239.128.0/18	AS9952	SEJONG NETWORKS	16,384
211.239.128.0/18	AS9848	SEJONG NETWORKS	16,384
211.239.192.0/18	AS9848	SEJONG NETWORKS	16,384
211.239.150.0/23	AS9952	Hostway	512
211.239.168.0/24	AS9952	Renoeve	256
211.239.124.0/24	AS9952	Hostway	256
211.239.161.0/24	AS9952	Sam Jung Data Service	256
211.239.164.0/24	AS9952	IDC Solution	256
211.239.174.0/24	AS4670	DTC Express	256

Hosted domains

There are 688 domain names hosted across 23 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
211.239.173.87	AS9952 Hostway IDC	`1.03ms` from Seoul, KR
211.239.172.21	AS9952 Hostway IDC	`1.07ms` 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
92.224.139.215	AS6805 Telefonica Germany GmbH & Co.OHG	`2.58ms` from Berlin, DE
190.121.190.199	AS27751 Neunet S.A.	`16.18ms` from Buenos Aires, AR
104.7.158.71	AS7018 AT&T Enterprises, LLC	`3.28ms` from Dallas, US
79.214.97.135	AS3320 Deutsche Telekom AG	`3.40ms` from Duesseldorf, DE
113.106.185.151	AS4134 CHINANET-BACKBONE	`2.57ms` from Guangzhou, CN
14.229.238.39	AS45899 VNPT Corp	`3.63ms` from Hanoi, VN
58.231.87.119	AS9318 SK Broadband Co Ltd	`1.63ms` from Incheon, KR
88.20.132.215	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.53ms` from Madrid, ES
23.54.96.247	AS16625 Akamai Technologies, Inc.	`3.32ms` from Nuernberg, DE
73.63.172.167	AS7922 Comcast Cable Communications, LLC	`5.92ms` from San Jose, US
195.117.19.39	AS5617 Orange Polska Spolka Akcyjna	`5.83ms` from Wrocław, PL
105.109.111.215	AS36947 Telecom Algeria	`13.32ms` from Algiers, DZ
68.147.137.183	AS6327 Shaw Communications	`4.15ms` from Calgary, CA
97.154.28.71	AS6167 Verizon Business	`10.38ms` from Dallas, US
79.250.100.71	AS3320 Deutsche Telekom AG	`8.08ms` from Frankfurt am Main, DE
113.187.113.167	AS45899 VNPT Corp	`5.00ms` from Ho Chi Minh City, VN
174.66.151.119	AS22773 Cox Communications Inc.	`7.92ms` from Los Angeles, US
16.24.239.231	AS16509 Amazon.com, Inc.	`0.09ms` from Manama, BH
87.168.85.135	AS3320 Deutsche Telekom AG	`4.38ms` from Nuernberg, DE
179.179.184.23	AS18881 TELEFÔNICA BRASIL S.A	`3.32ms` from Osasco, BR
89.210.136.135	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`5.13ms` from Sofia, BG
201.61.6.87	AS27699 TELEFÔNICA BRASIL S.A	`1.07ms` from São Paulo, BR
197.26.55.167	AS37671 3S INF	`1.50ms` from Tunis, TN
109.177.12.247	AS5384 Emirates Internet	`4.45ms` from Al Fujairah City, AE
97.234.56.23	AS6167 Verizon Business	`17.52ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f3 211.239.173.236

traceroute to 211.239.173.236 (211.239.173.236): 64 hops max, 52 byte packets

3 [AS3356] 4.69.219.45 191.309 ms

4 [AS3356] 4.71.141.82 360.854 ms

5 *

6 *

7 *

8 *

9 [AS9848] 61.250.127.106 330.791 ms

10 *

11 *

12 *

13 [AS9952] 211.239.173.236 330.889 ms

Measurement taken from

IPinfo ProbeNet in Rio de Janeiro, BR

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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