Robtex

Up: 71.83.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 71.83.48.0/22
Down right: 71.83.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
71.83.49.25	PTR	71-83-49-25.dhcp.oxfr.ma.charter.com
71.83.49.25	A	tokenramblings.com
71.83.49.25	A	bostonsportstown.com
71.83.49.117	A	gclundgren.net
71.83.49.118	A	smtp.gclundgren.net
71.83.49.118	A	imap.gclundgren.net
71.83.49.118	A	id1.gclundgren.net
71.83.49.170	A	mail.firstamericanrealtyinc.com
71.83.50.18	A	mail.auburnmasspolice.org
71.83.50.94	A	mail.ebcarlson.com
71.83.50.94	A	server.ebcarlson.com
71.83.50.194	PTR	71-83-50-194.static.oxfr.ma.charter.com
71.83.50.194	A	mxrl2.butlerdearden.com
71.83.51.105	PTR	71-83-51-105.static.oxfr.ma.charter.com
71.83.51.105	A	lemony-fresh.dood.com
71.83.51.162	PTR	71-83-51-162.static.oxfr.ma.charter.com
71.83.51.204	A	portal.powerfrag.fm
71.83.51.204	A	71-83-51-204.dhcp.oxfr.ma.charter.com
71.83.51.205	A	powerfrag.fm
71.83.51.205	A	71-83-51-205.dhcp.oxfr.ma.charter.com
71.83.51.210	A	ctirish.org
71.83.51.214	A	mail.allsaintschurchworc.org
71.83.51.214	A	mail.allsaintsw.org
71.83.52.163	PTR	71-83-52-163.dhcp.oxfr.ma.charter.com
71.83.52.230	A	mail.sederlaw.com
71.83.53.34	PTR	71-83-53-34.static.oxfr.ma.charter.com
71.83.53.90	PTR	71-83-53-90.static.oxfr.ma.charter.com
71.83.53.97	PTR	71-83-53-97.static.oxfr.ma.charter.com
71.83.53.98	PTR	71-83-53-98.static.oxfr.ma.charter.com
71.83.53.102	A	mail.eyeworcester.com
71.83.53.120	PTR	71-83-53-120.static.oxfr.ma.charter.com
71.83.53.122	PTR	71-83-53-122.static.oxfr.ma.charter.com
71.83.53.146	PTR	71-83-53-146.static.oxfr.ma.charter.com
71.83.53.163	PTR	71-83-53-163.static.oxfr.ma.charter.com
71.83.53.182	A	goliath.ohananetworks.com
71.83.53.195	PTR	71-83-53-195.static.oxfr.ma.charter.com
71.83.53.203	PTR	71-83-53-203.static.oxfr.ma.charter.com
71.83.53.233	PTR	71-83-53-233.static.oxfr.ma.charter.com
71.83.53.234	PTR	71-83-53-234.static.oxfr.ma.charter.com
71.83.53.251	PTR	71-83-53-251.static.oxfr.ma.charter.com
71.83.54.10	A	hq.jiapaluccio.com
71.83.54.27	PTR	71-83-54-27.static.oxfr.ma.charter.com
71.83.54.58	PTR	71-83-54-58.static.oxfr.ma.charter.com
71.83.54.82	PTR	71-83-54-82.static.oxfr.ma.charter.com
71.83.54.82	A	71-83-54-82.dhcp.oxfr.ma.charter.com
71.83.54.83	PTR	71-83-54-83.static.oxfr.ma.charter.com
71.83.54.106	PTR	71-83-54-106.static.oxfr.ma.charter.com
71.83.54.126	A	bi.nesystems.com
71.83.54.155	PTR	71-83-54-155.static.oxfr.ma.charter.com
71.83.54.166	A	71-83-54-166.dhcp.oxfr.ma.charter.com
71.83.54.176	PTR	71-83-54-176.static.oxfr.ma.charter.com
71.83.54.192	PTR	71-83-54-192.static.oxfr.ma.charter.com
71.83.54.202	A	bgusting.com
71.83.54.218	PTR	71-83-54-218.static.oxfr.ma.charter.com
71.83.54.235	PTR	71-83-54-235.static.oxfr.ma.charter.com
71.83.55.1	PTR	71-83-55-1.static.oxfr.ma.charter.com
71.83.55.18	PTR	71-83-55-18.static.oxfr.ma.charter.com
71.83.55.33	PTR	71-83-55-33.static.oxfr.ma.charter.com
71.83.55.43	PTR	71-83-55-43.static.oxfr.ma.charter.com
71.83.55.64	PTR	71-83-55-64.static.oxfr.ma.charter.com
71.83.55.74	PTR	71-83-55-74.static.oxfr.ma.charter.com
71.83.55.90	PTR	71-83-55-90.static.oxfr.ma.charter.com
71.83.55.91	PTR	71-83-55-91.static.oxfr.ma.charter.com
71.83.55.137	PTR	71-83-55-137.static.oxfr.ma.charter.com
71.83.55.146	PTR	71-83-55-146.static.oxfr.ma.charter.com
71.83.55.186	PTR	71-83-55-186.static.oxfr.ma.charter.com
71.83.55.234	PTR	71-83-55-234.static.oxfr.ma.charter.com
71.83.55.235	PTR	71-83-55-235.static.oxfr.ma.charter.com
71.83.55.249	PTR	71-83-55-249.static.oxfr.ma.charter.com