Robtex

Up: 188.252.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 188.252.13.0/25
Down right: 188.252.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.252.13.1	A+PTR	mta-1.autotrade.pl
188.252.13.1	A	autotrade.pl
188.252.13.4	A	news.lynnemctaggart.com
188.252.13.5	PTR	mta-1.getresponse.webspiro.pl
188.252.13.5	A	email.academy27.ru
188.252.13.5	A	getresponse.webspiro.pl
188.252.13.7	PTR	mta-1.pl.getresponse.com
188.252.13.7	A	pl.getresponse.com
188.252.13.13	A	eml.mydeal.pl
188.252.13.14	PTR	mta-2.eml.mydeal.pl
188.252.13.21	A	mailing.dobryhotel.com
188.252.13.25	A	wysylka.neckermann.pl
188.252.13.27	A	mail.okazje.info
188.252.13.29	PTR	mta-1.newsletter-im.saint-gobain.com
188.252.13.29	A	newsletter.tzskokska.pl
188.252.13.29	A	mta-1.newsletter.tzskokska.pl
188.252.13.33	A	email.babadu.ru
188.252.13.34	A	e.pharmacosmetica.ru
188.252.13.42	A	mailing.stryjska.pl
188.252.13.50	A+PTR	mta-2.mailing.pozyczkoteka.pl
188.252.13.51	A	mailing.pernod-ricard-polska.com
188.252.13.53	A+PTR	mta-3.newspro.saint-gobain.com
188.252.13.53	A	mailing.grono.net.pl
188.252.13.53	A	mail.crystalloop.com
188.252.13.56	A+PTR	mta-4.mailing.grono.net.pl
188.252.13.57	A+PTR	mta-1.mailing.effectivo.pl
188.252.13.59	PTR	mta-2.mail-golfdesmarques.com
188.252.13.59	A	i.payback.pl
188.252.13.60	A	mailing.cdprojektred.com
188.252.13.62	PTR	mta-1.membership-safestay.com
188.252.13.62	A	membership-safestay.com
188.252.13.65	A	mailing.nazwa.pl
188.252.13.71	A	mailing.zanea.pl
188.252.13.72	A+PTR	mta-1.mailingpolsat.pl
188.252.13.72	A	gr.im4.pl
188.252.13.72	A	mailingpolsat.pl
188.252.13.73	A	mailing.sukcesaukcjonera.pl
188.252.13.80	PTR	mta-1.mailing.visionexpress.pl
188.252.13.80	A	mailing.visionexpress.pl
188.252.13.88	A	news.finansetop.pl
188.252.13.89	A	e.vestochka.su
188.252.13.90	PTR	90-13-252-188.implix.com
188.252.13.90	A	www.kalypso.shop
188.252.13.90	A	mailing.younityworld.com
188.252.13.91	A	www.news-hpba.pl
188.252.13.91	A	news-hpba.pl
188.252.13.93	A	email.lefutur.ru
188.252.13.94	A	m.legalis.pl
188.252.13.97	A	email.fast-marketing.ru
188.252.13.98	A	www.serviermailing.pl
188.252.13.98	A	serviermailing.pl
188.252.13.100	A	mailtest.hint.pl
188.252.13.101	A	www.email.kommersant.ru
188.252.13.101	A	email.kommersant.ru
188.252.13.102	A	mailingi.hint.pl
188.252.13.104	A	mailing.qiwi.pl
188.252.13.106	A	e.rozhdestvenskiy.com
188.252.13.108	A	mail.ncplus.com.pl
188.252.13.109	A	mailing.efitness.pl
188.252.13.111	PTR	mta-1.mailing.laurenscoster.com
188.252.13.111	A	mailing.cyberpunk.net
188.252.13.111	A	mailing.laurenscoster.com
188.252.13.114	PTR	mta-1.e-mail.beck.pl
