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:        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

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

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

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
77.163.184.104	AS1136 KPN B.V.	`1.23ms` from Amsterdam, NL
134.101.35.168	AS207503 neu-medianet GmbH	`7.23ms` from Berlin, DE
34.45.120.24	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
91.47.110.200	AS3320 Deutsche Telekom AG	`4.80ms` from Frankfurt am Main, DE
77.3.206.232	AS6805 Telefonica Germany GmbH & Co.OHG	`1.18ms` from Hamburg, DE
14.239.121.104	AS45899 VNPT Corp	`3.87ms` from Hanoi, VN
182.211.210.40	AS17858 LG POWERCOMM	`2.06ms` from Incheon, KR
58.227.78.40	AS9318 SK Broadband Co Ltd	`6.44ms` from Incheon, KR
212.72.104.200	AS12778 MEGA M, d.o.o.	`0.52ms` from Ljubljana, SI
81.149.61.232	AS2856 British Telecommunications PLC	`2.08ms` from London, GB
151.49.55.248	AS1267 WIND TRE S.P.A.	`7.63ms` from Milan, IT
70.55.139.24	AS577 Bell Canada	`1.76ms` from Montreal, CA
90.79.189.40	AS3215 Orange S.A.	`1.25ms` from Paris, FR
94.246.175.248	AS33923 ART-COM Sp. z o.o.	`6.52ms` from Poznan, PL
115.5.225.88	AS4766 Korea Telecom	`1.81ms` from Seoul, KR
63.246.112.72	AS16509 Amazon.com, Inc.	`0.10ms` from Stockholm, SE
163.16.236.8	AS1659 Taiwan Academic Network (TANet) Information Center	`6.99ms` from Taipei, TW
124.39.252.8	AS17506 ARTERIA Networks Corporation	`1.10ms` from Tokyo, JP
153.197.236.152	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.67ms` from Tokyo, JP
35.12.102.104	AS231 Michigan State University	`2.73ms` from Detroit, US
14.117.220.152	AS136199 CHINANET Guangdong province Yuedong MAN network	`3.83ms` from Guangzhou, CN
35.197.242.104	AS396982 Google LLC	`0.11ms` from London, GB
135.233.160.200	AS8075 Microsoft Corporation	`0.24ms` from San Antonio, US
114.67.123.184	AS4811 China Telecom (Group)	`3.90ms` from Shanghai, CN
125.195.131.152	AS2518 BIGLOBE Inc.	`2.27ms` from Tokyo, JP

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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