Robtex

Up: 115.66.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 115.66.56.0/22
Down right: 115.66.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.66.56.48	A+PTR	bb115-66-56-48.singnet.com.sg
115.66.56.48	A	storeships.com
115.66.56.50	A+PTR	bb115-66-56-50.singnet.com.sg
115.66.56.78	A+PTR	bb115-66-56-78.singnet.com.sg
115.66.56.98	A+PTR	bb115-66-56-98.singnet.com.sg
115.66.57.33	A+PTR	bb115-66-57-33.singnet.com.sg
115.66.57.55	A	bb115-66-57-55.singnet.com.sg
115.66.57.64	PTR	bb115-66-57-64.singnet.com.sg
115.66.57.68	A	bb115-66-57-68.singnet.com.sg
115.66.57.80	A+PTR	bb115-66-57-80.singnet.com.sg
115.66.57.87	A	bb115-66-57-87.singnet.com.sg
115.66.57.112	A+PTR	bb115-66-57-112.singnet.com.sg
115.66.57.139	PTR	bb115-66-57-139.singnet.com.sg
115.66.57.142	A	bb115-66-57-142.singnet.com.sg
115.66.57.150	A	bb115-66-57-150.singnet.com.sg
115.66.57.162	A+PTR	bb115-66-57-162.singnet.com.sg
115.66.57.164	A	bb115-66-57-164.singnet.com.sg
115.66.57.166	A	bb115-66-57-166.singnet.com.sg
115.66.57.176	A+PTR	bb115-66-57-176.singnet.com.sg
115.66.57.180	A	suencs.com
115.66.57.184	A+PTR	bb115-66-57-184.singnet.com.sg
115.66.57.209	PTR	bb115-66-57-209.singnet.com.sg
115.66.57.227	PTR	bb115-66-57-227.singnet.com.sg
115.66.57.231	A	bb115-66-57-231.singnet.com.sg
115.66.58.66	A+PTR	bb115-66-58-66.singnet.com.sg
115.66.58.66	A	mail.jungmyungseok.net
115.66.58.78	A	bb115-66-58-78.singnet.com.sg
115.66.58.112	A+PTR	bb115-66-58-112.singnet.com.sg
115.66.58.138	A+PTR	bb115-66-58-138.singnet.com.sg
115.66.58.139	PTR	bb115-66-58-139.singnet.com.sg
115.66.58.205	A	hketogaladinner.com
115.66.58.205	A	nplive2017.com
115.66.58.205	A	hrsummitregistration.com
115.66.58.244	A	bb115-66-58-244.singnet.com.sg
115.66.59.112	A+PTR	bb115-66-59-112.singnet.com.sg
115.66.59.169	A+PTR	bb115-66-59-169.singnet.com.sg
115.66.59.198	A+PTR	bb115-66-59-198.singnet.com.sg
115.66.59.248	PTR	bb115-66-59-248.singnet.com.sg
115.66.62.11	A	ictmalaysia.com
115.66.62.161	A+PTR	bb115-66-62-161.singnet.com.sg
115.66.62.170	A+PTR	bb115-66-62-170.singnet.com.sg
115.66.63.17	PTR	bb115-66-63-17.singnet.com.sg