Robtex

Up: 72.20.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.20.4.6	PTR	starter.fastsi.org
72.20.4.21	PTR	hercules.bittraffic.com
72.20.4.22	PTR	hercules.bittraffic.com
72.20.4.78	PTR	72.20.4.78.staminus.net
72.20.4.78	A	beibeistore.com
72.20.4.78	A	*.youarewack.com
72.20.4.86	PTR	dua.alwaysondns.com
72.20.4.102	PTR	utorrent.com
72.20.4.110	A+PTR	mail1.blockdos.net
72.20.4.154	A+PTR	web01.reblogg.com
72.20.4.154	A	mail.reblogg.com
72.20.4.186	PTR
72.20.4.189	PTR	72.20.4.189.staminus.net
72.20.4.218	A	mail.commissionwizard.com
72.20.4.242	PTR
72.20.4.242	A	ns1.eroscash.com
72.20.5.1	PTR	thefinder.us.omgwtfhax.net
72.20.5.2	PTR	thefinder.us.omgwtfhax.net
72.20.5.3	PTR	6
72.20.5.4	PTR	9
72.20.5.8	PTR	2
72.20.5.10	PTR	72.20.5.10.staminus.net
72.20.5.11	PTR	7
72.20.5.12	PTR	2
72.20.5.16	PTR	v
72.20.5.17	PTR	xup.pl
72.20.5.18	PTR	xup.pl
72.20.5.18	A	ns2.przelicytuj.pl
72.20.5.19	PTR	s
72.20.5.20	PTR
72.20.5.27	PTR	i
72.20.5.28	PTR	v
72.20.5.32	PTR	e
72.20.5.39	PTR	l
72.20.5.40	PTR	o
72.20.5.41	PTR	sh3lls.net
72.20.5.42	PTR	sh3lls.net
72.20.5.43	PTR	s
72.20.5.46	PTR
72.20.5.48	PTR	i
72.20.5.51	PTR	x
72.20.5.54	PTR
72.20.5.54	A	dapapps.com
72.20.5.65	PTR	flameboy.org
72.20.5.66	PTR	firepacket.net
72.20.5.66	A	ns2.flameboy.org
72.20.5.70	PTR
72.20.5.78	A+PTR	us.indowebster.com
72.20.5.85	PTR	distridev.com
72.20.5.93	PTR	tutku.com
72.20.5.94	PTR	server149948.santrex.net
72.20.5.94	A	utbbs.ca
72.20.5.117	PTR	ns1.netspike.org
72.20.5.118	PTR	ns2.netspike.org
72.20.5.118	A	ns4.dnsalloc.com
72.20.5.130	PTR	irc.passthepopcorn.me
72.20.5.138	PTR
72.20.5.146	PTR	anisa.deloraharleysystems.net
72.20.5.234	A	chaos.fjcdns.com
72.20.5.250	PTR	ns2.vokanenterprises.com
72.20.5.250	A	dns1.eroscash.com