Robtex

Up: 72.196.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.196.152.0/22
Down right: 72.196.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.196.153.73	A+PTR	ip72-196-153-73.cl.ri.cox.net
72.196.153.187	A+PTR	ip72-196-153-187.cl.ri.cox.net
72.196.153.252	A+PTR	ip72-196-153-252.cl.ri.cox.net
72.196.153.252	A	v-techonline.info
72.196.154.78	PTR	ip72-196-154-78.cl.ri.cox.net
72.196.154.127	PTR	ip72-196-154-127.cl.ri.cox.net
72.196.155.59	A+PTR	ip72-196-155-59.cl.ri.cox.net
72.196.155.174	A+PTR	ip72-196-155-174.cl.ri.cox.net
72.196.155.227	A	ip72-196-155-227.cl.ri.cox.net
72.196.156.16	A+PTR	ip72-196-156-16.cl.ri.cox.net
72.196.156.16	A	ns6.ns3.fultonbank.com.bank19.mobi
72.196.156.16	A	ns1.ns1.5aspx.ws
72.196.156.62	PTR	ip72-196-156-62.cl.ri.cox.net
72.196.157.201	A+PTR	ip72-196-157-201.cl.ri.cox.net
72.196.157.218	A	mail.coolcomputers.info
72.196.157.218	A	mx.coolcomputers.info
72.196.157.247	A+PTR	ip72-196-157-247.cl.ri.cox.net
72.196.157.247	A	gsfesz.com
72.196.158.65	A	mail.kb8wlw.net
72.196.158.251	A+PTR	ip72-196-158-251.cl.ri.cox.net
72.196.159.1	A	everyonesadj.net
72.196.159.1	A	stupedawg.net
72.196.159.80	A+PTR	ip72-196-159-80.cl.ri.cox.net
72.196.159.80	A	amscyberpunkatlanta.com
72.196.159.255	A+PTR	ip72-196-159-255.cl.ri.cox.net