Robtex

Up: 216.220.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.220.49.0/25
Down right: 216.220.49.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.220.49.0	A+PTR	0.49.220-216.q9.net
216.220.49.6	A+PTR	6.49.220-216.q9.net
216.220.49.21	A	gslb02.gsd-q9.com
216.220.49.38	A+PTR	ssh3.q9.com
216.220.49.42	A	peer1-1.cal1.q9.net
216.220.49.48	PTR	48.49.220-216.q9.net
216.220.49.50	A	ns5-ssh.q9.com
216.220.49.51	A+PTR	ns5.q9.com
216.220.49.58	A	ns6-ssh.q9.com
216.220.49.59	A+PTR	ns6.q9.com
216.220.49.67	A	67.49.220-216.q9.net
216.220.49.115	A	115.49.220-216.q9.net
216.220.49.116	A	116.49.220-216.q9.net
216.220.49.119	A	webmail.tridentexploration.ca
216.220.49.123	A+PTR	123.49.220-216.q9.net
216.220.49.123	A	citrix.tridentexploration.ca
216.220.49.129	A	129.49.220-216.q9.net
216.220.49.132	A+PTR	132.49.220-216.q9.net
216.220.49.132	A	www.uptime.aero
216.220.49.132	A	hostmaster.uptime.aero
216.220.49.134	A+PTR	134.49.220-216.q9.net
216.220.49.134	A	www.flyht.aero
216.220.49.134	A	*.flyht.aero
216.220.49.154	A+PTR	portal.yyc.aspenmsinc.com
216.220.49.155	PTR	vpn.yyc.aspenmsinc.com
216.220.49.159	A+PTR	159.49.220-216.q9.net
216.220.49.171	PTR	171.49.220-216.q9.net
216.220.49.171	A	capitoltoweron9th.com
216.220.49.171	A	delmarequity.com
216.220.49.174	A	174.49.220-216.q9.net
216.220.49.176	A	176.49.220-216.q9.net
216.220.49.187	A	secureaccessyyc.accruent.com
216.220.49.208	PTR	208.49.220-216.q9.net
216.220.49.215	PTR	215.49.220-216.q9.net
216.220.49.217	PTR	217.49.220-216.q9.net
216.220.49.217	A	stats.elluminate.com
216.220.49.217	A	elm1.elluminate.com
216.220.49.222	A+PTR	222.49.220-216.q9.net
216.220.49.222	A	www.hotstarttech.com
216.220.49.222	A	hotstarttech.com
216.220.49.243	PTR	mail.pfbcorp.com
216.220.49.243	A	insulspancanada.com
216.220.49.243	A	mail.aeonian.com