Robtex

Up: 97.72.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 97.72.0.0/17
Down right: 97.72.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
97.72.0.0	PTR	host977200.direcpc.com
97.72.1.2	PTR	host977221.direcpc.com
97.72.2.3	PTR	host977232.direcpc.com
97.72.8.2	PTR	host977228.direcpc.com
97.72.12.2	PTR	host9772212.direcpc.com
97.72.33.2	PTR	host9772233.direcpc.com
97.72.34.1	PTR	host9772134.direcpc.com
97.72.35.1	PTR	host9772135.direcpc.com
97.72.37.1	PTR	host9772137.direcpc.com
97.72.41.1	PTR	host9772141.direcpc.com
97.72.50.1	PTR	host9772150.direcpc.com
97.72.53.1	PTR	host9772153.direcpc.com
97.72.64.144	PTR	host977214464.direcpc.com
97.72.64.148	PTR	host977214864.direcpc.com
97.72.70.1	PTR	host9772170.direcpc.com
97.72.70.3	PTR	host9772370.direcpc.com
97.72.80.0	PTR	host9772080.direcpc.com
97.72.81.3	PTR	host9772381.direcpc.com
97.72.81.94	A	chonko.loungenet.org
97.72.82.48	A	piez0r.in
97.72.84.1	PTR	host9772184.direcpc.com
97.72.89.214	A	mail.papagod.com
97.72.89.214	A	*.printorderingsystems.com
97.72.89.214	A	papagod.com
97.72.93.214	PTR	host977221493.direcpc.com
97.72.93.214	A	hairy-pottery.com
97.72.93.214	A	realm-o-tigger.com
97.72.95.46	A	www.poguewhitetails.com
97.72.95.46	A	tweekend.com
97.72.95.46	A	poguewhitetails.com
97.72.97.1	PTR	host9772197.direcpc.com
97.72.98.1	PTR	host9772198.direcpc.com
97.72.99.1	PTR	host9772199.direcpc.com
97.72.102.22	A	lucia-lodge.com
97.72.118.2	PTR	host97722118.direcpc.com
97.72.121.214	A	mail2.jetnetsolutions.com
97.72.123.134	A	mail2.pinnaclepolymers.com
97.72.125.171	A	mail.ags-mi.com
97.72.128.174	A	novacekfarm.com
97.72.129.142	PTR	host9772142129.direcpc.com
97.72.129.142	A	testspe2.com
97.72.129.142	A	mail.testspe2.com
97.72.144.142	A	newzealandcitytrip.com
97.72.147.87	PTR	host977287147.direcpc.com
97.72.157.166	A	mail.mandleys.com
97.72.159.2	PTR	host97722159.direcpc.com
97.72.159.2	A	mail3.banksynergy.com
97.72.159.3	A	mail2.banksynergy.com
97.72.161.54	PTR	host977254161.direcpc.com
97.72.162.179	A	mail2.jamcointl.com
97.72.164.178	PTR	host9772178164.direcpc.com
97.72.164.178	A	ns1.looksgooddesign.com
97.72.164.178	A	*.looksgooddesign.com
97.72.167.2	A	constructionsupportsc.com
97.72.167.2	A	mail.constructionsupportsc.com
97.72.171.0	PTR	host97720171.direcpc.com
97.72.171.2	PTR	host97722171.direcpc.com
97.72.174.134	A	sirobin.net
97.72.176.126	PTR	host9772126176.direcpc.com
97.72.177.90	PTR	host977290177.direcpc.com
97.72.177.90	A	remote.jcmservices.org
97.72.178.64	PTR	host977264178.direcpc.com
97.72.207.175	PTR	host9772175207.direcpc.com
97.72.214.148	PTR	host9772148214.direcpc.com
97.72.215.19	A	acrepairtampabay.com
97.72.215.148	PTR	host9772148215.direcpc.com
97.72.215.156	PTR	host9772156215.direcpc.com
97.72.224.0	PTR	host97720224.direcpc.com
97.72.226.66	PTR	host977266226.direcpc.com
97.72.226.67	PTR	host977267226.direcpc.com
97.72.227.3	PTR	host97723227.direcpc.com
97.72.229.1	PTR	host97721229.direcpc.com
97.72.229.2	PTR	host97722229.direcpc.com
97.72.232.146	A	musamail.murphyusa.com
97.72.233.14	PTR	host977214233.direcpc.com
97.72.233.164	PTR	host9772164233.direcpc.com
97.72.234.12	A+PTR	mail.bevmo.com
97.72.247.231	A	nlv-prod.airtime.geemedia.com
97.72.247.231	A	api.airtime.geemedia.com
97.72.247.237	A	gpay.globaleagle.com