206208 looking glass

121.128.0.0/13 no ROA

Announced by AS4766 Korea Telecom.

Origin

Origin ASRPKI Peers seeing itSample path First seenLast seen
AS4766 Korea Telecom no ROA 42 503044766 2026-09-18 2026-09-19

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
121.128.0.0/11
RIR
APNIC
Country
🇰🇷 KR
Status
allocated
Allocated
2006-04-07

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
121.128.0.0/12 v4 AS4766 Korea Telecom no ROA 42 503044766 2026-09-18
121.128.0.0/11 v4 AS4766 Korea Telecom no ROA 42 503044766 2026-09-18

More specific routes

113 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
121.128.9.128/26 v4 AS131881 National Medical Center no ROA 2 2026-09-18
121.128.28.0/24 v4 AS4790 Chosun ilbo Inc. no ROA 44 2026-09-18
121.128.29.0/24 v4 AS4790 Chosun ilbo Inc. no ROA 44 2026-09-18
121.128.55.0/24 v4 AS9647 Seoul Metropolitan Government no ROA 44 2026-09-18
121.128.97.0/24 v4 AS152214 Korean Air Lines no ROA 44 2026-09-18
121.128.166.0/24 v4 AS4790 Chosun ilbo Inc. no ROA 44 2026-09-18
121.128.219.0/24 v4 AS9647 Seoul Metropolitan Government no ROA 44 2026-09-18
121.128.224.0/24 v4 AS38122 Seoul Guarantee Insurance Company no ROA 44 2026-09-18
121.128.225.0/24 v4 AS38122 Seoul Guarantee Insurance Company no ROA 44 2026-09-18
121.129.49.0/24 v4 AS9776 KOOKMIN BANK no ROA 44 2026-09-18
121.129.49.26/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.32/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.33/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.36/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.38/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.42/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.49/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.56/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.58/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.59/32 v4 AS9776 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.67/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.70/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.72/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.91/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.104/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.105/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.107/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.49.108/32 v4 AS10196 KOOKMIN BANK no ROA 1 2026-09-18
121.129.83.64/28 v4 AS152234 GYEONGGI TRANSPORT CORPORATION no ROA 2 2026-09-18
121.130.46.0/24 v4 AS9684 HANWHA Corp. Information Service div. no ROA 44 2026-09-18
121.130.47.0/24 v4 AS9684 HANWHA Corp. Information Service div. no ROA 44 2026-09-18
121.130.133.28/30 v4 AS4766 Korea Telecom no ROA 1 2026-09-18
121.131.7.0/24 v4 AS10040 NICE Information Telecommunication, Inc no ROA 44 2026-09-18
121.131.7.0/25 v4 AS10040 NICE Information Telecommunication, Inc no ROA 2 2026-09-18
121.131.7.128/25 v4 AS10040 NICE Information Telecommunication, Inc no ROA 2 2026-09-18
121.131.69.64/27 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
121.131.145.0/24 v4 AS38126 Seoul Information Service Inc. no ROA 44 2026-09-18
121.131.151.32/29 v4 AS10060 YONSEI UNIVERSITY HEALTH SYSTEM no ROA 2 2026-09-18
121.131.196.192/27 v4 AS17859 NICEINFOMATIONSERVICE no ROA 2 2026-09-18
121.131.216.0/24 v4 AS152214 Korean Air Lines no ROA 44 2026-09-18
121.131.217.0/24 v4 AS9856 WOORI Investment @ Securities no ROA 44 2026-09-18
121.133.126.0/24 v4 AS45401 NICE Information Telecommunication, Inc no ROA 44 2026-09-18
121.133.165.160/28 v4 AS152281 SHARE.DEV Co., Ltd. no ROA 2 2026-09-18
121.133.198.0/24 v4 AS38394 Gyeonggido Seongnam Office of Education no ROA 44 2026-09-18
121.133.199.0/24 v4 AS38395 GwangJuHaNam Office of Education no ROA 44 2026-09-18
121.133.199.0/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.16/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.32/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.48/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.64/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.80/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.96/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.112/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.128/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.144/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.160/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.176/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.192/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.208/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.224/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.199.240/28 v4 AS38395 GwangJuHaNam Office of Education no ROA 2 2026-09-18
121.133.203.0/24 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 44 2026-09-18
121.133.203.0/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.16/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.32/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.48/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.64/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.80/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.96/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.112/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.128/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.144/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.160/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.176/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.192/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.208/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.224/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.203.240/28 v4 AS38399 Gyeonggi-do Yeoju Office of Education no ROA 2 2026-09-18
121.133.209.0/24 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 44 2026-09-18
121.133.209.0/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.16/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.32/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.48/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.64/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.80/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.96/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.112/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.128/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.144/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.160/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.176/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.192/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.208/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.224/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.133.209.240/28 v4 AS38412 Gyeonggi-Do Icheon office of Education no ROA 2 2026-09-18
121.134.220.0/27 v4 AS4671 KTOA no ROA 2 2026-09-18
121.134.220.32/27 v4 AS4671 KTOA no ROA 2 2026-09-18
121.134.234.0/24 v4 AS18333 at(Korea Argo-Fisheries Food Trade Corporation) no ROA 43 2026-09-18
121.135.53.0/24 v4 AS38697 Hankyong National Univercity no ROA 44 2026-09-18
121.135.54.0/24 v4 AS38697 Hankyong National Univercity no ROA 44 2026-09-18
121.135.55.0/24 v4 AS38697 Hankyong National Univercity no ROA 44 2026-09-18
121.135.56.0/24 v4 AS38697 Hankyong National Univercity no ROA 44 2026-09-18
121.135.57.48/29 v4 AS38697 Hankyong National Univercity no ROA 2 2026-09-18
121.135.57.64/26 v4 AS38697 Hankyong National Univercity no ROA 2 2026-09-18
121.135.57.128/25 v4 AS38697 Hankyong National Univercity no ROA 2 2026-09-18
121.135.147.0/24 v4 AS46002 PHIS no ROA 44 2026-09-18
121.135.147.0/25 v4 AS46002 PHIS no ROA 2 2026-09-18
121.135.147.128/25 v4 AS46002 PHIS no ROA 2 2026-09-18
121.135.148.0/24 v4 AS46002 PHIS no ROA 44 2026-09-18
121.135.148.0/25 v4 AS46002 PHIS no ROA 2 2026-09-18
121.135.148.128/25 v4 AS46002 PHIS no ROA 2 2026-09-18
121.135.181.0/27 v4 AS10154 DUNAMU no ROA 2 2026-09-18
121.135.246.0/24 v4 AS9696 Oscar Enterprise no ROA 44 2026-09-18