Robtex

Up: 121.52.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 121.52.0.0/18
Down right: 121.52.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.52.25.50	A	mailtjg.rajaya.com
121.52.49.1	PTR	ip-52-49-1.bankmega.com
121.52.49.3	PTR	ip-52-49-3.bankmega.com
121.52.49.4	PTR	ip-52-49-4.bankmega.com
121.52.49.5	PTR	ip-52-49-5.bankmega.com
121.52.49.99	A	zsmtp-in1.bankmega.com
121.52.49.99	A	zsmtp-out1.bankmega.com
121.52.49.101	A	ns.bankmega.com
121.52.49.101	A	ns2.bankmega.com
121.52.49.128	PTR	ip-52-49-128.bankmega.com
121.52.49.129	PTR	ip-52-49-129.bankmega.com
121.52.49.131	PTR	ip-52-49-131.bankmega.com
121.52.49.134	PTR	ip-52-49-134.bankmega.com
121.52.49.161	A	mail.megaci.com
121.52.49.169	A	ns1.megainsurance.co.id
121.52.49.170	A	portal.megainsurance.co.id
121.52.49.171	A	megainsurance.co.id
121.52.50.20	PTR	mail.kudosfurniture.com
121.52.50.29	A	mail.ardijaya.com
121.52.51.90	A	mail.shn.co.id
121.52.51.90	A	mail2.shn.co.id
121.52.51.90	A	mail.traknus.co.id
121.52.51.198	PTR	mail.hasjrat.co.id
121.52.51.209	PTR	rni.co.id
121.52.58.78	A	mx.suprabogalestari.com
121.52.58.164	PTR	webmail.cbaconsulting.co.id
121.52.58.186	PTR	mail.premiumtechnica.com
121.52.61.9	PTR	smtp-corp.xl-temporary103.net.id
121.52.61.9	A+PTR	smtp-corp.xl.net.id
121.52.61.33	PTR	xmail1.xl.net.id
121.52.61.34	PTR	xmail2.xl-temporary103.net.id
121.52.61.34	A+PTR	xmail2.xl.net.id
121.52.61.34	A	xmail.xl.net.id
121.52.61.35	A	xmail.xl.net.id
121.52.61.35	A	xmail1.xl.net.id
121.52.61.39	A	smtp-corp.xl.net.id
121.52.64.29	A	mail02.beraucoal.co.id
121.52.66.22	A+PTR	webmail.londonsumatra.com
121.52.68.27	A	myaccess.commbank.com.vn
121.52.68.115	A	mail1.commbank.co.id
121.52.68.178	A	commbank.com.vn
121.52.68.178	A	www.commbank.com.vn
121.52.70.54	PTR	bali.karmaresorts.com
121.52.71.10	PTR	commbankindo.com
121.52.71.10	PTR	mymailanywhere.org
121.52.71.20	A	masjid-alihsan.org
121.52.71.20	A	mail.yamaharacingindonesia.co.id
121.52.71.20	A	hosting.xl.net.id
121.52.71.132	PTR	shot2nd.antam.com.71.52.121.in-addr.arpa
121.52.71.134	PTR	shot4.antam.com
121.52.71.158	PTR	mail.cjp-jkt.co.id
121.52.71.158	PTR	mail.pt-cjp.co.id
121.52.71.158	PTR	mail.pt-sn.co.id
121.52.78.146	A	www.bobcpp.co.id
121.52.78.148	A	mx7.bobcpp.co.id
121.52.78.151	A	ns6.bobcpp.co.id
121.52.79.74	PTR	mail.kereta-api.co.id
121.52.79.105	A	baca.xl.co.id
121.52.79.106	A	m.baca.xl.co.id
121.52.86.18	PTR	mail.mandom.co.id
121.52.89.49	A+PTR	mailsrv.diamond.co.id
121.52.89.130	A	mail3.prakarsaalamsegar.com
121.52.90.50	PTR	mail2.bmj-indonesia.com
121.52.91.90	A+PTR	mail.sthonorehotelresort.com
121.52.94.73	A	batuhijaucommunity.com