Robtex

Up: 216.249.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.249.42.0/24
Down right: 216.249.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.249.42.57	A+PTR	mail.tokiomillennium.com
216.249.42.57	A	mail.tokiosolution.com
216.249.42.57	A	mail.shimare.com
216.249.42.116	PTR	216.249.42.116.ppp.northrock.bm
216.249.42.116	A	mail.swissmarine.bm
216.249.42.214	A+PTR	216.249.42.214.ppp.northrock.bm
216.249.42.234	PTR	mail.telecom.bm
216.249.42.234	A	mail.renaviation.com
216.249.42.234	A	server1.faries.bm
216.249.42.238	A+PTR	216.249.42.238.ppp.northrock.bm
216.249.42.253	A+PTR	mail.gazette.bm
216.249.42.253	A	mail2.royalgazette.bm
216.249.42.253	A	mail.royalgazette.bm
216.249.43.1	A+PTR	mail.aeolusre.bm
216.249.43.5	A	aeolusdataroom.bm
216.249.43.18	PTR	mail.twltd.bm
216.249.43.18	A	mail1.globalgateways.bm
216.249.43.18	A	mail2.twltd.bm
216.249.43.20	A+PTR	mail.twltd.bm
216.249.43.26	PTR	mail.bfa.bm
216.249.43.34	PTR	mail.tuckerspoint.com
216.249.43.34	A	mail.bpl.bm
216.249.43.59	A+PTR	mailhh.delphi.bm
216.249.43.60	A+PTR	mailhh.acm.bm
216.249.43.78	A	mail.scandinavian-re.bm
216.249.43.83	PTR	mail.bdashipping.bm
216.249.43.122	A	mail4.archinsurance.bm
216.249.43.122	A	mail4.alternativegroup.bm
216.249.43.122	A	mail4.alternative-re.bm
216.249.43.170	PTR	170.mercury.bm
216.249.43.170	A	mail.hamilton.bm
216.249.43.170	A	mail.pagetpools.com
216.249.43.238	PTR	mail.regorealtors.com
216.249.43.250	PTR	mail.peugeot.bm