Robtex

Up: 138.19.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 138.19.80.0/21
Down right: 138.19.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.19.80.44	A+PTR	138019080044.ctinets.com
138.19.80.44	A	nouveeplabsynestr.com
138.19.80.119	A+PTR	138019080119.ctinets.com
138.19.80.119	A	proticongemocomm.com
138.19.83.2	A+PTR	138019083002.ctinets.com
138.19.83.2	A	steffiwinson.com
138.19.83.2	A	www.steffiwinson.com
138.19.84.28	A+PTR	138019084028.ctinets.com
138.19.84.28	A	twinsworld.hk
138.19.85.91	A+PTR	138019085091.ctinets.com
138.19.85.91	A	caatraining.org
138.19.85.91	A	ononsense.com
138.19.85.100	A+PTR	138019085100.ctinets.com
138.19.85.100	A	beautymoment.net
138.19.85.150	A+PTR	138019085150.ctinets.com
138.19.85.159	A	*.irendezvous.net
138.19.86.64	PTR	138019086064.ctinets.com
138.19.86.180	A+PTR	138019086180.ctinets.com
138.19.86.180	A	thetrapexpert.com
138.19.86.248	A+PTR	138019086248.ctinets.com
138.19.86.248	A	diverx.myqnapcloud.com
138.19.87.37	A	ddns.dondon.info
138.19.87.124	A+PTR	138019087124.ctinets.com
138.19.87.124	A	jimmytse.synology.me
138.19.87.152	A+PTR	138019087152.ctinets.com
138.19.89.197	A+PTR	138019089197.ctinets.com
138.19.90.37	A+PTR	138019090037.ctinets.com
138.19.90.58	A+PTR	138019090058.ctinets.com
138.19.90.58	A	andylkl.no-ip.biz
138.19.91.101	A+PTR	138019091101.ctinets.com
138.19.91.214	A+PTR	138019091214.ctinets.com
138.19.92.40	A+PTR	138019092040.ctinets.com
138.19.92.40	A	rfic-lab.com
138.19.92.71	A+PTR	138019092071.ctinets.com
138.19.92.93	A+PTR	138019092093.ctinets.com
138.19.92.93	A	www.alankwok.dsmynas.com
138.19.92.93	A	alankwok.dsmynas.com
138.19.92.106	A+PTR	138019092106.ctinets.com
138.19.92.188	A+PTR	138019092188.ctinets.com
138.19.92.188	A	kingofcoders.com
138.19.92.188	A	www.kingofcoders.com
138.19.93.214	A+PTR	138019093214.ctinets.com
138.19.94.148	A+PTR	138019094148.ctinets.com
138.19.95.68	A+PTR	138019095068.ctinets.com