Robtex

Up: 219.74.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 219.74.40.0/23
Down right: 219.74.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
219.74.40.2	A+PTR	bb219-74-40-2.singnet.com.sg
219.74.40.41	A+PTR	bb219-74-40-41.singnet.com.sg
219.74.40.89	A+PTR	bb219-74-40-89.singnet.com.sg
219.74.40.99	A+PTR	bb219-74-40-99.singnet.com.sg
219.74.40.109	A+PTR	bb219-74-40-109.singnet.com.sg
219.74.40.145	A+PTR	bb219-74-40-145.singnet.com.sg
219.74.40.208	A+PTR	bb219-74-40-208.singnet.com.sg
219.74.40.209	A+PTR	bb219-74-40-209.singnet.com.sg
219.74.40.219	A+PTR	bb219-74-40-219.singnet.com.sg
219.74.40.225	A+PTR	bb219-74-40-225.singnet.com.sg
219.74.40.228	A+PTR	bb219-74-40-228.singnet.com.sg
219.74.40.240	A+PTR	bb219-74-40-240.singnet.com.sg
219.74.40.241	A+PTR	bb219-74-40-241.singnet.com.sg
219.74.40.245	A+PTR	bb219-74-40-245.singnet.com.sg
219.74.40.249	A+PTR	bb219-74-40-249.singnet.com.sg
219.74.41.46	A+PTR	bb219-74-41-46.singnet.com.sg
219.74.41.46	A	jvj28.com
219.74.41.46	A	monster-jj.jvj28.com
219.74.41.97	A+PTR	bb219-74-41-97.singnet.com.sg
219.74.41.113	A+PTR	bb219-74-41-113.singnet.com.sg
219.74.41.136	A+PTR	bb219-74-41-136.singnet.com.sg
219.74.41.207	A+PTR	bb219-74-41-207.singnet.com.sg
219.74.41.209	A+PTR	bb219-74-41-209.singnet.com.sg
219.74.41.222	A+PTR	bb219-74-41-222.singnet.com.sg
219.74.42.64	PTR	bb219-74-42-64.singnet.com.sg
219.74.42.92	A+PTR	bb219-74-42-92.singnet.com.sg
219.74.42.93	A+PTR	bb219-74-42-93.singnet.com.sg
219.74.42.117	PTR	bb219-74-42-117.singnet.com.sg
219.74.42.209	A+PTR	bb219-74-42-209.singnet.com.sg
219.74.43.47	A+PTR	bb219-74-43-47.singnet.com.sg
219.74.43.83	A+PTR	bb219-74-43-83.singnet.com.sg
219.74.43.183	PTR	bb219-74-43-183.singnet.com.sg