221.144.0.0/13 no ROA

Announced by AS4766 Korea Telecom.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS4766 Korea Telecom no ROA 43 503044766 2026-09-18 2026-11-02

RPKI

No ROA covers this prefix

No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.

Registry

Who this address space is delegated to, regardless of whether it is routed

Delegated block
221.144.0.0/12
RIR
APNIC
Country
🇰🇷 KR
Status
allocated
Allocated
2003-04-17

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
221.144.0.0/12 v4 AS4766 Korea Telecom no ROA 44 503044766 2026-09-18

More specific routes

47 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
221.144.37.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.144.141.96/29 v4 AS4766 Korea Telecom no ROA 1 2026-09-18
221.144.152.0/24 v4 AS55622 CNUE no ROA 45 2026-09-18
221.144.172.0/28 v4 AS4766 Korea Telecom no ROA 1 2026-09-18
221.144.191.0/24 v4 AS152198 Gangwon State University no ROA 45 2026-09-18
221.145.178.0/24 v4 AS45400 Korea Telecom no ROA 45 2026-09-18
221.145.224.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.146.17.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.146.193.0/24 v4 AS9856 WOORI Investment @ Securities no ROA 45 2026-09-18
221.146.229.0/24 v4 AS9972 INTMANAGEMENT Corp., no ROA 44 2026-09-18
221.147.10.0/26 v4 AS17836 IBK Securities no ROA 1 2026-09-18
221.147.50.0/24 v4 AS152214 Korean Air Lines no ROA 45 2026-09-18
221.147.51.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.147.52.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.147.53.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.147.54.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.147.55.0/24 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.147.83.0/24 v4 AS9526 KOSCOM no ROA 45 2026-09-18
221.147.101.0/24 v4 AS9850 WOW-TV no ROA 45 2026-09-18
221.148.125.160/29 v4 AS55613 KOREA APPRAISAL BOARD no ROA 1 2026-09-18
221.149.141.0/24 v4 AS10185 Hana Bank Co. no ROA 45 2026-09-18
221.149.230.0/24 v4 AS45360 SSANGYONG CEMENT INDUSTRY CO.,LTD no ROA 45 2026-09-18
221.149.240.0/22 v4 AS131842 Office of the president no ROA 45 2026-09-18
221.150.21.0/24 v4 AS10184 Korean Federation of Community Credit Cooperatives no ROA 45 2026-09-18
221.150.114.0/24 v4 AS55592 Korea Data Telecommunication Co., Ltd. no ROA 45 2026-09-18
221.150.156.0/23 v4 AS4766 Korea Telecom no ROA 45 2026-09-18
221.150.175.0/25 v4 AS4766 Korea Telecom no ROA 1 2026-09-18
221.150.196.0/24 v4 AS38697 Hankyong National Univercity no ROA 45 2026-09-18
221.151.165.0/24 v4 AS38405 Gwang Myeong Office of Education no ROA 45 2026-09-18
221.151.165.0/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.16/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.32/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.48/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.64/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.80/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.96/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.112/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.128/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.144/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.160/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.176/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.192/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.208/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.224/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.165.240/28 v4 AS38405 Gwang Myeong Office of Education no ROA 1 2026-09-18
221.151.172.0/24 v4 AS38112 Korea Housing Urban Guarantee Corporation no ROA 45 2026-09-18
221.151.180.0/24 v4 AS9526 KOSCOM no ROA 45 2026-09-18