Robtex

Up: 72.0.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.0.208.0/23
Down right: 72.0.210.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.0.208.36	A	saleslink.puritylife.com
72.0.208.37	PTR	208.37-ppp.3menatwork.com
72.0.208.101	PTR	208.101-ppp.3menatwork.com
72.0.208.101	A	mail.acclaimhealth.ca
72.0.208.102	A	citrix.acclaimhealth.ca
72.0.208.136	A+PTR	208.136-ppp.3menatwork.com
72.0.208.137	A+PTR	208.137-ppp.3menatwork.com
72.0.208.205	A	mail3.calea.ca
72.0.208.205	A	mail.calea.ca
72.0.209.43	A	209.43-ppp.3menatwork.com
72.0.209.52	A	209.52-ppp.3menatwork.com
72.0.209.68	A+PTR	209.68-ppp.3menatwork.com
72.0.209.82	PTR	209.82-ppp.3menatwork.com
72.0.209.99	A+PTR	209.99-ppp.3menatwork.com
72.0.209.166	A+PTR	209.166-ppp.3menatwork.com
72.0.209.202	A+PTR	209.202-ppp.3menatwork.com
72.0.210.9	A	webmail.dairycentral.ca
72.0.210.9	A	cjrwholesale.com
72.0.210.18	PTR	210.18-ppp.3menatwork.com
72.0.210.18	A	mail.fleetgainapp.com
72.0.210.18	A	fleetgainapp.com
72.0.210.28	A	www.atomicnorth.com
72.0.210.28	A	atomicnorth.com
72.0.210.35	A	oclsrt-dev.ocls.ca
72.0.210.37	PTR	210.37-ppp.3menatwork.com
72.0.210.37	A	saleslink.puritylife.com
72.0.210.37	A	vendor.puritylife.com
72.0.210.42	A	www.ocls.ca
72.0.210.47	PTR	210.47-ppp.3menatwork.com
72.0.210.47	A	customerlink.puritylife.com
72.0.210.49	A	core.ocls.ca
72.0.210.75	A	210.75-ppp.3menatwork.com
72.0.210.87	A+PTR	210.87-ppp.3menatwork.com
72.0.210.130	A	mail.mitchellsandham.com
72.0.210.130	A	mail.mspinsurance.ca
72.0.210.157	A	210.157-ppp.3menatwork.com
72.0.210.201	A	210.201-ppp.3menatwork.com
72.0.210.227	PTR	210.227-ppp.3menatwork.com
72.0.210.227	A	hold4pickup.com
72.0.210.227	A	rtserver.roguedelivers.com
72.0.210.229	A	rtserver4.roguedelivers.com
72.0.210.229	A	210.229-ppp.3menatwork.com
72.0.210.237	PTR	210.237-ppp.3menatwork.com
72.0.210.237	A	carevalidated.ca
72.0.210.249	A	210.249-ppp.3menatwork.com
72.0.211.5	PTR	211.5-ppp.3menatwork.com
72.0.211.9	A	211.9-ppp.3menatwork.com
72.0.211.10	A+PTR	211.10-ppp.3menatwork.com
72.0.211.11	A	211.11-ppp.3menatwork.com
72.0.211.14	A	211.14-ppp.3menatwork.com
72.0.211.15	A	211.15-ppp.3menatwork.com
72.0.211.19	A	211.19-ppp.3menatwork.com
72.0.211.30	A+PTR	211.30-ppp.3menatwork.com
72.0.211.31	A	211.31-ppp.3menatwork.com
72.0.211.32	A+PTR	211.32-ppp.3menatwork.com
72.0.211.35	A	211.35-ppp.3menatwork.com
72.0.211.41	A+PTR	211.41-ppp.3menatwork.com
72.0.211.47	PTR	211.47-ppp.3menatwork.com
72.0.211.48	A+PTR	211.48-ppp.3menatwork.com
72.0.211.51	PTR	211.51-ppp.3menatwork.com
72.0.211.51	A	mail.ibas.ca
72.0.211.53	A+PTR	211.53-ppp.3menatwork.com
72.0.211.62	A	211.62-ppp.3menatwork.com
72.0.211.64	A	211.64-ppp.3menatwork.com
72.0.211.66	A	211.66-ppp.3menatwork.com
72.0.211.73	A	211.73-ppp.3menatwork.com
72.0.211.77	A+PTR	211.77-ppp.3menatwork.com
72.0.211.79	A	211.79-ppp.3menatwork.com
72.0.211.82	A+PTR	211.82-ppp.3menatwork.com
72.0.211.84	A	211.84-ppp.3menatwork.com
72.0.211.85	A	211.85-ppp.3menatwork.com
72.0.211.94	A+PTR	211.94-ppp.3menatwork.com
72.0.211.100	PTR	211.100-ppp.3menatwork.com
72.0.211.107	A	211.107-ppp.3menatwork.com
72.0.211.108	A	211.108-ppp.3menatwork.com
72.0.211.113	A	211.113-ppp.3menatwork.com
72.0.211.117	A	211.117-ppp.3menatwork.com
72.0.211.124	A	211.124-ppp.3menatwork.com
72.0.211.135	A	211.135-ppp.3menatwork.com
72.0.211.136	A+PTR	211.136-ppp.3menatwork.com
72.0.211.145	A	211.145-ppp.3menatwork.com
72.0.211.146	PTR	remote.clarketransport.com
72.0.211.146	A	211.146-ppp.3menatwork.com
72.0.211.147	A	211.147-ppp.3menatwork.com
72.0.211.153	PTR	mx1.citsol.net
72.0.211.159	A+PTR	211.159-ppp.3menatwork.com
72.0.211.162	A	211.162-ppp.3menatwork.com
72.0.211.164	A	211.164-ppp.3menatwork.com
72.0.211.166	A	211.166-ppp.3menatwork.com
72.0.211.169	A	211.169-ppp.3menatwork.com
72.0.211.171	A	211.171-ppp.3menatwork.com
72.0.211.172	A	211.172-ppp.3menatwork.com
72.0.211.173	A	211.173-ppp.3menatwork.com
72.0.211.175	A	211.175-ppp.3menatwork.com
72.0.211.178	A	211.178-ppp.3menatwork.com
72.0.211.182	A	211.182-ppp.3menatwork.com
72.0.211.187	A	211.187-ppp.3menatwork.com
72.0.211.190	A	211.190-ppp.3menatwork.com
72.0.211.196	A	211.196-ppp.3menatwork.com
72.0.211.198	A	211.198-ppp.3menatwork.com
72.0.211.200	A	211.200-ppp.3menatwork.com
72.0.211.201	A	211.201-ppp.3menatwork.com
72.0.211.204	A	211.204-ppp.3menatwork.com
72.0.211.205	A	211.205-ppp.3menatwork.com
72.0.211.210	A	211.210-ppp.3menatwork.com
72.0.211.212	A	211.212-ppp.3menatwork.com
72.0.211.214	A	211.214-ppp.3menatwork.com
72.0.211.215	A	211.215-ppp.3menatwork.com
72.0.211.216	PTR	211.216-ppp.3menatwork.com
72.0.211.221	A	211.221-ppp.3menatwork.com
72.0.211.222	A	211.222-ppp.3menatwork.com
72.0.211.228	PTR	211.228-ppp.3menatwork.com
72.0.211.239	A	211.239-ppp.3menatwork.com
72.0.211.241	A	211.241-ppp.3menatwork.com
72.0.211.252	A+PTR	211.252-ppp.3menatwork.com