Robtex

Up: 162.218.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 162.218.32.0/22
Down right: 162.218.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
162.218.32.20	A+PTR	terminus.criticalmass.com
162.218.32.20	A	awardshowcase.net
162.218.32.20	A	terminus.cmass.co
162.218.32.21	PTR	ns-cal.cmass.co
162.218.32.24	A	mailmx.cmass.co
162.218.32.24	A	mailmx.criticalmass.com
162.218.32.33	A+PTR	nobody.cmass.co
162.218.32.33	A	nobody.criticalmass.com
162.218.32.33	A	criticalmass.co
162.218.32.42	A+PTR	nobody.criticalmass.com
162.218.32.42	A	nobody.cmass.co
162.218.32.45	A	nobody.cmass.co
162.218.32.45	A	nobody.criticalmass.com
162.218.32.46	A	present.criticalmass.com
162.218.32.60	A	ftp2.criticalmass.com
162.218.32.60	A	maildcy1.criticalmass.com
162.218.32.60	A	maildcy2.criticalmass.com
162.218.32.66	A+PTR	ns-master.cmass.co
162.218.32.66	A	ns-master.criticalmass.co
162.218.32.67	A+PTR	ns-cal2.cmass.co
162.218.32.67	A	ns-cal2.criticalmass.co
162.218.32.70	PTR	omicron.criticalmass.com
162.218.32.116	A	mamba.criticalmass.com
162.218.32.130	A+PTR	nobody.criticalmass.com
162.218.32.130	A	nobody.cmass.co
162.218.33.252	A+PTR	preview.criticalmass.com
162.218.33.252	A	nobody.cmass.co
162.218.33.252	A	nobody.criticalmass.com
162.218.34.20	A+PTR	ns-tor.cmass.co
162.218.34.20	A	ns-tor.criticalmass.com
162.218.34.67	A+PTR	ns-tor2.criticalmass.com
162.218.34.67	A	ns-tor2.criticalmass.co
162.218.35.2	A	nobody162-218-35-2.criticalmass.com
162.218.36.20	A+PTR	ns-chi.cmass.co
162.218.36.20	A	ns-chi.criticalmass.com
162.218.36.24	A	mailmx4.criticalmass.com
162.218.36.62	A+PTR	nobody162-218-36-62.cmass.co
162.218.36.62	A	ns-chi2.criticalmass.co