Robtex

Up: 209.191.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 209.191.224.0/20
Down right: 209.191.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.191.228.68	A	vpn.kcg.com
209.191.228.69	A	ftp2.knighttrading.com
209.191.228.71	A	pr1wssmt03.knighttrading.com
209.191.228.72	A	pr1mx03.knighttrading.com
209.191.228.130	A	prgw1.knighttrading.com
209.191.228.168	A	ns2.knighttrading.com
209.191.228.168	A	ns2.kcg.com
209.191.228.175	A	pr1lkdmdbeta2.knight.com
209.191.228.182	A	mustangbetapr1.knight.com
209.191.230.37	A	ns1.kernelhosting.in
209.191.231.25	A	dr.bexdata.com
209.191.231.195	A	demo.nite-phd.com
209.191.236.78	A	bondpoint.com
209.191.236.78	A	kcgbondpoint.com
209.191.236.78	A	www.kcgbondpoint.com
209.191.236.90	A	fitradingdesk.com
209.191.243.202	A	hotspotfx.eu
209.191.246.1	A+PTR	co1.knighttrading.com
209.191.246.37	A	jc1mx01.knighttrading.com
209.191.246.37	A	mail11.knight.com
209.191.246.38	A+PTR	mail12.knight.com
209.191.246.38	A	jc1mx02.knighttrading.com
209.191.246.39	PTR	mail1.kcg.com
209.191.246.40	PTR	mail2.kcg.com
209.191.247.38	A	jc1lmust3.knight.com
209.191.247.44	A	mobile.kcg.com
209.191.247.44	A	knightglobal.com
209.191.247.44	A	mobile.knightglobal.com
209.191.247.82	A	www3.kcg.com
209.191.247.83	A	tt.knight.com
209.191.247.86	A	www.efutures.com
209.191.250.141	A	hotspotfxr.com
209.191.250.141	A	hotspotfxi.com
209.191.250.145	A	www.hotspotfx.com
209.191.250.146	A	kcghotspotfx.com
209.191.250.245	A	kcghotspot.com
209.191.253.25	A	ipibonds.com
209.191.253.28	A	fitradingdesk.com
209.191.253.30	A	bextest.bexdata.com
209.191.253.201	A	www.bondpoint.com
209.191.253.201	A	virtubondpoint.com
209.191.253.202	A	knightbondpoint.com
209.191.253.204	A	kcgbondpoint.com