Robtex

Up: 121.7.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 121.7.64.0/20
Down right: 121.7.80.0/20

IP	Type	Hostname
121.7.64.179	PTR	bb121-7-64-179.singnet.com.sg
121.7.64.219	A+PTR	bb121-7-64-219.singnet.com.sg
121.7.65.48	A+PTR	bb121-7-65-48.singnet.com.sg
121.7.65.191	A+PTR	bb121-7-65-191.singnet.com.sg
121.7.66.254	A	bb121-7-66-254.singnet.com.sg
121.7.67.48	A+PTR	bb121-7-67-48.singnet.com.sg
121.7.67.251	PTR	bb121-7-67-251.singnet.com.sg
121.7.68.14	A	bb121-7-68-14.singnet.com.sg
121.7.68.197	A	bb121-7-68-197.singnet.com.sg
121.7.68.212	A	bb121-7-68-212.singnet.com.sg
121.7.69.66	PTR	bb121-7-69-66.singnet.com.sg
121.7.69.78	PTR	bb121-7-69-78.singnet.com.sg
121.7.69.239	PTR	bb121-7-69-239.singnet.com.sg
121.7.69.251	A+PTR	bb121-7-69-251.singnet.com.sg
121.7.70.82	A	bb121-7-70-82.singnet.com.sg
121.7.70.156	A+PTR	bb121-7-70-156.singnet.com.sg
121.7.71.54	A+PTR	bb121-7-71-54.singnet.com.sg
121.7.71.54	A	salbang.com
121.7.72.169	A	bb121-7-72-169.singnet.com.sg
121.7.73.86	A+PTR	bb121-7-73-86.singnet.com.sg
121.7.73.189	A+PTR	bb121-7-73-189.singnet.com.sg
121.7.73.189	A	datelah.com
121.7.74.55	A	bb121-7-74-55.singnet.com.sg
121.7.74.251	A	bb121-7-74-251.singnet.com.sg
121.7.75.161	PTR	bb121-7-75-161.singnet.com.sg
121.7.76.14	A	bb121-7-76-14.singnet.com.sg
121.7.77.150	A+PTR	bb121-7-77-150.singnet.com.sg
121.7.77.205	A+PTR	bb121-7-77-205.singnet.com.sg
121.7.78.25	A	mail.tallguysg.com
121.7.78.146	A	fantasy.changeip.org
121.7.78.147	A	bb121-7-78-147.singnet.com.sg
121.7.78.148	A	bb121-7-78-148.singnet.com.sg
121.7.78.164	A	bb121-7-78-164.singnet.com.sg
121.7.80.146	A	bb121-7-80-146.singnet.com.sg
121.7.82.162	A+PTR	bb121-7-82-162.singnet.com.sg
121.7.83.133	A	bb121-7-83-133.singnet.com.sg
121.7.85.237	A+PTR	bb121-7-85-237.singnet.com.sg
121.7.85.240	PTR	bb121-7-85-240.singnet.com.sg
121.7.86.203	A+PTR	bb121-7-86-203.singnet.com.sg
121.7.87.28	A+PTR	bb121-7-87-28.singnet.com.sg
121.7.87.88	A+PTR	bb121-7-87-88.singnet.com.sg
121.7.88.126	A	bb121-7-88-126.singnet.com.sg
121.7.89.8	A+PTR	bb121-7-89-8.singnet.com.sg
121.7.89.8	A	klrd.bounceme.net
121.7.89.69	A+PTR	bb121-7-89-69.singnet.com.sg
121.7.89.159	PTR	bb121-7-89-159.singnet.com.sg
121.7.90.106	A+PTR	bb121-7-90-106.singnet.com.sg
121.7.90.120	A+PTR	bb121-7-90-120.singnet.com.sg
121.7.90.157	A+PTR	bb121-7-90-157.singnet.com.sg
121.7.90.205	A	comtechix.com
121.7.90.224	A+PTR	bb121-7-90-224.singnet.com.sg
121.7.92.19	A	bb121-7-92-19.singnet.com.sg
121.7.92.192	PTR	bb121-7-92-192.singnet.com.sg
121.7.93.12	A+PTR	bb121-7-93-12.singnet.com.sg
121.7.93.95	A	bb121-7-93-95.singnet.com.sg
121.7.94.69	A	bb121-7-94-69.singnet.com.sg
121.7.94.108	A	bb121-7-94-108.singnet.com.sg
121.7.95.67	A+PTR	bb121-7-95-67.singnet.com.sg
121.7.95.81	A+PTR	bb121-7-95-81.singnet.com.sg
121.7.95.167	A+PTR	bb121-7-95-167.singnet.com.sg