Robtex

Up: 216.131.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.131.12.0/23
Down right: 216.131.14.0/23

IP	Type	Hostname
216.131.12.1	A+PTR	node-216-131-12-1.bankserv.com
216.131.12.23	A	node-216-131-12-23.bankserv.com
216.131.12.24	A	node-216-131-12-24.bankserv.com
216.131.12.29	A	node-216-131-12-29.bankserv.com
216.131.12.32	A+PTR	ns2.bankserv.com
216.131.12.33	A+PTR	mx2.bankserv.com
216.131.12.33	A	node-216-131-12-33.bankserv.com
216.131.12.36	A+PTR	node-216-131-12-36.bankserv.com
216.131.12.40	A+PTR	node-216-131-12-40.bankserv.com
216.131.14.1	A+PTR	node-216-131-14-1.bankserv.com
216.131.14.2	A	node-216-131-14-2.bankserv.com
216.131.14.32	A+PTR	node-216-131-14-32.bankserv.com
216.131.14.35	A+PTR	node-216-131-14-35.bankserv.com
216.131.14.64	A+PTR	node-216-131-14-64.bankserv.com
216.131.14.64	A	hwtreasurysolution.com
216.131.14.64	A	www.hwtreasurysolution.com
216.131.14.67	A	webach-hwtreasurysolution.com
216.131.14.83	PTR	node-216-131-14-83.bankserv.com
216.131.14.83	A	nationalpenn.web-cashplus.com
216.131.14.128	PTR	node-216-131-14-128.bankserv.com
216.131.14.128	A	secure.modpay.com
216.131.14.139	A	download.depositnow.com
216.131.15.1	A+PTR	node-216-131-15-1.bankserv.com
216.131.15.25	A+PTR	node-216-131-15-25.bankserv.com
216.131.15.28	A+PTR	node-216-131-15-28.bankserv.com
216.131.15.56	A+PTR	node-216-131-15-56.bankserv.com
216.131.15.71	A+PTR	node-216-131-15-71.bankserv.com
216.131.15.116	A+PTR	node-216-131-15-116.bankserv.com
216.131.15.227	A+PTR	node-216-131-15-227.bankserv.com
216.131.15.255	A+PTR	node-216-131-15-255.bankserv.com