Robtex

Up: 72.172.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 72.173.0.0/17
Down right: 72.173.128.0/17

IP	Type	Hostname
72.173.1.154	PTR	72-173-1-154.cust.exede.net
72.173.3.26	A	mail.otrconsulting.com
72.173.3.30	PTR	72-173-3-30.cust.exede.net
72.173.3.30	A	1701technology.com
72.173.3.193	PTR	72-173-3-193.cust.exede.net
72.173.5.119	PTR	72-173-5-119.cust.exede.net
72.173.13.165	PTR	72-173-13-165.cust.exede.net
72.173.16.150	PTR	72-173-16-150.cust.exede.net
72.173.20.59	PTR	72-173-20-59.cust.exede.net
72.173.27.24	PTR	72-173-27-24.cust.exede.net
72.173.36.1	PTR	72-173-36-1.cust.exede.net
72.173.42.106	PTR	72-173-42-106.cust.exede.net
72.173.44.5	PTR	72-173-44-5.cust.exede.net
72.173.54.98	PTR	72-173-54-98.cust.exede.net
72.173.56.109	PTR	72-173-56-109.cust.exede.net
72.173.57.14	PTR	72-173-57-14.cust.exede.net
72.173.57.124	PTR	72-173-57-124.cust.exede.net
72.173.67.6	PTR	72-173-67-6.cust.exede.net
72.173.68.1	PTR	72-173-68-1.cust.exede.net
72.173.68.72	PTR	72-173-68-72.cust.exede.net
72.173.71.50	PTR	72-173-71-50.cust.exede.net
72.173.84.114	A	selzerenterprises.net
72.173.85.219	A	mail.cortlandresearch.org
72.173.86.202	PTR	72-173-86-202.cust.exede.net
72.173.92.175	PTR	72-173-92-175.cust.exede.net
72.173.100.1	PTR	72-173-100-1.cust.exede.net
72.173.116.88	PTR	72-173-116-88.cust.exede.net
72.173.132.46	PTR	72-173-132-46.cust.exede.net
72.173.132.46	A	rjrrtv.com
72.173.139.26	PTR	72-173-139-26.cust.exede.net
72.173.139.26	A	cabin.gotdns.com
72.173.142.184	PTR	72-173-142-184.cust.exede.net
72.173.160.50	PTR	72-173-160-50.cust.exede.net
72.173.160.58	PTR	72-173-160-58.cust.exede.net
72.173.162.69	PTR	72-173-162-69.cust.exede.net
72.173.162.241	PTR	72-173-162-241.cust.exede.net
72.173.162.241	A	mail.allamericansecurity.com
72.173.170.64	PTR	72-173-170-64.cust.exede.net
72.173.171.55	A	recordraccoon.com
72.173.174.168	PTR	72-173-174-168.cust.exede.net
72.173.176.1	PTR	72-173-176-1.cust.exede.net
72.173.176.12	PTR	72-173-176-12.cust.exede.net
72.173.177.244	A	plug-nickel.com
72.173.178.55	PTR	72-173-178-55.cust.exede.net
72.173.178.55	A	feltsfamilyfarm.com
72.173.180.185	PTR	72-173-180-185.cust.exede.net
72.173.186.87	PTR	72-173-186-87.cust.exede.net
72.173.196.148	PTR	72-173-196-148.cust.exede.net
72.173.203.7	PTR	72-173-203-7.cust.exede.net
72.173.212.50	PTR	72-173-212-50.cust.exede.net
72.173.220.29	PTR	72-173-220-29.cust.exede.net
72.173.228.212	PTR	72-173-228-212.cust.exede.net
72.173.229.36	PTR	72-173-229-36.cust.exede.net
72.173.237.29	PTR	72-173-237-29.cust.exede.net
72.173.240.53	PTR	72-173-240-53.cust.exede.net
72.173.245.87	PTR	72-173-245-87.cust.exede.net
72.173.248.159	PTR	72-173-248-159.cust.exede.net