211.217.17.0/24

AS4961  ·  Daewoo Information Systems

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Summary

Country South Korea
Domain kt.com
ASN AS4961
Parent Range 211.216.0.0/13
Registry APNIC
ID KORNET

WHOIS Details

inetnum:        211.216.0.0 - 211.223.255.255
netname:        KORNET
descr:          Korea Telecom
country:        KR
admin-c:        IM667-AP
tech-c:         IM667-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T08:14:58Z
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:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM667-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2017-03-28T06:37:04Z
source:         APNIC

inetnum:        211.216.0.0 - 211.223.255.255
netname:        KORNET-KR
descr:          Korea Telecom
country:        KR
admin-c:        IA9-KR
tech-c:         IM9-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

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IA9-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:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM9-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 211.217.17.0/24

Range ASN Company Num of IPs
211.216.0.0/13 AS152214 Korea Telecom 524,288
211.216.0.0/13 AS17859 Korea Telecom 524,288
211.216.0.0/13 AS38089 Korea Telecom 524,288
211.216.0.0/13 AS38404 Korea Telecom 524,288
211.216.0.0/13 AS9318 Korea Telecom 524,288
211.216.0.0/13 AS4766 Korea Telecom 524,288
211.216.0.0/13 AS4961 Korea Telecom 524,288

Nearby Ranges

BGP prefixes that overlap with 211.217.0.0/16

Range ASN Company Num of IPs
211.216.0.0/13 AS4961 Korea Telecom 524,288
211.216.0.0/13 AS9318 Korea Telecom 524,288
211.216.0.0/13 AS17859 Korea Telecom 524,288
211.216.0.0/13 AS38089 Korea Telecom 524,288
211.216.0.0/13 AS38404 Korea Telecom 524,288
211.216.0.0/13 AS152214 Korea Telecom 524,288
211.216.0.0/13 AS4766 Korea Telecom 524,288
211.217.201.0/24 AS9967 Korea Telecom 256
211.217.200.0/24 AS45362 Teuseutonjasanunyong(ju) 256
211.217.195.0/24 AS131843 Hanguktujasintakunyong 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

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
89.194.125.56 AS8011 MongoDB, Inc. 0.44ms from Ashburn, US
23.96.42.88 AS8075 Microsoft Corporation 0.48ms from Ashburn, US
193.126.70.120 AS1897 NOS COMUNICACOES, S.A. 13.49ms from Braga, PT
52.30.222.120 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
83.174.23.184 AS12353 Vodafone Portugal 0.97ms from Lisbon, PT
49.151.73.56 AS9299 Philippine Long Distance Telephone Company 6.00ms from Manila, PH
114.230.243.152 AS4134 CHINANET-BACKBONE 3.96ms from Nanjing, CN
123.131.177.168 AS4837 CHINA UNICOM China169 Backbone 7.50ms from Qingdao, CN
99.4.123.248 AS7018 AT&T Enterprises, LLC 4.18ms from San Jose, US
49.235.53.152 AS45090 Shenzhen Tencent Computer Systems Company Limited 0.98ms from Shanghai, CN
140.125.62.152 AS1659 Taiwan Academic Network (TANet) Information Center 10.34ms from Taichung, TW
91.82.147.24 AS20845 DIGI Tavkozlesi es Szolgaltato Kft. 1.20ms from Budapest, HU
97.208.221.248 AS6167 Verizon Business 13.02ms from Chicago, US
213.250.145.136 AS136907 HUAWEI CLOUDS 1.80ms from Istanbul, TR
84.122.26.72 AS6739 Vodafone ONO AS 15.54ms from Madrid, ES
88.165.155.136 AS12322 Free SAS 15.23ms from Paris, FR
54.206.31.248 AS16509 Amazon.com, Inc. 0.14ms from Sydney, AU
203.206.167.248 AS4739 Internode Pty Ltd 1.39ms from Sydney, AU
115.59.163.72 AS4837 CHINA UNICOM China169 Backbone 5.72ms from Zhengzhou, CN
23.117.135.24 AS7018 AT&T Enterprises, LLC 7.12ms from Atlanta, US
87.196.138.88 AS2860 NOS COMUNICACOES, S.A. 11.87ms from Braga, PT
97.149.52.136 AS6167 Verizon Business 14.83ms from Chicago, US
188.106.253.72 AS3209 Vodafone GmbH 17.85ms from Duesseldorf, DE
24.240.142.88 AS20115 Charter Communications LLC 1.02ms from Los Angeles, US
132.170.213.104 AS7939 University of Central Florida 5.73ms from Miami, 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 -m27 211.217.17.231
traceroute to 211.217.17.231 (211.217.17.231): 27 hops max, 52 byte packets
4 *
7 [AS4826] 202.137.111.77 37.629 ms
8 [AS4826] 114.31.192.114 144.525 ms
9 [] 103.1.77.6 129.113 ms
10 [] 103.1.76.145 141.733 ms
11 [] 103.1.77.97 140.859 ms
12 [AS4826] 114.31.206.51 141.783 ms
13 [AS15412] 80.81.65.217 128.237 ms
14 [AS15412] 62.216.129.234 178.448 ms
15 [AS15412] 62.216.130.102 198.73 ms
16 [AS15412] 62.216.147.210 199.58 ms
17 *
18 *
19 *
20 [AS3786] 1.208.178.46 203.657 ms
21 [AS3786] 1.213.5.10 219.032 ms
22 [AS3786] 118.128.27.242 223.706 ms
23 [AS4961] 152.149.237.46 220.04 ms
24 [AS4961] 152.149.237.54 219.147 ms
25 *
26 *
27 *
Measurement taken from IPinfo ProbeNet in Port Moresby, PG
On

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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