188.252.13.114	A	ch.beck.pl
188.252.13.115	A	mailing.sympatia.pl
188.252.13.120	PTR	mta-2.emailmarketing.eastendshop.com
188.252.13.122	A	mail.finansegoc.pl
188.252.13.124	PTR	mta-1.news.wip.pl
188.252.13.124	A	news.wip.pl
188.252.13.124	A	www.news.wip.pl
188.252.13.125	A+PTR	mta-2.news.wip.pl
188.252.13.126	PTR	mta-1.emailing.efitness.pl
188.252.13.126	A	emailing.efitness.pl
188.252.13.128	A+PTR	mta-1.blizejciebie.avon.pl
188.252.13.128	A	blizejciebie.avon.pl
188.252.13.130	PTR	mta-1.gr.nf.pl
188.252.13.130	A	swiadomy-inwestor.pl
188.252.13.130	A	gr.nf.pl
188.252.13.138	A+PTR	mta-5.news.wip.pl
188.252.13.139	PTR	139-13-252-188.implix.com
188.252.13.145	PTR	145-13-252-188.implix.com
188.252.13.145	A	www.newsletter.businessinsider.com.pl
188.252.13.145	A	newsletter.businessinsider.com.pl
188.252.13.146	A	newsletter.vumag.pl
188.252.13.152	A+PTR	mta-1.nozbe.info
188.252.13.152	A	www.nozbe.info
188.252.13.152	A	email.yonelle.pl
188.252.13.153	A	mailing.playgwent.com
188.252.13.159	A	newsletter.kiddoland.pl
188.252.13.161	PTR	mta-1.newsletter.xtb.com
188.252.13.161	A	newsletter.xtb.com
188.252.13.169	A	e.korablik.ru
188.252.13.173	A+PTR	mta-1.plusinfo.pl
188.252.13.173	A	www.plusinfo.pl
188.252.13.173	A	plusinfo.pl
188.252.13.174	A	superjvs.com
188.252.13.175	A	mta-2.superjvs.com
188.252.13.179	A	e.evenik.ru
188.252.13.181	PTR	181-13-252-188.implix.com
188.252.13.181	A	e.sportiv.ru
188.252.13.183	A	e.proball.ru
188.252.13.185	A	e.ted1.ru
188.252.13.187	A+PTR	mta-1.email.bankpsafinance.ru
188.252.13.191	A	e.jetradar.co.th
188.252.13.194	PTR	194-13-252-188.implix.com
188.252.13.194	A	wysylka.bankier.pl
188.252.13.196	A	e.citroen.ru
188.252.13.198	A	email.fursk.ru
188.252.13.200	A	email.promosecrets.ru
188.252.13.207	A	e.kupibilet.ru
188.252.13.208	PTR	208-13-252-188.implix.com
188.252.13.208	A	e.landingtoday.ru
188.252.13.213	A	mailing.money.pl
188.252.13.216	A	email.city-market.ru
188.252.13.218	A	email.netology.ru
188.252.13.221	A	e.ulmart.ru
188.252.13.225	PTR	225-13-252-188.implix.com
188.252.13.225	A	e.eldorado.ru
188.252.13.232	A	qihemail.com
188.252.13.238	A	www.digikickstart.net
188.252.13.238	A	digikickstart.net
188.252.13.241	A+PTR	mta-1.mailing.pozyczkoteka.pl
188.252.13.242	A+PTR	mta-1.itelligence-group.com
188.252.13.242	A	www.itelligence-group.com
188.252.13.242	A	mail.itelligence-group.com
188.252.13.244	A	mail.shinybox.pl
188.252.13.246	A	email.kerpro.pl
188.252.13.247	A	email.morgulec.com
188.252.13.252	A	promega.getresponse360.pl
188.252.13.252	A	nottinghamu.getresponse360.pl
188.252.13.252	A	ikeanor.getresponse360.pl
188.252.13.253	A	newsletter.rivegauche.ru