Robtex

Up: 72.35.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.35.116.0/23
Down right: 72.35.118.0/23

IP	Type	Hostname
72.35.116.13	A+PTR	13-116-35-72.mtaonline.net
72.35.116.31	A+PTR	31-116-35-72.mtaonline.net
72.35.116.54	PTR	54-116-35-72.mtaonline.net
72.35.116.74	A+PTR	74-116-35-72.mtaonline.net
72.35.116.85	A+PTR	85-116-35-72.mtaonline.net
72.35.116.124	A+PTR	124-116-35-72.mtaonline.net
72.35.116.126	A+PTR	126-116-35-72.mtaonline.net
72.35.116.170	A	170-116-35-72.mtaonline.net
72.35.116.172	A+PTR	172-116-35-72.mtaonline.net
72.35.116.178	A+PTR	178-116-35-72.mtaonline.net
72.35.116.248	A+PTR	248-116-35-72.mtaonline.net
72.35.117.1	A+PTR	1-117-35-72.mtaonline.net
72.35.117.110	PTR	110-117-35-72.mtaonline.net
72.35.117.122	A	122-117-35-72.mtaonline.net
72.35.117.133	PTR	133-117-35-72.mtaonline.net
72.35.117.133	A	mail.brianpaden.me
72.35.117.135	A	135-117-35-72.mtaonline.net
72.35.117.150	A	150-117-35-72.mtaonline.net
72.35.117.197	A	197-117-35-72.mtaonline.net
72.35.117.242	A	242-117-35-72.mtaonline.net
72.35.118.11	PTR	11-118-35-72.mtaonline.net
72.35.118.28	A+PTR	28-118-35-72.mtaonline.net
72.35.118.59	A+PTR	59-118-35-72.mtaonline.net
72.35.118.115	A+PTR	115-118-35-72.mtaonline.net
72.35.118.182	A	182-118-35-72.mtaonline.net
72.35.118.193	A+PTR	193-118-35-72.mtaonline.net
72.35.118.204	A	204-118-35-72.mtaonline.net
72.35.118.229	A+PTR	229-118-35-72.mtaonline.net
72.35.118.234	A	234-118-35-72.mtaonline.net
72.35.119.111	A	111-119-35-72.mtaonline.net
72.35.119.150	A+PTR	150-119-35-72.mtaonline.net
72.35.119.189	A+PTR	189-119-35-72.mtaonline.net