Robtex

Up: 129.205.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 129.205.32.0/20
Down right: 129.205.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
129.205.33.2	A+PTR	129-205-33-2.as37497.net
129.205.36.106	A+PTR	129-205-36-106.as37497.net
129.205.39.66	A+PTR	129-205-39-66.as37497.net
129.205.40.229	A+PTR	129-205-40-229.as37497.net
129.205.40.229	A	tecfin.dyndns.org
129.205.41.54	A	mail.boylouw.com
129.205.42.213	A+PTR	129-205-42-213.as37497.net
129.205.42.213	A	tcsmail.npvpn.za.net
129.205.42.213	A	mail.tcsonline.co.za
129.205.44.116	A	vialamoda.homeip.net
129.205.56.23	A+PTR	prmx01.wellhellomes.com
129.205.56.45	A+PTR	mail.dating-emailer.com
129.205.56.45	A+PTR	mta01.prmx01.dating-emailer.com
129.205.56.45	A	prmx01.dating-emailer.com
129.205.56.48	PTR	mail.dailymatchesforyou.com
129.205.56.48	A	prmx01.dailymatchesforyou.com
129.205.56.49	PTR	mail.datesjustforyou.com
129.205.56.49	PTR	mta01.prmx01.datesjustforyou.com
129.205.56.65	A+PTR	prmx01.wellhelloyous.com
129.205.56.68	A+PTR	mail.datethesebabesrightnow.com
129.205.56.79	A+PTR	mail.cupidsemails.com
129.205.56.86	A+PTR	prmx01.wellhellogo.com
129.205.56.107	A+PTR	prmx01.wellhellogos.com
129.205.56.128	A+PTR	prmx01.wellhelloonline.com
129.205.56.143	A+PTR	mail.findlovebyemail.com
129.205.56.149	A+PTR	prmx01.wellhelloonlines.com
129.205.56.170	A+PTR	prmx01.wellhellotech.com
129.205.56.171	A+PTR	mail.availableandlocaldaates.com
129.205.56.188	A+PTR	mail.availablemilfsnearyou.com
129.205.56.191	A+PTR	prmx01.wellshello.com
129.205.56.212	A+PTR	prmx01.wellhellos.com
129.205.56.233	A+PTR	prmx01.wellshellos.com
129.205.57.2	A+PTR	prmx01.localsandsluckys.com
129.205.57.13	A+PTR	mail.datesforthisweekend.com
129.205.57.27	A+PTR	prmx01.localandsluckys.com
129.205.57.52	A+PTR	mta01.prmx01.localandluckys.com
129.205.57.52	A	prmx01.localandluckys.com
129.205.57.77	A+PTR	prmx01.localsandslucky.com
129.205.57.106	A+PTR	prmta01.avventurepersposati.it
129.205.57.127	A+PTR	prmx01.localsandluckys.com
129.205.57.152	A+PTR	prmx01.localanndluucky.com
129.205.57.177	A+PTR	prmx01.locaalandlucky.com
129.205.57.202	A+PTR	prmx01.localaandlucky.com
129.205.57.227	A+PTR	prmx01.localanndlucky.com
129.205.59.10	A+PTR	mail.areyoureadyfortonight.com
129.205.59.10	A+PTR	mta01.prmx01.areyoureadyfortonight.com
129.205.59.13	A+PTR	mail.availableforadate.com
129.205.59.19	PTR	mail.flirt-matchers.com
129.205.59.19	A+PTR	mta01.prmx01.flirt-matchers.com
129.205.59.21	PTR	mail.findaloveforme.com
129.205.59.40	A+PTR	mail.emaildatesearch.com
129.205.59.41	A+PTR	mail.youhaveavideomessage.com
129.205.59.41	A+PTR	mta01.prmx01.youhaveavideomessage.com
129.205.59.44	A+PTR	mail.ladiesforloving.com
129.205.59.46	PTR	mta01.prmx01.letsflirtmail.com
129.205.59.46	PTR	mail.letsflirtmail.com
129.205.59.73	A+PTR	mail.findreallovers.com
129.205.59.75	A+PTR	mta01.prmx01.matchesinyourmailbox.com
129.205.59.75	A+PTR	mail.matchesinyourmailbox.com
129.205.59.79	A+PTR	mail.availabledatesthisweekend.com
129.205.59.81	PTR	mail.findadatebymail.com
129.205.59.96	A+PTR	mail.yourdailymatches.com
129.205.59.96	A+PTR	mta01.prmx01.yourdailymatches.com
129.205.59.98	A+PTR	mail.girlssentbyemail.com
129.205.59.101	PTR	mail.shesavailablenow.com
129.205.59.101	A	mta01.prmx01.shesavailablenow.com
129.205.59.115	PTR	mail.mailmewomen.com
129.205.59.136	A+PTR	mta01.prmx01.cupidslovepicks.com
129.205.59.136	A+PTR	mail.cupidslovepicks.com
129.205.59.149	A+PTR	mta01.prmx01.thedateemailer.com
129.205.59.149	A+PTR	mail.thedateemailer.com
129.205.59.168	A+PTR	mta01.prmx01.datealocalbabe.com
129.205.59.168	A+PTR	mail.datealocalbabe.com
129.205.59.181	A+PTR	mta01.prmx01.yourmatchesarewaiting.com
129.205.59.181	A+PTR	mail.yourmatchesarewaiting.com
129.205.59.200	A+PTR	mta01.prmx01.findadatebyemail.com
129.205.59.200	A+PTR	mail.findadatebyemail.com
129.205.59.216	PTR	mail.urlovemail.com
129.205.59.216	A+PTR	mta01.prmx01.urlovemail.com
129.205.59.216	A	www.urlovemail.com
129.205.59.238	A+PTR	mail.passionflirtmail.com
129.205.59.238	A+PTR	mta01.prmx01.passionflirtmail.com