Robtex

Up: 70.32.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 70.32.140.0/23
Down right: 70.32.142.0/23

IP	Type	Hostname
70.32.140.25	PTR	tu0.fw1.dc1.internal.itasoftware.com
70.32.140.45	PTR	ve2007.ixc-rtr3.dc1.internal.itasoftware.com
70.32.140.46	PTR	ve2007.ixc-rtr4.dc1.internal.itasoftware.com
70.32.140.73	A+PTR	cust32-17.itasoftware.com
70.32.140.80	PTR	cust32-24.itasoftware.com
70.32.140.92	PTR	cust32-36.itasoftware.com
70.32.140.98	PTR	cust32-42.itasoftware.com
70.32.140.99	PTR	cust32-43.itasoftware.com
70.32.140.125	A+PTR	0.ve1998.ixc-rtr3.dc1.itasoftware.com
70.32.140.126	A+PTR	0.ve1998.ixc-rtr4.dc1.itasoftware.com
70.32.140.140	PTR	cust32-286.itasoftware.com
70.32.140.141	PTR	cust32-288.itasoftware.com
70.32.140.142	A	cust223-1.itasoftware.com
70.32.140.145	PTR	cust32-290.itasoftware.com
70.32.140.146	PTR	cust32-291.itasoftware.com
70.32.140.148	A	cust03-12.itasoftware.com
70.32.140.151	PTR	cust32-302.itasoftware.com
70.32.140.158	A	cust32-310.itasoftware.com
70.32.141.4	A+PTR	cust32-1.itasoftware.com
70.32.141.7	A+PTR	cust32-303.itasoftware.com
70.32.141.8	PTR	ita1dns1.itasoftware.com
70.32.141.9	PTR	ita1dns2.itasoftware.com
70.32.141.10	A	ita1mx1.itasoftware.com
70.32.141.11	A+PTR	ita1mx2.itasoftware.com
70.32.141.19	A	cust23-0.itasoftware.com
70.32.141.21	A	cust22-6.itasoftware.com
70.32.141.22	A	cust171-1.itasoftware.com
70.32.141.32	A+PTR	itabis.itasoftware.com
70.32.141.36	A	cust02-84.itasoftware.com
70.32.141.36	A	cust02-16.itasoftware.com
70.32.141.36	A	cust02-2.itasoftware.com
70.32.141.37	A	itabug.itasoftware.com
70.32.141.53	A	snap.itasoftware.com
70.32.141.54	PTR	itasoftware.com
70.32.141.63	A+PTR	cust106-4.itasoftware.com
70.32.141.63	A	cust106-1.itasoftware.com
70.32.141.63	A	az-demo.itasoftware.com
70.32.141.78	A	cust131-3.itasoftware.com
70.32.141.81	A	cust109-3.itasoftware.com
70.32.141.81	A	cust109-2.itasoftware.com
70.32.141.82	A+PTR	cust0-8.itasoftware.com
70.32.141.82	A	cust0-4.itasoftware.com
70.32.141.105	A	rfd.itasoftware.com
70.32.141.106	PTR	cust32-312.itasoftware.com
70.32.141.114	A	cust11-2.itasoftware.com
70.32.141.114	A	cust11-3.itasoftware.com
70.32.141.129	A	cust03-10.itasoftware.com
70.32.141.131	A	cust09-7.itasoftware.com
70.32.141.132	A	cust105-1.itasoftware.com
70.32.141.134	A	cust01vpn1.itasoftware.com
70.32.141.134	A	fe0-0.cust01vpn1.itasoftware.com
70.32.141.135	A+PTR	cust16-1.itasoftware.com
70.32.141.141	A	cust16vpn1.itasoftware.com
70.32.141.147	A	cust211-12.itasoftware.com
70.32.141.187	A+PTR	cust168-1.itasoftware.com
70.32.141.201	A	cust32-245.itasoftware.com
70.32.141.202	A	cust32-246.itasoftware.com
70.32.141.204	PTR	cust32-248.itasoftware.com
70.32.141.205	A	cust32-80.itasoftware.com
70.32.141.206	A+PTR	cust32-81.itasoftware.com
70.32.141.207	A	cust32-260.itasoftware.com
70.32.141.208	A	cust01-4.itasoftware.com
70.32.141.210	A	cust164-1.itasoftware.com
70.32.141.211	A	cust222-1.itasoftware.com
70.32.141.222	A+PTR	cust32-285.itasoftware.com
70.32.141.223	A+PTR	cust221-1.itasoftware.com
70.32.141.224	A+PTR	cust195-5.itasoftware.com
70.32.141.226	A	cust152-1.itasoftware.com
70.32.141.227	A	cust152-2.itasoftware.com
70.32.141.228	PTR	cust220-1.itasoftware.com
70.32.141.229	A	cust228-1.itasoftware.com
70.32.141.230	A	cust05-1.itasoftware.com
70.32.141.244	A	fw2.dc7.itasoftware.com
70.32.142.6	A+PTR	0.lo0.ixc-rtr4.dc2.itasoftware.com
70.32.142.7	A+PTR	0.lo0.ixc-rtr5.dc2.itasoftware.com
70.32.142.18	PTR	te0-0-0.ixc-rtr5.dc2.itasoftware.com
70.32.142.38	PTR	ve2007.fw3.dc2.internal.itasoftware.com
70.32.142.38	PTR	ve2007.fw4.dc2.internal.itasoftware.com
70.32.142.67	A+PTR	0.ve1998.ixc-rtr4.dc2.itasoftware.com
70.32.142.68	A+PTR	0.ve1998.ixc-rtr5.dc2.itasoftware.com
70.32.142.72	PTR	cust32-243.itasoftware.com
70.32.142.73	A	cust32-251.itasoftware.com
70.32.142.75	PTR	cust32-253.itasoftware.com
70.32.142.76	PTR	cust32-254.itasoftware.com
70.32.142.80	PTR	cust32-258.itasoftware.com
70.32.143.13	A+PTR	cust01-1.itasoftware.com
70.32.143.14	PTR	cust03-11.itasoftware.com
70.32.143.15	A	cust09-8.itasoftware.com
70.32.143.16	A	cust105-2.itasoftware.com
70.32.143.25	PTR	mx4.itasoftware.com
70.32.143.59	A+PTR	ita2dns1.itasoftware.com
70.32.143.60	PTR	ita2dns2.itasoftware.com
70.32.143.135	A+PTR	cust16-3.itasoftware.com
70.32.143.135	A	cust16-2.itasoftware.com
70.32.143.164	A+PTR	cust167-2.itasoftware.com
70.32.143.180	A+PTR	ita2mx1.itasoftware.com
70.32.143.181	A+PTR	ita2mx2.itasoftware.com
70.32.143.182	A+PTR	ita2mx3.itasoftware.com
70.32.143.208	A+PTR	cust209-12.itasoftware.com
70.32.143.208	A	www-9k.googleitahosted.com
70.32.143.209	A	www2-9k.googleitahosted.com
70.32.143.209	A	cust209-13.itasoftware.com