Robtex

Up: 219.150.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 219.150.48.0/21
Down right: 219.150.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
219.150.54.26	A	tjtfky.com
219.150.54.66	A	www.tjppca.com.cn
219.150.54.153	A	mail.aimatech.net
219.150.54.154	A+PTR	mail.aimatech.com
219.150.54.154	A	mail.aimatech.net
219.150.54.154	A	mail.aimakeji.com
219.150.56.232	A	tjiot.net