206208 looking glass

211.252.0.0/15 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 2026-09-28

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
211.252.0.0/15
RIR
APNIC
Country
🇰🇷 KR
Status
allocated
Allocated
2000-09-08

Less specific routes

Announced prefixes that contain this one

Nothing less specific is announced.

More specific routes

179 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
211.252.20.0/24 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 43 2026-09-18
211.252.20.0/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.16/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.32/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.48/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.64/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.80/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.96/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.112/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.128/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.144/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.160/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.176/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.192/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.208/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.224/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.20.240/28 v4 AS38407 Gyeonggi-Do Ansan Office of Education no ROA 2 2026-09-18
211.252.21.0/24 v4 AS38414 Gyeonggi siheung office of education no ROA 43 2026-09-18
211.252.21.0/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.16/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.32/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.48/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.64/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.80/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.96/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.112/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.128/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.144/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.160/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.176/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.192/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.208/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.224/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.21.240/28 v4 AS38414 Gyeonggi siheung office of education no ROA 2 2026-09-18
211.252.36.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.37.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.252.61.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.64.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.65.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.66.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.67.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.68.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.69.0/24 v4 AS9318 SK Broadband Co Ltd no ROA 44 2026-09-18
211.252.71.0/24 v4 AS38405 Gwang Myeong Office of Education no ROA 43 2026-09-18
211.252.75.192/26 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.106.128/25 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.112.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.113.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.114.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.115.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.116.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.120.0/22 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.128.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.129.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.130.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.131.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.132.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.133.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.134.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.135.0/24 v4 AS9524 Hyundai Autoever Corp. no ROA 43 2026-09-18
211.252.138.64/26 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.141.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.150.0/24 v4 AS9642 Korea Internet Security Agency no ROA 43 2026-09-18
211.252.151.0/24 v4 AS9642 Korea Internet Security Agency no ROA 43 2026-09-18
211.252.157.0/24 v4 AS55598 Korea Environmental Technology Industry Institute no ROA 43 2026-09-18
211.252.159.0/25 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.159.128/26 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.159.240/28 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.180.0/26 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.180.192/28 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.180.224/28 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.186.240/28 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.196.192/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.196.224/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.198.96/27 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.198.128/26 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.198.192/27 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.198.224/27 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.200.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.201.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.202.0/25 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.252.203.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.252.208.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.209.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.210.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.220.0/24 v4 AS9647 Seoul Metropolitan Government no ROA 43 2026-09-18
211.252.223.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.252.228.64/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.228.96/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.252.233.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.234.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.239.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.252.240.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.241.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.242.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.243.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.244.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.245.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.246.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.248.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.252.249.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.5.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.32.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.32.0/25 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.253.33.0/24 v4 AS9647 Seoul Metropolitan Government no ROA 43 2026-09-18
211.253.34.0/24 v4 AS9647 Seoul Metropolitan Government no ROA 43 2026-09-18
211.253.40.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.41.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.42.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.48.0/21 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.56.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.59.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.59.0/25 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.253.59.128/25 v4 AS4766 Korea Telecom no ROA 2 2026-09-18
211.253.60.0/24 v4 AS17574 Seoul Metropolitan Government Computer Center no ROA 10 2026-09-18
211.253.60.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 33 2026-09-18
211.253.60.18/32 v4 AS17574 Seoul Metropolitan Government Computer Center no ROA 1 2026-09-18
211.253.60.34/32 v4 AS17574 Seoul Metropolitan Government Computer Center no ROA 1 2026-09-18
211.253.61.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 21 2026-09-18
211.253.61.0/24 v4 AS17574 Seoul Metropolitan Government Computer Center no ROA 21 2026-09-18
211.253.62.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.65.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.253.67.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.253.68.0/22 v4 AS9531 Gwangju Education Research Information Service no ROA 43 2026-09-18
211.253.72.0/21 v4 AS9531 Gwangju Education Research Information Service no ROA 43 2026-09-18
211.253.82.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.88.0/25 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.88.128/26 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.96.0/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.96.96/27 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.98.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.99.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.109.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.110.0/24 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.111.0/25 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.121.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.122.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.124.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.124.32/27 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 2 2026-09-18
211.253.124.64/27 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 2 2026-09-18
211.253.146.128/25 v4 AS45400 Korea Telecom no ROA 2 2026-09-18
211.253.148.0/24 v4 AS17841 NATIONAL INFORMATION RESOURCES SERVICE no ROA 43 2026-09-18
211.253.149.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.253.150.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.253.154.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.176.0/20 v4 AS10176 Daejon Metropolitan Office of Education no ROA 43 2026-09-18
211.253.204.0/24 v4 AS9857 KOREA GAS CORPORATION no ROA 43 2026-09-18
211.253.205.0/24 v4 AS9857 KOREA GAS CORPORATION no ROA 43 2026-09-18
211.253.206.0/24 v4 AS9857 KOREA GAS CORPORATION no ROA 43 2026-09-18
211.253.207.0/24 v4 AS9857 KOREA GAS CORPORATION no ROA 43 2026-09-18
211.253.211.0/24 v4 AS9840 INSPIRE Integrated Resort no ROA 43 2026-09-18
211.253.219.0/24 v4 AS55596 Gachon University Gil Hospital no ROA 43 2026-09-18
211.253.219.0/25 v4 AS55596 Gachon University Gil Hospital no ROA 2 2026-09-18
211.253.219.128/25 v4 AS55596 Gachon University Gil Hospital no ROA 2 2026-09-18
211.253.224.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.225.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.226.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.227.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.228.0/23 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.228.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.229.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.230.0/23 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.230.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.231.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.232.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.233.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.234.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.235.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.236.0/23 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.236.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.237.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.238.0/23 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.238.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.239.0/24 v4 AS9955 Baekseok University no ROA 43 2026-09-18
211.253.244.0/22 v4 AS4766 Korea Telecom no ROA 43 2026-09-18
211.253.248.0/24 v4 AS17584 Inchon Metropolitan Office Of Education no ROA 43 2026-09-18
211.253.249.0/24 v4 AS17584 Inchon Metropolitan Office Of Education no ROA 43 2026-09-18
211.253.250.0/24 v4 AS45400 Korea Telecom no ROA 43 2026-09-18
211.253.251.0/24 v4 AS18323 Seoul National University Bundang Hospital no ROA 43 2026-09-18