Robtex

Up: 216.172.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.172.16.0/21
Down right: 216.172.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.172.16.1	PTR	216-172-16-1.bobbroadband.com
216.172.16.4	PTR	216-172-16-4.bobbroadband.com
216.172.17.4	PTR	216-172-17-4.bobbroadband.com
216.172.17.112	PTR	216-172-17-112.bobbroadband.com
216.172.18.2	PTR	216-172-18-2.bobbroadband.com
216.172.18.3	PTR	216-172-18-3.bobbroadband.com
216.172.18.35	PTR	216-172-18-35.bobbroadband.com
216.172.18.48	PTR	216-172-18-48.bobbroadband.com
216.172.18.57	A	home.mistcat.org
216.172.18.163	PTR	216-172-18-163.bobbroadband.com
216.172.19.4	PTR	216-172-19-4.bobbroadband.com
216.172.19.114	PTR	216-172-19-114.bobbroadband.com
216.172.20.1	PTR	216-172-20-1.bobbroadband.com
216.172.21.8	A	webconference.baersupply.com
216.172.21.9	A	remote.baersupply.com
216.172.21.18	A+PTR	mail.baersupply.com
216.172.21.18	A	mail.wurthbsc.com
216.172.21.18	A	mail.wurthbaersupply.com
216.172.21.19	PTR	smtp.baersupply.com
216.172.21.35	A+PTR	wbsmtp1.wurthbaersupply.com
216.172.21.35	A	wbsmtp1.baersupply.com
216.172.21.200	A	baersupply.net
216.172.21.200	A	baercosmtp.baersupply.net
216.172.21.201	A	provaluehardware.com
216.172.21.201	A	www.provaluehardware.com
216.172.23.103	A	smtp2.ferrarapan.com
216.172.23.103	A	smtp2.ferrarausa.com
216.172.23.103	A	smtp2.farleysandsathers.com
216.172.23.179	PTR	216-172-23-179.bobbroadband.com
216.172.24.4	PTR	216-172-24-4.bobbroadband.com
216.172.24.35	PTR	216-172-24-35.bobbroadband.com
216.172.24.108	A	mail2.hranet.org
216.172.24.237	A	web.hranet.org
216.172.24.242	A+PTR	barracuda.symbria.com
216.172.24.242	A	mx1.advancedpatientcare.com
216.172.24.242	A	mx1.midwestgeriatrics.com
216.172.24.243	PTR	216-172-24-243.bobbroadband.com
216.172.25.18	PTR	216-172-25-18.bobbroadband.com
216.172.25.18	A	smtp-out.verdfsawersa.ooo
216.172.25.177	PTR	216-172-25-177.bobbroadband.com
216.172.26.6	A	w3kexch1sf.stbh.org
216.172.26.10	A	mail.stbh.org
216.172.26.81	PTR	216-172-26-81.bobbroadband.com
216.172.26.146	PTR	216-172-26-146.bobbroadband.com
216.172.26.176	PTR	216-172-26-176.bobbroadband.com
216.172.27.3	PTR	c74.scr.mil.bobbroadband.com
216.172.27.67	PTR	rytecdoors.com
216.172.27.128	PTR	216-172-27-128.bobbroadband.com
216.172.27.129	PTR	216-172-27-129.bobbroadband.com
216.172.27.130	PTR	216-172-27-130.bobbroadband.com
216.172.27.130	A	mail2.stcam.com
216.172.27.144	PTR	216-172-27-144.bobbroadband.com
216.172.27.178	PTR	216-172-27-178.bobbroadband.com
216.172.27.196	A	mail.spectrumcomm.com
216.172.27.250	A	mail1.arcw.org
216.172.28.17	A	hollandbeauty.com
216.172.28.17	A	mail.deerproofbulbs.com
216.172.28.96	A	216-172-28-96.bobbroadband.com
216.172.28.97	A	*.tulipworld.com
216.172.28.97	A	tulipworld.com
216.172.28.98	A+PTR	216-172-28-98.bobbroadband.com
216.172.28.205	A	216-172-28-205.bobbroadband.com
216.172.28.220	A	216-172-28-220.bobbroadband.com
216.172.29.55	A	faceqpsf.org
216.172.29.161	PTR	216-172-29-161.bobbroadband.com
216.172.29.161	A	thepsf.org
216.172.29.161	A	www.thepsf.org
216.172.29.163	PTR	216-172-29-163.bobbroadband.com
216.172.29.163	A	accessmedicalpurchasing.com
216.172.29.163	A	accessmedicalpurchasing.co
216.172.30.34	PTR	216-172-30-34.bobbroadband.com
216.172.30.145	PTR	216-172-30-145.bobbroadband.com