Robtex

Up: 199.89.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 199.89.0.0/21
Down right: 199.89.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.89.0.0	A	barbie4u.co.uk
199.89.0.1	A	gw00.mailroute.net
199.89.0.11	PTR	ns01.mailroute.net
199.89.0.21	A	lax-si01.mailroute.net
199.89.0.22	A	lax-si02.mailroute.net
199.89.0.31	PTR	lax-kvm01.mailroute.net
199.89.0.51	A+PTR	lax-web01.mailroute.net
199.89.0.52	A	lax-web02.mailroute.net
199.89.0.53	A+PTR	lax-web03.mailroute.net
199.89.0.54	A	lax-web04.mailroute.net
199.89.0.71	A+PTR	lax-ss01.mailroute.net
199.89.0.79	A	ss02-bur.mailroute.net
199.89.0.91	PTR	lax-fs01.mailroute.net
199.89.0.91	A	ns02.mailroute.net
199.89.0.91	A	mail.informatiemanager.eu
199.89.0.101	A+PTR	gw01.lax01.mailroute.net
199.89.0.101	A	ns01.mailroute.net
199.89.0.101	A	lax-gw01.mroute.net
199.89.0.102	PTR	gw02.lax01.mailroute.net
199.89.0.103	PTR	gw03.lax01.mailroute.net
199.89.0.112	A	lax-gw12.mailroute.net
199.89.0.113	PTR	gw13.lax01.mailroute.net
199.89.0.113	A	lax-gw13.mailroute.net
199.89.0.114	A	lax-gw14.mailroute.net
199.89.0.115	PTR	gw15.lax01.mailroute.net
199.89.0.115	A	ns05.terramar.net
199.89.0.201	A	mail.whiteliontea.com
199.89.0.201	A	mail.piercefh.com
199.89.0.201	A	mx0.dbims.com
199.89.0.211	A+PTR	lax-spamstore.mailroute.net
199.89.0.232	A	mail-secure.mailroute.net
199.89.1.4	A+PTR	001.lax.mailroute.net
199.89.1.4	A	mr001.lax02.mailroute.net
199.89.1.4	A	ns11.mailroute.net
199.89.1.5	PTR	002.lax.mailroute.net
199.89.1.6	PTR	003.lax.mailroute.net
199.89.1.7	PTR	mr004.lax02.mailroute.net
199.89.1.16	A	013.lax.mailroute.net
199.89.1.17	A+PTR	014.lax.mailroute.net
199.89.1.120	A+PTR	mail.lax.mailroute.net
199.89.1.120	A	mx.riverlandresort.net
199.89.1.120	A	mr117.lax02.mailroute.net
199.89.1.122	PTR	mr119.lax02.mailroute.net
199.89.1.122	A	outbound.mailroute.net
199.89.1.128	A	webmail.mailroute.net
199.89.1.225	PTR	fiji.islandtechnologies.net
199.89.1.225	A	pop.islandemail.com
199.89.1.225	A	smtp.islandemail.com
199.89.2.4	A	001.ord.mailroute.net
199.89.2.5	A	002.ord.mailroute.net
199.89.2.6	A	003.ord.mailroute.net
199.89.2.7	A	004.ord.mailroute.net
199.89.2.16	A	013.ord.mailroute.net
199.89.2.17	A	014.ord.mailroute.net
199.89.2.120	PTR	mail.ord.mailroute.net
199.89.2.120	A	mx.globaleliteinc.com
199.89.2.120	A	mr117.ord01.mailroute.net
199.89.2.122	A	outbound.mailroute.net
199.89.3.5	A	002.iad.mailroute.net
199.89.3.5	A	ns32.mailroute.net
199.89.3.5	A	002.mia.mailroute.net
199.89.3.7	A	004.iad.mailroute.net
199.89.3.16	A	013.iad.mailroute.net
199.89.3.17	A	014.iad.mailroute.net
199.89.3.120	A+PTR	mail.mia.mailroute.net
199.89.3.120	A	mail.mailroute.net
199.89.3.122	A	outbound.mailroute.net
199.89.4.4	A+PTR	001.las.mailroute.net
199.89.4.4	A	ns41.mailroute.net
199.89.4.4	A	ns41.mailroute.info
199.89.4.5	PTR	002.las.mailroute.net
199.89.4.6	PTR	003.las.mailroute.net
199.89.4.7	PTR	004.las.mailroute.net
199.89.4.16	A	013.las.mailroute.net
199.89.4.17	A	014.las.mailroute.net
199.89.4.20	PTR	017.las.mailroute.net
199.89.4.120	A+PTR	mail.las.mailroute.net
199.89.4.120	A	mail.inthemix.net.au
199.89.4.120	A	mail.mailroute.net