IP subnet details

221.152.0.0/13

AS4766  — Korea Telecom

Summary

Country
KR South Korea
Domain nic.or.kr
Size 524,288
Registry APNIC
Network Name KORNET-KR

Whois

inetnum: 221.144.0.0 - 221.159.255.255
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: 2025-11-03T08:15:09Z
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: 221.144.0.0 - 221.159.255.255
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

CIDR IP address subranges within 221.152.0.0/13 subnet

  • 221.152.0.0/21
  • 221.152.8.0/21
  • 221.152.16.0/21
  • 221.152.24.0/21
  • 221.152.32.0/21
  • 221.152.40.0/21
  • 221.152.48.0/21
  • 221.152.56.0/21
  • 221.152.64.0/21
  • 221.152.72.0/21
  • 221.152.80.0/21
  • 221.152.88.0/21
  • 221.152.96.0/21
  • 221.152.104.0/21
  • 221.152.112.0/21
  • 221.152.120.0/21
  • 221.152.128.0/21
  • 221.152.136.0/21
  • 221.152.144.0/21
  • 221.152.152.0/21
  • 221.152.160.0/21
  • 221.152.168.0/21
  • 221.152.176.0/21
  • 221.152.184.0/21
  • 221.152.192.0/21
  • 221.152.200.0/21
  • 221.152.208.0/21
  • 221.152.216.0/21
  • 221.152.224.0/21
  • 221.152.232.0/21
  • 221.152.240.0/21
  • 221.152.248.0/21
  • 221.153.0.0/21
  • 221.153.8.0/21
  • 221.153.16.0/21
  • 221.153.24.0/21
  • 221.153.32.0/21
  • 221.153.40.0/21
  • 221.153.48.0/21
  • 221.153.56.0/21
  • 221.153.64.0/21
  • 221.153.72.0/21
  • 221.153.80.0/21
  • 221.153.88.0/21
  • 221.153.96.0/21
  • 221.153.104.0/21
  • 221.153.112.0/21
  • 221.153.120.0/21
  • 221.153.128.0/21
  • 221.153.136.0/21
  • 221.153.144.0/21
  • 221.153.152.0/21
  • 221.153.160.0/21
  • 221.153.168.0/21
  • 221.153.176.0/21
  • 221.153.184.0/21
  • 221.153.192.0/21
  • 221.153.200.0/21
  • 221.153.208.0/21
  • 221.153.216.0/21
  • 221.153.224.0/21
  • 221.153.232.0/21
  • 221.153.240.0/21
  • 221.153.248.0/21
  • 221.154.0.0/21
  • 221.154.8.0/21
  • 221.154.16.0/21
  • 221.154.24.0/21
  • 221.154.32.0/21
  • 221.154.40.0/21
  • 221.154.48.0/21
  • 221.154.56.0/21
  • 221.154.64.0/21
  • 221.154.72.0/21
  • 221.154.80.0/21
  • 221.154.88.0/21
  • 221.154.96.0/21
  • 221.154.104.0/21
  • 221.154.112.0/21
  • 221.154.120.0/21
  • 221.154.128.0/21
  • 221.154.136.0/21
  • 221.154.144.0/21
  • 221.154.152.0/21
  • 221.154.160.0/21
  • 221.154.168.0/21
  • 221.154.176.0/21
  • 221.154.184.0/21
  • 221.154.192.0/21
  • 221.154.200.0/21
  • 221.154.208.0/21
  • 221.154.216.0/21
  • 221.154.224.0/21
  • 221.154.232.0/21
  • 221.154.240.0/21
  • 221.154.248.0/21
  • 221.155.0.0/21
  • 221.155.8.0/21
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  • 221.155.32.0/21
  • 221.155.40.0/21
  • 221.155.48.0/21
  • 221.155.56.0/21
  • 221.155.64.0/21
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  • 221.155.80.0/21
  • 221.155.88.0/21
  • 221.155.96.0/21
  • 221.155.104.0/21
  • 221.155.112.0/21
  • 221.155.120.0/21
  • 221.155.128.0/21
  • 221.155.136.0/21
  • 221.155.144.0/21
  • 221.155.152.0/21
  • 221.155.160.0/21
