210.126.48.0/24

AS55586 · THE CATHOLIC UNIVERSITY OF KOREA SONGSIM

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Summary

Country	South Korea
Domain	kt.com
ASN	AS55586
Parent Range	210.126.0.0/17
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        210.126.0.0 - 210.126.127.255
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:        [email protected] 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:         [email protected]
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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:         [email protected]
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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 210.126.48.0/24

Range	ASN	Company	Num of IPs
210.126.0.0/17	AS4766	Korea Telecom	32,768
210.126.0.0/17	AS55586	Korea Telecom	32,768
210.126.0.0/17	AS9767	Korea Telecom	32,768

Nearby Ranges

BGP prefixes that overlap with 210.126.0.0/16

Range	ASN	Company	Num of IPs
210.126.0.0/17	AS4766	Korea Telecom	32,768
210.126.0.0/17	AS55586	Korea Telecom	32,768
210.126.0.0/17	AS9767	Korea Telecom	32,768
210.126.128.0/17	AS9848	SEJONG NETWORKS	32,768
210.126.140.0/24	AS9959	Korea Stock Exchange	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
210.126.48.251	AS55586 THE CATHOLIC UNIVERSITY OF KOREA SONGSIM	`1.90ms` from Incheon, 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
108.93.238.104	AS7018 AT&T Enterprises, LLC	`10.03ms` from Atlanta, US
84.63.118.88	AS3209 Vodafone GmbH	`2.65ms` from Berlin, DE
108.156.204.40	AS16509 Amazon.com, Inc.	`0.08ms` from Denver, US
20.33.227.88	AS8069 Microsoft Corporation	`0.54ms` from Des Moines, US
88.247.128.40	AS9121 Turk Telekomunikasyon Anonim Sirketi	`2.38ms` from Istanbul, TR
129.159.133.72	AS31898 Oracle Corporation	`0.16ms` from Jerusalem, IL
128.253.238.24	AS26 Cornell University	`6.11ms` from New York City, US
115.5.225.88	AS4766 Korea Telecom	`1.81ms` from Seoul, KR
209.134.59.136	AS11734 Connectria	`0.74ms` from St. Louis, US
122.210.126.40	AS17506 ARTERIA Networks Corporation	`1.16ms` from Tokyo, JP
121.105.81.56	AS2516 KDDI CORPORATION	`5.78ms` from Tokyo, JP
70.128.83.232	AS7018 AT&T Enterprises, LLC	`9.08ms` from Atlanta, US
67.184.168.104	AS7922 Comcast Cable Communications, LLC	`5.24ms` from Chicago, US
58.227.78.40	AS9318 SK Broadband Co Ltd	`6.44ms` from Incheon, KR
86.165.82.200	AS2856 British Telecommunications PLC	`5.47ms` from London, GB
176.251.139.72	AS5607 Sky UK Limited	`4.53ms` from London, GB
40.74.105.24	AS8075 Microsoft Corporation	`0.19ms` from Osaka, JP
98.41.82.72	AS7922 Comcast Cable Communications, LLC	`8.28ms` from San Jose, US
76.146.189.152	AS7922 Comcast Cable Communications, LLC	`8.62ms` from Seattle, US
154.254.108.152	AS36947 Telecom Algeria	`13.51ms` from Algiers, DZ
32.213.98.40	AS46690 Southern New England Telephone Company and SNET America, Inc.	`11.55ms` from Ashburn, US
73.194.134.152	AS7922 Comcast Cable Communications, LLC	`7.58ms` from Ashburn, US
172.2.11.168	AS7018 AT&T Enterprises, LLC	`5.22ms` from Atlanta, US
34.45.120.24	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
63.233.198.24	AS3356 Level 3 Parent, LLC	`9.29ms` from Denver, US

Traceroute

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

traceroute -a -n -q1 -f2 210.126.48.252

traceroute to 210.126.48.252 (210.126.48.252): 64 hops max, 52 byte packets

2 [AS7195] 200.25.51.75 15.923 ms

3 [AS7195] 200.25.51.211 54.415 ms

4 *

5 *

6 *

7 *

8 *

9 [AS55586] 210.126.48.252 247.402 ms

Measurement taken from

IPinfo ProbeNet in Quito, EC

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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