Robtex

Up: 198.178.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 198.178.32.0/21
Down right: 198.178.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.178.38.20	A+PTR	hfc001-inetapps-isp.instinet.com
198.178.38.21	A+PTR	csgh2.instinet.com
198.178.38.21	A	csgn1.instinet.com
198.178.38.22	A	hfc002-inetapps-isp.instinet.com
198.178.38.43	A	tcs_hfc_internet_vip.instinet.com
198.178.38.44	A	cms_hfc_internet_vip.instinet.com
198.178.38.100	A	ntdavip.instinet.com
198.178.38.121	A	newportfx.glb.instinet.com
198.178.38.121	A	newp0rtfx.com
198.178.38.152	A	www.blockcross.com
198.178.38.173	PTR	hnwplinux3.services.instinet.com
198.178.38.175	A	hnwplinux5.services.instinet.com
198.178.38.177	A	hnwpasia1.services.instinet.com
198.178.38.179	A+PTR	hnwpimi.services.instinet.com
198.178.38.190	PTR	portalvip.prod.instinet.com
198.178.38.194	A	fintech-at-fifty.com
198.178.38.194	A	fintech-is-50.com
198.178.38.194	A	instinet.com
198.178.38.231	A+PTR	ns2.instinet.com
198.178.39.141	A	ns01.lb.instinet.com
198.178.40.20	A+PTR	njd001-inetapps-isp.instinet.com
198.178.40.21	A	csgt2.instinet.com
198.178.40.22	A	njd002-inetapps-isp.instinet.com
198.178.40.25	A	mx2.instinet.com
198.178.40.41	A	fintech-at-fifty.com
198.178.40.41	A	fintech-is-50.com
198.178.40.41	A	instinet.com
198.178.40.121	A	newp0rtfx.com
198.178.40.143	A	bed_newport_ssl_internet.services.instinet.com
198.178.40.231	A+PTR	ns1.instinet.com
198.178.41.25	A	wmailr01.instinet.com
198.178.41.35	A	bsp01.instinet.com
198.178.41.42	A+PTR	iras_3xsq_vip.instinet.com
198.178.41.43	A	ias_3xsq_vip.instinet.com
198.178.41.90	A+PTR	ns03.instinet.com
198.178.41.141	PTR	npgtm01.prod.instinet.com
198.178.41.141	A	ns02.glb.instinet.com
198.178.41.141	A	ns02.lb.instinet.com
198.178.41.230	A	bdnsbz01.instinet.com
198.178.41.244	A	3xspmswmail001.instinet.com
198.178.41.245	A	3xspmswmail002.instinet.com