Robtex

Up: 209.122.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 209.122.0.0/22
Down right: 209.122.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.122.0.0	PTR	209-122-0-0.c3-0.upd-ubr1.trpr-upd.pa.cable.rcn.com
209.122.0.1	A+PTR	bdl1.atw-cbr1.atw.pa.cable.rcn.net
209.122.0.1	PTR	209-122-0-1.s9471.c3-0.atw-cbr1.atw.pa.cable.rcncustomer.com
209.122.0.15	A	209-122-0-15.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.32	A+PTR	209-122-0-32.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.38	A	209-122-0-38.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.41	A+PTR	209-122-0-41.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.50	A+PTR	209-122-0-50.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.55	A	209-122-0-55.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.74	A+PTR	209-122-0-74.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.76	A	209-122-0-76.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.104	A+PTR	209-122-0-104.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.122	A+PTR	209-122-0-122.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.134	A	209-122-0-134.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.139	A+PTR	209-122-0-139.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.140	A	209-122-0-140.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.160	A+PTR	209-122-0-160.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.167	A	209-122-0-167.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.173	A	209-122-0-173.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.177	A+PTR	209-122-0-177.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.0.195	A+PTR	209-122-0-195.s10429.c3-0.atw-cbr1.atw.pa.cable.rcncustomer.com
209.122.2.2	PTR	209-122-2-2.c3-0.upd-ubr1.trpr-upd.pa.cable.rcn.com
209.122.4.1	A+PTR	209-122-4-1.c3-0.atw-cbr5.atw.pa.cable.rcn.com
209.122.4.1	A+PTR	bdl1.atw-cbr1.atw.pa.cable.rcn.net
209.122.4.1	A	bdl1.atw-cbr3.atw.pa.cable.rcn.net
209.122.4.105	A+PTR	209-122-4-105.c3-0.atw-ubr5.atw.pa.cable.rcn.com
209.122.4.137	PTR	209-122-4-137.s10631.c3-0.atw-cbr1.atw.pa.cable.rcncustomer.com
209.122.4.137	A	consumptionbrewery.com
209.122.4.137	A	consumptionbrewing.com
209.122.5.241	A	209-122-5-241.c3-0.atw-ubr5.atw.pa.cable.rcn.com
209.122.7.41	A	ldvweather.com