Robtex

Up: 121.7.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 121.7.160.0/20
Down right: 121.7.176.0/20

IP	Type	Hostname
121.7.160.87	A	bb121-7-160-87.singnet.com.sg
121.7.161.142	A+PTR	bb121-7-161-142.singnet.com.sg
121.7.162.18	A	bb121-7-162-18.singnet.com.sg
121.7.162.20	A	smtp.kenputer.biz
121.7.162.20	A	*.kenputer.biz
121.7.162.182	PTR	bb121-7-162-182.singnet.com.sg
121.7.162.191	A	brompton.homedns.org
121.7.163.47	A+PTR	bb121-7-163-47.singnet.com.sg
121.7.163.153	A+PTR	bb121-7-163-153.singnet.com.sg
121.7.164.10	A	bb121-7-164-10.singnet.com.sg
121.7.164.16	A	bb121-7-164-16.singnet.com.sg
121.7.164.60	A	mail.xu-ibg.com
121.7.164.60	A	xu-ibg.com
121.7.164.67	A	congyuan.net
121.7.164.234	A	bb121-7-164-234.singnet.com.sg
121.7.165.106	A+PTR	bb121-7-165-106.singnet.com.sg
121.7.165.106	A	edu-sh.com
121.7.165.147	PTR	bb121-7-165-147.singnet.com.sg
121.7.165.201	A+PTR	bb121-7-165-201.singnet.com.sg
121.7.167.7	A+PTR	bb121-7-167-7.singnet.com.sg
121.7.167.42	A+PTR	bb121-7-167-42.singnet.com.sg
121.7.167.77	A+PTR	bb121-7-167-77.singnet.com.sg
121.7.167.149	A+PTR	bb121-7-167-149.singnet.com.sg
121.7.168.217	A+PTR	bb121-7-168-217.singnet.com.sg
121.7.169.47	A+PTR	bb121-7-169-47.singnet.com.sg
121.7.169.215	PTR	bb121-7-169-215.singnet.com.sg
121.7.170.137	PTR	bb121-7-170-137.singnet.com.sg
121.7.170.212	A+PTR	bb121-7-170-212.singnet.com.sg
121.7.170.229	A+PTR	bb121-7-170-229.singnet.com.sg
121.7.171.140	A	bb121-7-171-140.singnet.com.sg
121.7.172.42	A	angmohapproved.com
121.7.172.77	A	bb121-7-172-77.singnet.com.sg
121.7.173.18	A	bb121-7-173-18.singnet.com.sg
121.7.173.238	A	bb121-7-173-238.singnet.com.sg
121.7.173.240	A	bb121-7-173-240.singnet.com.sg
121.7.175.21	A+PTR	bb121-7-175-21.singnet.com.sg
121.7.175.169	A+PTR	bb121-7-175-169.singnet.com.sg
121.7.175.203	PTR	bb121-7-175-203.singnet.com.sg
121.7.176.112	A	bb121-7-176-112.singnet.com.sg
121.7.176.206	PTR	bb121-7-176-206.singnet.com.sg
121.7.177.123	A+PTR	bb121-7-177-123.singnet.com.sg
121.7.177.136	PTR	bb121-7-177-136.singnet.com.sg
121.7.178.169	A+PTR	bb121-7-178-169.singnet.com.sg
121.7.179.35	A+PTR	bb121-7-179-35.singnet.com.sg
121.7.179.140	A+PTR	bb121-7-179-140.singnet.com.sg
121.7.181.32	PTR	bb121-7-181-32.singnet.com.sg
121.7.181.111	A+PTR	bb121-7-181-111.singnet.com.sg
121.7.181.210	PTR	bb121-7-181-210.singnet.com.sg
121.7.182.15	PTR	bb121-7-182-15.singnet.com.sg
121.7.182.121	A	allied5.org
121.7.182.123	A+PTR	bb121-7-182-123.singnet.com.sg
121.7.182.144	A+PTR	bb121-7-182-144.singnet.com.sg
121.7.182.234	A	allied5.org
121.7.183.84	A+PTR	bb121-7-183-84.singnet.com.sg
121.7.183.102	A+PTR	bb121-7-183-102.singnet.com.sg
121.7.183.205	A+PTR	bb121-7-183-205.singnet.com.sg
121.7.183.235	A	bb121-7-183-235.singnet.com.sg
121.7.184.169	A+PTR	bb121-7-184-169.singnet.com.sg
121.7.185.1	A+PTR	bb121-7-185-1.singnet.com.sg
121.7.185.81	A	dereklim.com
121.7.186.27	A	bb121-7-186-27.singnet.com.sg
121.7.187.150	PTR	bb121-7-100-150.singnet.com.sg
121.7.188.224	PTR	bb121-7-188-224.singnet.com.sg
121.7.188.247	A	bb121-7-188-247.singnet.com.sg
121.7.189.21	A+PTR	bb121-7-189-21.singnet.com.sg
121.7.189.166	A+PTR	bb121-7-189-166.singnet.com.sg
121.7.189.203	A+PTR	bb121-7-189-203.singnet.com.sg
121.7.190.161	PTR	bb121-7-190-161.singnet.com.sg
121.7.190.162	A+PTR	bb121-7-190-162.singnet.com.sg
121.7.191.67	A+PTR	bb121-7-191-67.singnet.com.sg