Robtex

Up: 121.6.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 121.6.64.0/20
Down right: 121.6.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.6.64.160	PTR	bb121-6-64-160.singnet.com.sg
121.6.64.205	A	bb121-6-64-205.singnet.com.sg
121.6.64.225	PTR	bb121-6-64-225.singnet.com.sg
121.6.65.112	A	bb121-6-65-112.singnet.com.sg
121.6.65.123	A	bb121-6-65-123.singnet.com.sg
121.6.65.201	A	bb121-6-65-201.singnet.com.sg
121.6.65.215	A	bb121-6-65-215.singnet.com.sg
121.6.65.227	PTR	bb121-6-65-227.singnet.com.sg
121.6.66.195	A	bb121-6-66-195.singnet.com.sg
121.6.67.71	A	bb121-6-67-71.singnet.com.sg
121.6.67.136	A	bb121-6-67-136.singnet.com.sg
121.6.67.166	A	bb121-6-67-166.singnet.com.sg
121.6.68.97	A+PTR	bb121-6-68-97.singnet.com.sg
121.6.68.116	A+PTR	bb121-6-68-116.singnet.com.sg
121.6.68.203	A	bb121-6-68-203.singnet.com.sg
121.6.69.72	A	bb121-6-69-72.singnet.com.sg
121.6.69.78	A+PTR	bb121-6-69-78.singnet.com.sg
121.6.69.94	A+PTR	bb121-6-69-94.singnet.com.sg
121.6.71.119	A+PTR	bb121-6-71-119.singnet.com.sg
121.6.73.224	A+PTR	bb121-6-73-224.singnet.com.sg
121.6.74.2	A	bb121-6-74-2.singnet.com.sg
121.6.74.44	A+PTR	bb121-6-74-44.singnet.com.sg
121.6.76.8	A+PTR	bb121-6-76-8.singnet.com.sg
121.6.76.8	A	lgfl8.com
121.6.76.44	A+PTR	bb121-6-76-44.singnet.com.sg
121.6.76.44	A	zhonghuawushu.info
121.6.76.44	A	aktio.com.sg
121.6.76.98	A+PTR	bb121-6-76-98.singnet.com.sg
121.6.77.148	A+PTR	bb121-6-77-148.singnet.com.sg
121.6.78.168	A	bb121-6-78-168.singnet.com.sg
121.6.78.218	A+PTR	bb121-6-78-218.singnet.com.sg
121.6.79.23	A+PTR	bb121-6-79-23.singnet.com.sg
121.6.79.25	A	smilelinkdental.com
121.6.79.195	A+PTR	bb121-6-79-195.singnet.com.sg
121.6.80.39	A+PTR	bb121-6-80-39.singnet.com.sg
121.6.80.59	A+PTR	bb121-6-80-59.singnet.com.sg
121.6.80.157	A+PTR	bb121-6-80-157.singnet.com.sg
121.6.82.170	PTR	bb121-6-82-170.singnet.com.sg
121.6.82.181	A+PTR	bb121-6-82-181.singnet.com.sg
121.6.82.234	PTR	bb121-6-82-234.singnet.com.sg
121.6.83.83	A	bb121-6-83-83.singnet.com.sg
121.6.83.113	A	bb121-6-83-113.singnet.com.sg
121.6.83.202	A	bb121-6-83-202.singnet.com.sg
121.6.83.219	A	bb121-6-83-219.singnet.com.sg
121.6.84.159	PTR	bb121-6-84-159.singnet.com.sg
121.6.84.160	A	bb121-6-84-160.singnet.com.sg
121.6.84.161	PTR	bb121-6-84-161.singnet.com.sg
121.6.84.170	PTR	bb121-6-84-170.singnet.com.sg
121.6.85.22	A+PTR	bb121-6-85-22.singnet.com.sg
121.6.85.52	A	bb121-6-85-52.singnet.com.sg
121.6.86.198	A+PTR	bb121-6-86-198.singnet.com.sg
121.6.86.217	PTR	bb121-6-86-217.singnet.com.sg
121.6.86.252	A+PTR	bb121-6-86-252.singnet.com.sg
121.6.87.21	A+PTR	bb121-6-87-21.singnet.com.sg
121.6.87.38	A+PTR	bb121-6-87-38.singnet.com.sg
121.6.87.49	A+PTR	bb121-6-87-49.singnet.com.sg
121.6.87.141	A+PTR	bb121-6-87-141.singnet.com.sg
121.6.87.184	A+PTR	bb121-6-87-184.singnet.com.sg
121.6.89.144	PTR	bb121-6-89-144.singnet.com.sg
121.6.90.69	A	ipylc2018.com
121.6.90.69	A	www.ipylc2018.com
121.6.90.96	A	bb121-6-90-96.singnet.com.sg
121.6.90.98	A	bb121-6-90-98.singnet.com.sg
121.6.90.220	A	bb121-6-90-220.singnet.com.sg
121.6.91.55	A	bb121-6-91-55.singnet.com.sg
121.6.91.128	PTR	bb121-6-91-128.singnet.com.sg
121.6.92.99	A+PTR	bb121-6-92-99.singnet.com.sg
121.6.92.99	A	siddique.info
121.6.93.132	A+PTR	bb121-6-93-132.singnet.com.sg
121.6.93.132	A	psoftcloud.com
121.6.95.7	A+PTR	bb121-6-95-7.singnet.com.sg
121.6.95.43	A	bb121-6-95-43.singnet.com.sg
121.6.95.76	A+PTR	bb121-6-95-76.singnet.com.sg
121.6.95.86	A	bb121-6-95-86.singnet.com.sg
121.6.95.132	A+PTR	bb121-6-95-132.singnet.com.sg