Robtex

Up: 68.66.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 68.66.5.0/25
Down right: 68.66.5.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.66.5.3	PTR	c3
68.66.5.4	PTR	c4
68.66.5.5	PTR	www.myescreensite.com
68.66.5.8	PTR	c8
68.66.5.17	PTR	www.escreen123.com
68.66.5.19	PTR	c19
68.66.5.20	PTR	mexico.escreen123.com
68.66.5.21	PTR	c21
68.66.5.24	PTR	c24
68.66.5.25	PTR	c25
68.66.5.29	PTR	services.escreen.com
68.66.5.31	PTR	c31
68.66.5.32	PTR	extranet.escreen.com
68.66.5.35	PTR	www.myescreen.com
68.66.5.37	A+PTR	mail.escreen.com
68.66.5.37	A	mail.pembrooke.com
68.66.5.37	A	mail.emedicalreview.com
68.66.5.38	PTR	c38
68.66.5.39	PTR	c39
68.66.5.40	PTR	www.escreen.com
68.66.5.40	A	escreen-canada.com
68.66.5.40	A	escreencanada.com
68.66.5.41	PTR	c41
68.66.5.42	PTR	c42
68.66.5.43	PTR	global.escreen.com
68.66.5.43	A	mail2.escreen.com
68.66.5.43	A	mail2.escreennews.com
68.66.5.46	PTR	c46
68.66.5.47	PTR	c47
68.66.5.47	A	myaleretox.com
68.66.5.48	PTR	c48
68.66.5.48	A	myaleretoxicology.com
68.66.5.49	PTR	c49
68.66.5.51	PTR	c51
68.66.5.53	PTR	c53
68.66.5.54	A+PTR	results.escreen.com
68.66.5.55	PTR	c55
68.66.5.55	A	edrugtest.net
68.66.5.55	A	e-drugtest.com
68.66.5.56	PTR	c56
68.66.5.57	PTR	c57
68.66.5.58	PTR	c58
68.66.5.59	PTR	c59
68.66.5.60	PTR	c60
68.66.5.61	PTR	c61
68.66.5.61	A	exchange.pembrooke.com
68.66.5.62	PTR	c62
68.66.5.63	PTR	c63
68.66.5.66	PTR	c66
68.66.5.67	PTR	c67
68.66.5.68	PTR	c68
68.66.5.69	PTR	c69
68.66.5.70	PTR	c70
68.66.5.71	PTR	c71
68.66.5.72	PTR	c72
68.66.5.73	PTR	c73
68.66.5.74	PTR	c74
68.66.5.75	PTR	c75
68.66.5.76	PTR	c76
68.66.5.77	PTR	c77
68.66.5.78	PTR	c78
68.66.5.80	PTR	c80
68.66.5.81	PTR	c81
68.66.5.84	PTR	c84
68.66.5.85	PTR	c85
68.66.5.86	PTR	c86
68.66.5.87	PTR	c87
68.66.5.88	PTR	c88
68.66.5.89	PTR	c89
68.66.5.90	PTR	c90
68.66.5.91	PTR	c91
68.66.5.92	PTR	c92
68.66.5.93	PTR	c93
68.66.5.95	PTR	c95
68.66.5.97	PTR	c97
68.66.5.98	PTR	c98
68.66.5.99	PTR	c99
68.66.5.100	PTR	c100
68.66.5.101	PTR	c101
68.66.5.102	PTR	c102
68.66.5.103	PTR	c103
68.66.5.105	PTR	c105
68.66.5.108	PTR	c108
68.66.5.109	PTR	c109
68.66.5.110	PTR	c110
68.66.5.113	PTR	c113
68.66.5.114	PTR	c114
68.66.5.116	PTR	c116
68.66.5.118	PTR	c118
68.66.5.119	PTR	c119
68.66.5.120	PTR	c120
68.66.5.121	PTR	c121
68.66.5.122	PTR	c122
68.66.5.123	PTR	c123
68.66.5.124	PTR	c124
68.66.5.125	PTR	c125
68.66.5.126	PTR	c126
68.66.5.127	PTR	c127