Robtex

Up: 138.19.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 138.19.64.0/22
Down right: 138.19.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.19.64.42	A+PTR	138019064042.ctinets.com
138.19.64.42	A	ivanyu-com.softether.net
138.19.64.67	A+PTR	138019064067.ctinets.com
138.19.64.67	A	cheungking.com
138.19.64.139	A+PTR	138019064139.ctinets.com
138.19.64.139	A	ckf.myqnapcloud.com
138.19.65.26	A+PTR	138019065026.ctinets.com
138.19.65.26	A	mail.wintech-studio.com
138.19.65.26	A	wintech-studio.com
138.19.65.49	PTR	138019065049.ctinets.com
138.19.65.49	A	mail.christinagary.com
138.19.66.213	A+PTR	138019066213.ctinets.com
138.19.67.191	A+PTR	138019067191.ctinets.com
138.19.67.191	A	bbgage.com
138.19.67.191	A	hkbeanseeker.com
138.19.67.234	A+PTR	138019067234.ctinets.com
138.19.67.234	A	cheungking.com
138.19.67.237	A+PTR	138019067237.ctinets.com
138.19.67.237	A	wongs.gotdns.com
138.19.68.232	A+PTR	138019068232.ctinets.com
138.19.68.232	A	www.ipbase.synology.me
138.19.68.232	A	ipbase.synology.me
138.19.71.153	A+PTR	138019071153.ctinets.com