Robtex

Up: 210.6.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.6.12.0/23
Down right: 210.6.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.6.12.14	A	210006012014.ctinets.com
210.6.12.35	A+PTR	210006012035.ctinets.com
210.6.12.43	A	210006012043.ctinets.com
210.6.12.73	A	210006012073.ctinets.com
210.6.12.77	A	210006012077.ctinets.com
210.6.12.112	A	210006012112.ctinets.com
210.6.12.130	A	210006012130.ctinets.com
210.6.12.182	A	210006012182.ctinets.com
210.6.12.195	A+PTR	210006012195.ctinets.com
210.6.12.249	A	210006012249.ctinets.com
210.6.13.5	PTR	210006013005.ctinets.com
210.6.13.24	PTR	210006013024.ctinets.com
210.6.13.24	A	ns002.fladmoe.net
210.6.13.24	A	smtp7.alanfladmoe.com
210.6.13.39	PTR	210006013039.ctinets.com
210.6.13.39	A	ns003.fladmoe.org
210.6.13.39	A	smtp7.fladmoe.com
210.6.13.63	A+PTR	210006013063.ctinets.com
210.6.13.83	A	210006013083.ctinets.com
210.6.13.119	A	210006013119.ctinets.com
210.6.13.135	A	210006013135.ctinets.com
210.6.13.170	A	210006013170.ctinets.com
210.6.13.177	A	210006013177.ctinets.com
210.6.13.219	A	210006013219.ctinets.com
210.6.13.245	A	210006013245.ctinets.com
210.6.13.253	A	210006013253.ctinets.com
210.6.14.45	A+PTR	210006014045.ctinets.com
210.6.14.55	A	210006014055.ctinets.com
210.6.14.63	A+PTR	210006014063.ctinets.com
210.6.14.74	A	210006014074.ctinets.com
210.6.14.83	A	210006014083.ctinets.com
210.6.14.93	A	210006014093.ctinets.com
210.6.14.148	A	210006014148.ctinets.com
210.6.14.190	A+PTR	210006014190.ctinets.com
210.6.15.23	A	210006015023.ctinets.com
210.6.15.24	A	210006015024.ctinets.com
210.6.15.40	A	210006015040.ctinets.com
210.6.15.53	A	210006015053.ctinets.com
210.6.15.82	A	210006015082.ctinets.com
210.6.15.188	A	cstminerals.com
210.6.15.188	A	mail.cstminerals.com
210.6.15.190	A+PTR	210006015190.ctinets.com
210.6.15.210	A	thiefcat.com
210.6.15.223	A	210006015223.ctinets.com