  • 221.155.168.0/21
  • 221.155.176.0/21
  • 221.155.184.0/21
  • 221.155.192.0/21
  • 221.155.200.0/21
  • 221.155.208.0/21
  • 221.155.216.0/21
  • 221.155.224.0/21
  • 221.155.232.0/21
  • 221.155.240.0/21
  • 221.155.248.0/21
  • 221.156.0.0/21
  • 221.156.8.0/21
  • 221.156.16.0/21
  • 221.156.24.0/21
  • 221.156.32.0/21
  • 221.156.40.0/21
  • 221.156.48.0/21
  • 221.156.56.0/21
  • 221.156.64.0/21
  • 221.156.72.0/21
  • 221.156.80.0/21
  • 221.156.88.0/21
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  • 221.156.104.0/21
  • 221.156.112.0/21
  • 221.156.120.0/21
  • 221.156.128.0/21
  • 221.156.136.0/21
  • 221.156.144.0/21
  • 221.156.152.0/21
  • 221.156.160.0/21
  • 221.156.168.0/21
  • 221.156.176.0/21
  • 221.156.184.0/21
  • 221.156.192.0/21
  • 221.156.200.0/21
  • 221.156.208.0/21
  • 221.156.216.0/21
  • 221.156.224.0/21
  • 221.156.232.0/21
  • 221.156.240.0/21
  • 221.156.248.0/21
  • 221.157.0.0/21
  • 221.157.8.0/21
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  • 221.157.48.0/21
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  • 221.157.72.0/21
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  • 221.157.104.0/21
  • 221.157.112.0/21
  • 221.157.120.0/21
  • 221.157.128.0/21
  • 221.157.136.0/21
  • 221.157.144.0/21
  • 221.157.152.0/21
  • 221.157.160.0/21
  • 221.157.168.0/21
  • 221.157.176.0/21
  • 221.157.184.0/21
  • 221.157.192.0/21
  • 221.157.200.0/21
  • 221.157.208.0/21
  • 221.157.216.0/21
  • 221.157.224.0/21
  • 221.157.232.0/21
  • 221.157.240.0/21
  • 221.157.248.0/21
  • 221.158.0.0/21
  • 221.158.8.0/21
  • 221.158.16.0/21
  • 221.158.24.0/21
  • 221.158.32.0/21
  • 221.158.40.0/21
  • 221.158.48.0/21
  • 221.158.56.0/21
  • 221.158.64.0/21
  • 221.158.72.0/21
  • 221.158.80.0/21
  • 221.158.88.0/21
  • 221.158.96.0/21
  • 221.158.104.0/21
  • 221.158.112.0/21
  • 221.158.120.0/21
  • 221.158.128.0/21
  • 221.158.136.0/21
  • 221.158.144.0/21
  • 221.158.152.0/21
  • 221.158.160.0/21
  • 221.158.168.0/21
  • 221.158.176.0/21
  • 221.158.184.0/21
  • 221.158.192.0/21
  • 221.158.200.0/21
  • 221.158.208.0/21
  • 221.158.216.0/21
  • 221.158.224.0/21
  • 221.158.232.0/21
  • 221.158.240.0/21
  • 221.158.248.0/21
  • 221.159.0.0/21
  • 221.159.8.0/21
  • 221.159.16.0/21
  • 221.159.24.0/21
  • 221.159.32.0/21
  • 221.159.40.0/21
  • 221.159.48.0/21
  • 221.159.56.0/21
  • 221.159.64.0/21
  • 221.159.72.0/21
  • 221.159.80.0/21
  • 221.159.88.0/21
  • 221.159.96.0/21
  • 221.159.104.0/21
  • 221.159.112.0/21
  • 221.159.120.0/21
  • 221.159.128.0/21
  • 221.159.136.0/21
  • 221.159.144.0/21
  • 221.159.152.0/21
  • 221.159.160.0/21
  • 221.159.168.0/21
  • 221.159.176.0/21
  • 221.159.184.0/21
  • 221.159.192.0/21
  • 221.159.200.0/21
  • 221.159.208.0/21
  • 221.159.216.0/21
  • 221.159.224.0/21
  • 221.159.232.0/21
  • 221.159.240.0/21
  • 221.159.248.0/21

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