Robtex

Up: 38.99.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 38.99.88.0/23
Down right: 38.99.90.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
38.99.88.2	A	test30205.mgfhosting.com
38.99.88.22	A	test30113.mgfhosting.com
38.99.88.39	A	mail.megafactory.jp
38.99.88.93	A	test20437.mgfhosting.com
38.99.88.95	A	sudapeshi.com
38.99.88.101	A	mail.jdmoption.com
38.99.88.134	A	mail.webkeeper.net
38.99.88.134	A	www.webkeeper.net
38.99.88.134	A	webkeeper.net
38.99.88.142	A	pressman01.mgfhosting.com
38.99.88.142	A	ati-jp.com
38.99.88.142	A	15net.jp
38.99.89.1	A	va1.webk.net
38.99.89.15	A	test30406.mgfhosting.com
38.99.89.22	A	vds-taro.webk.net
38.99.89.27	A	va2.webk.net
38.99.89.56	A	va3.webk.net
38.99.89.82	A	va4.webk.net
38.99.89.90	A	test30112.mgfhosting.com
38.99.89.104	A	mail.mono-space.net
38.99.89.112	A	va5.webk.net
38.99.89.117	A	www.xjxj.org
38.99.89.141	A	va7.webk.net
38.99.89.143	A	hsb1.silence-net.co.jp
38.99.89.143	A	mb.prolayer.jp
38.99.89.149	A	s40215.mgfhosting.com
38.99.89.154	A	irity.com
38.99.89.196	A	test20439.mgfhosting.com
38.99.89.200	A	va8.webk.net
38.99.89.204	A	mail2.nona.to
38.99.89.204	A	ns2.nona.to
38.99.89.218	A	vb3.webk.net
38.99.89.235	A	diskcave.com
38.99.89.235	A	ns2.rakurakuseo.com
38.99.89.235	A	*.diskcave.com
38.99.89.239	A	mail.10pt.net
38.99.89.252	A	mts06.mgfhosting.com
38.99.90.57	A	xn--q9js7334a.com
38.99.90.83	A	test10328.mgfhosting.com
38.99.90.91	A	48ch.akb48.co.jp
38.99.90.116	A	www.ichibanpoker.com
38.99.90.121	A	smtp.nesstech.net
38.99.90.121	A	mail.nesstech.net
38.99.90.121	A	nipponpillar.net
38.99.90.223	A	mail.furiho.com
38.99.90.236	A	mail.polacho.com
38.99.90.237	A	srv.primehs.net
38.99.90.237	A	mail.otoku.us
38.99.90.237	A	mail.origin-usa.com
38.99.91.1	A	sunvalley.jp
38.99.91.25	A	test30221.mgfhosting.com
38.99.91.32	A	test10415.mgfhosting.com
38.99.91.33	A	cath.mgfhosting.com
38.99.91.105	A	sv1.jellcom.net
38.99.91.121	A	mail.robot-simulator.seo-tool.jp
38.99.91.134	A	netelf.net
38.99.91.134	A	galapago.com
38.99.91.166	A	mail2.fujisemi.com
38.99.91.166	A	fujisemi.com
38.99.91.185	A	test20502.mgfhosting.com
38.99.91.207	A	manbakenya.com
38.99.91.230	A	s20542.mgfhosting.com