128.134.207.0/24

AS10060 · YONSEI UNIVERSITY HEALTH SYSTEM

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Summary

Country	South Korea
Domain	kt.com
ASN	AS10060
Parent Range	128.134.0.0/16
Registry	APNIC
ID	KORNET

WHOIS Details

inetnum:        128.134.0.0 - 128.134.255.255
netname:        KORNET
descr:          Korea Telecom
admin-c:        IM667-AP
tech-c:         IM667-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20170203
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Seoul Songpa-gu Jungdae-ro 135
e-mail:         hostmaster@nic.or.kr
abuse-mailbox:  hostmaster@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20150513
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
changed:        hostmaster@nic.or.kr 20170328
source:         APNIC

inetnum:        128.134.0.0 - 128.134.255.255
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.krnic.net.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
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
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
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
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 128.134.207.0/24

Range	ASN	Company	Num of IPs
128.134.0.0/16	AS10060	Korea Telecom	65,536
128.134.0.0/16	AS10088	Korea Telecom	65,536
128.134.0.0/16	AS45381	Korea Telecom	65,536
128.134.0.0/16	AS4766	Korea Telecom	65,536
128.134.0.0/16	AS9318	Korea Telecom	65,536
128.134.0.0/16	AS9525	Korea Telecom	65,536
128.134.0.0/16	AS9526	Korea Telecom	65,536
128.134.0.0/16	AS9634	Korea Telecom	65,536
128.134.0.0/16	AS9684	Korea Telecom	65,536

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

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

IP Address	ASN	Details
128.134.207.70	AS10060 YONSEI UNIVERSITY HEALTH SYSTEM	`1.01ms` 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
38.119.99.152	AS174 Cogent Communications	`0.85ms` from Ashburn, US
77.13.198.200	AS6805 Telefonica Germany GmbH & Co.OHG	`2.19ms` from Berlin, DE
108.170.226.184	AS15169 Google LLC	`0.27ms` from Dallas, US
87.171.54.216	AS3320 Deutsche Telekom AG	`4.34ms` from Duesseldorf, DE
91.56.85.56	AS3320 Deutsche Telekom AG	`7.42ms` from Frankfurt am Main, DE
113.187.225.248	AS45899 VNPT Corp	`2.14ms` from Ho Chi Minh City, VN
46.72.70.40	AS12714 PJSC MegaFon	`7.95ms` from Moscow, RU
117.183.121.152	AS9808 China Mobile Communications Group Co., Ltd.	`5.85ms` from Nanning, CN
86.223.13.56	AS3215 Orange S.A.	`8.88ms` from Paris, FR
108.247.124.24	AS7018 AT&T Enterprises, LLC	`3.87ms` from San Jose, US
1.158.103.216	AS1221 Telstra Limited	`5.26ms` from Sydney, AU
216.108.241.248	AS133771 Rapid Shield Company Limited	`0.42ms` from Tokyo, JP
107.11.177.168	AS10796 Charter Communications Inc	`19.59ms` from Toronto, CA
113.71.78.56	AS4134 CHINANET-BACKBONE	`3.31ms` from Guangzhou, CN
112.229.49.8	AS4837 CHINA UNICOM China169 Backbone	`5.73ms` from Qingdao, CN
130.51.31.136	AS397162 Sumofiber	`5.77ms` from Salt Lake City, US
203.188.206.136	AS24506 Yahoo Global Holdings B.V. Taiwan Branch	`1.11ms` from Taipei, TW
43.196.129.120	AS55960 Beijing Guanghuan Xinwang Digital	`4.41ms` from Tianjin, CN
20.229.181.88	AS8075 Microsoft Corporation	`1.54ms` from Amsterdam, NL
50.85.27.216	AS8075 Microsoft Corporation	`0.24ms` from Amsterdam, NL
79.103.227.104	AS1241 Forthnet	`10.47ms` from Athens, GR
99.22.165.72	AS7018 AT&T Enterprises, LLC	`7.87ms` from Dallas, US
87.37.22.232	AS1213 HEAnet CLG	`16.93ms` from Dublin, IE
87.146.9.136	AS3320 Deutsche Telekom AG	`4.72ms` from Frankfurt am Main, DE
37.59.214.88	AS16276 OVH SAS	`0.41ms` from Gravelines, FR

Traceroute

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

traceroute -a -n -q1 128.134.207.80

traceroute to 128.134.207.80 (128.134.207.80): 64 hops max, 52 byte packets

1 [AS15169] 172.253.64.138 0.855 ms

2 *

3 *

4 [AS4766] 112.174.58.78 1.115 ms

5 *

6 *

7 [AS4766] 121.162.165.26 1.53 ms

8 [AS10060] 128.134.207.80 2.968 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On September 4th 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.

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