211.222.58.0/24

AS55586 · THE CATHOLIC UNIVERSITY OF KOREA SONGSIM

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Summary

Country	South Korea
Domain	kt.com
ASN	AS55586
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        211.216.0.0 - 211.225.255.255
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
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:        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

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

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
64.253.15.168	AS22646 Hargray Communications Group, Inc.	`5.99ms` from Atlanta, US
177.199.29.120	AS26599 TELEFÔNICA BRASIL S.A	`14.86ms` from Brasilia, BR
188.157.41.184	AS5483 Magyar Telekom Plc.	`5.60ms` from Budapest, HU
174.100.223.168	AS10796 Charter Communications Inc	`14.22ms` from Flint, US
77.37.101.120	AS62336 PURtel.com GmbH	`1.24ms` from Frankfurt am Main, DE
14.183.48.40	AS45899 VNPT Corp	`2.40ms` from Ho Chi Minh City, VN
212.90.32.216	AS48239 Scientific-Production Enterprise Information Technologies Ltd	`0.47ms` from Kyiv, UA
90.202.34.24	AS5607 Sky UK Limited	`6.13ms` from London, GB
23.123.37.72	AS7018 AT&T Enterprises, LLC	`12.87ms` from Miami, US
128.78.42.232	AS5410 Bouygues Telecom SA	`5.24ms` from Paris, FR
3.209.186.152	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
13.53.36.8	AS16509 Amazon.com, Inc.	`0.08ms` from Stockholm, SE
153.189.219.24	AS4713 NTT Communications Corporation	`7.24ms` from Tokyo, JP
167.99.208.56	AS14061 DigitalOcean, LLC	`0.22ms` from Amsterdam, NL
100.7.23.200	AS701 Verizon Business	`5.05ms` from Ashburn, US
18.237.17.168	AS16509 Amazon.com, Inc.	`0.30ms` from Boardman, US
15.158.52.200	AS16509 Amazon.com, Inc.	`0.07ms` from Boston, US
124.105.79.152	AS9299 Philippine Long Distance Telephone Company	`0.92ms` from Manila, PH
87.18.74.56	AS3269 Telecom Italia S.p.A.	`17.06ms` from Milan, IT
49.254.104.88	AS4766 Korea Telecom	`1.02ms` from Seoul, KR
52.193.10.200	AS16509 Amazon.com, Inc.	`0.23ms` from Tokyo, JP
218.110.173.104	AS2527 Sony Network Communications Inc.	`3.60ms` from Tokyo, JP
101.73.208.248	AS4837 CHINA UNICOM China169 Backbone	`11.75ms` from Beijing, CN
136.167.2.40	AS22834 Boston College	`1.44ms` from Boston, US
81.42.232.40	AS3352 TELEFONICA DE ESPANA S.A.U.	`2.64ms` from Madrid, ES

Traceroute

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

traceroute -a -n -q1 -f5 -m15 211.222.58.120

traceroute to 211.222.58.120 (211.222.58.120): 15 hops max, 52 byte packets

5 [AS6939] 74.82.46.113 34.831 ms

6 *

7 *

8 *

9 *

10 *

11 [AS9318] 110.8.23.14 68.675 ms

12 [AS55586] 210.126.48.254 67.639 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Taipei, TW

On August 22nd 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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