121.184.0.0/13 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 2026-09-21

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
121.160.0.0/11
RIR
APNIC
Country
🇰🇷 KR
Status
allocated
Allocated
2006-11-01

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
121.176.0.0/12 v4 AS4766 Korea Telecom no ROA 45 503044766 2026-09-18
121.160.0.0/11 v4 AS4766 Korea Telecom no ROA 45 503044766 2026-09-18

More specific routes

50 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
121.184.80.0/28 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
121.184.80.224/28 v4 AS131823 korea Institute for Animal Products Quality Evaluation no ROA 2 2026-09-18
121.184.101.128/25 v4 AS18311 CNCITY energy CO.,LTD no ROA 2 2026-09-18
121.184.184.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.185.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.186.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.187.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.188.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.189.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.192.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.193.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.194.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.195.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.196.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.197.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.198.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.199.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.200.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.184.201.0/24 v4 AS38105 SOON CHUN HYANG UNIVERSITY no ROA 44 2026-09-18
121.185.13.0/24 v4 AS18169 MEMC Korea no ROA 44 2026-09-18
121.186.80.128/25 v4 AS9570 Jeonbuk Bank no ROA 2 2026-09-18
121.186.130.8/30 v4 AS4766 Korea Telecom no ROA 1 2026-09-18
121.186.143.232/29 v4 AS131873 HARIM no ROA 2 2026-09-18
121.186.148.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.187.23.0/24 v4 AS55615 DOUZONEBIZON no ROA 44 2026-09-18
121.187.64.0/20 v4 AS17862 Kangwon National University no ROA 45 2026-09-18
121.187.80.0/22 v4 AS17862 Kangwon National University no ROA 45 2026-09-18
121.187.84.0/23 v4 AS17862 Kangwon National University no ROA 45 2026-09-18
121.187.89.44/30 v4 AS18034 Gangneung-Wonju National University no ROA 1 2026-09-18
121.188.56.32/27 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
121.188.79.144/29 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
121.189.13.128/26 v4 AS38688 GSNeotek no ROA 2 2026-09-18
121.189.14.32/27 v4 AS38688 GSNeotek no ROA 2 2026-09-18
121.189.167.0/24 v4 AS55622 CNUE no ROA 44 2026-09-18
121.189.168.0/22 v4 AS55622 CNUE no ROA 44 2026-09-18
121.190.174.0/24 v4 AS3786 LG DACOM Corporation no ROA 2 2026-09-18
121.190.174.0/24 v4 AS23591 LS ITC no ROA 42 2026-09-18
121.190.208.0/24 v4 AS45399 Hanjin Information Systems Telecommunication Co., Ltd no ROA 44 2026-09-18
121.190.209.0/24 v4 AS45399 Hanjin Information Systems Telecommunication Co., Ltd no ROA 44 2026-09-18
121.190.250.0/24 v4 AS38391 Gyeonggi provincial gimpo office of education no ROA 44 2026-09-18
121.190.250.0/28 v4 AS38391 Gyeonggi provincial gimpo office of education no ROA 2 2026-09-18
121.190.250.16/28 v4 AS38391 Gyeonggi provincial gimpo office of education no ROA 2 2026-09-18
121.190.250.128/28 v4 AS38391 Gyeonggi provincial gimpo office of education no ROA 2 2026-09-18
121.190.251.0/24 v4 AS38404 Gyeonggi Provincial Bucheon Office of Education no ROA 44 2026-09-18
121.191.149.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.191.150.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.191.151.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.191.152.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.191.166.0/24 v4 AS4766 Korea Telecom no ROA 44 2026-09-18
121.191.190.0/24 v4 AS9707 Korea Employment Information Management Agency no ROA 44 2026-09-18