Robtex

Up: 121.6.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 121.6.208.0/22
Down right: 121.6.212.0/22

IP	Type	Hostname
121.6.208.22	A	bb121-6-208-22.singnet.com.sg
121.6.208.76	A	mypc2.com
121.6.208.90	PTR	bb121-6-208-90.singnet.com.sg
121.6.208.132	A	bb121-6-208-132.singnet.com.sg
121.6.208.135	A	bb121-6-208-135.singnet.com.sg
121.6.208.181	A	bb121-6-208-181.singnet.com.sg
121.6.209.30	A+PTR	bb121-6-209-30.singnet.com.sg
121.6.210.130	A	bb121-6-210-130.singnet.com.sg
121.6.210.140	PTR	bb121-6-210-140.singnet.com.sg
121.6.210.172	PTR	bb121-6-210-172.singnet.com.sg
121.6.210.184	A+PTR	bb121-6-210-184.singnet.com.sg
121.6.211.4	PTR	bb121-6-211-4.singnet.com.sg
121.6.211.125	A	bb121-6-211-125.singnet.com.sg
121.6.212.9	PTR	bb121-6-212-9.singnet.com.sg
121.6.212.25	PTR	bb121-6-212-25.singnet.com.sg
121.6.212.81	PTR	bb121-6-212-81.singnet.com.sg
121.6.212.91	A+PTR	bb121-6-212-91.singnet.com.sg
121.6.212.127	A	bb121-6-212-127.singnet.com.sg
121.6.212.224	A+PTR	bb121-6-212-224.singnet.com.sg
121.6.213.68	PTR	bb121-6-213-68.singnet.com.sg
121.6.213.213	A+PTR	bb121-6-213-213.singnet.com.sg
121.6.214.6	A	bb121-6-214-6.singnet.com.sg
121.6.214.7	A	bb121-6-214-7.singnet.com.sg
121.6.214.54	A	kimidori.dyndns.org
121.6.214.107	A+PTR	bb121-6-214-107.singnet.com.sg
121.6.215.185	PTR	bb121-6-215-185.singnet.com.sg
121.6.215.227	PTR	bb121-6-215-227.singnet.com.sg