Robtex

Up: 72.15.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.15.48.0/23
Down right: 72.15.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.15.48.4	A+PTR	lo0.bfr01.905kingstw01.yyz.beanfield.com
72.15.48.11	PTR	lo0.bfr01.151frontstw01.yyz.beanfield.com
72.15.48.13	PTR	lo1.bfr01.151frontstw01.yyz.beanfield.com
72.15.48.13	A	lo0.bfr01.151frontstw01.yyz.beanfield.com
72.15.48.210	PTR	lo1.pe01.642kingstw01.yyz.beanfield.com
72.15.48.242	PTR	lo1.pe01.197spadinaav01.yyz.beanfield.com
72.15.49.32	PTR	te0-0-0-1.bfr01.77mowatav01.yyz.beanfield.com
72.15.49.33	PTR	te0-0-0-1.bfr01.151frontstw01.yyz.beanfield.com
72.15.49.34	PTR	be2.bfr01.151frontstw01.yyz.beanfield.com
72.15.49.48	PTR	te0-0-25.pe01.800squarevictoriast01.yul.beanfield.com
72.15.49.61	PTR	et-0-0-1.bdr01.60hudsonst01.jfk.beanfield.com
72.15.49.100	A+PTR	mail.givex.com
72.15.49.100	A+PTR	mail1.givex.com
72.15.49.100	A+PTR	smtp.givex.com
72.15.49.105	A	dev-dataconnect.givex.com
72.15.49.105	A	dev-gapi.givex.com
72.15.49.112	A	pospartnersupport.com
72.15.49.244	A+PTR	vl4008.pe01.460richmondstw01.yyz.beanfield.com
72.15.50.14	A+PTR	lo0.pe01.1stclairavw01.yyz.beanfield.com
72.15.50.19	A+PTR	lo0.pe14.151frontstw01.yyz.beanfield.com
72.15.50.34	A+PTR	lo0.pe01.23fraserav01.yyz.beanfield.com
72.15.50.43	PTR	lo0.pe03.3445parcav01.yul.beanfield.com
72.15.50.43	A	lo0.pe06.77mowatav02.yyz.beanfield.com
72.15.50.73	A+PTR	lo0.pe02.23fraserav01.yyz.beanfield.com
72.15.50.81	A+PTR	lo0.pe10.100kingstw01.yyz.beanfield.com
72.15.50.81	A	lo0.pe01.401bayst01.yyz.beanfield.com
72.15.50.106	A+PTR	lo0.pe01.184frontste01.yyz.beanfield.com
72.15.50.150	A+PTR	lo0.pe04.1250renelevesquebl01.yul.beanfield.com
72.15.50.185	A+PTR	lo0.pe06.60adelaideste01.yyz.beanfield.com
72.15.50.218	PTR	lo0.pe12.151frontstw01.yyz.beanfield.com
72.15.50.231	A+PTR	lo0.pe02.1yorkst01.yyz.beanfield.com
72.15.50.243	A+PTR	lo0.bpe01.700754thstse01.yyc.beanfield.com
72.15.51.57	PTR	te0-0-24.pe02.1250renelevesquebl01.yul.beanfield.com
72.15.51.72	PTR	gi0-1-0-2.bfr01.151frontstw01.yyz.beanfield.com
72.15.51.77	PTR	be202.ppe01.18wynforddr01.yyz.beanfield.com
72.15.51.106	PTR	te0-0-25.pe01.zibi.yow.beanfield.com
72.15.51.109	PTR	te0-1.pe02.151frontstw01.yyz.beanfield.com
72.15.51.134	PTR	te0-0-25.pe02.800squarevictoriast01.yul.beanfield.com
72.15.51.144	PTR	te0-2.pe01.20adelaideste01.yyz.beanfield.com
72.15.51.159	PTR	te0-1.pe01.777bayst01.yyz.beanfield.com
72.15.51.202	PTR	te0-1.pe01.905kingstw500.yyz.beanfield.com