210.121.0.0/21

ip:	210.121.0.0 
loc:	South Korea, Chungju-si (North Chungcheong)  
isp:	AS9848 SEJONG NETWORKS » CCS » Sejong Telecom 148.815 ms
route:	210.121.0.0/21, SEJONG-KR - SEJONG NETWORKS, KR (Chungju-si (Yongsan-dong)) ... 
reg:	210.121.0.0/17, KR, APNIC, 1996-11-26
asn:	AS45374 - CCS-AS CCS, KR
	  AS9848  - SejongTelecom-AS-KR SEJONG NETWORKS, KR
addr:	  12 Gwacheon-daero 7-gil Gwacheon-si Gyeonggi-do (Galhyeondong)
online:	  462 » latency: 277 ms (288ms) 

see also:
   210.121.0.0/17   AS9848   SEJONG-KR SEJONG NETWORKS, KR