Robtex

Up: 192.155.49.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 192.155.49.0/26
Down right: 192.155.49.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.155.49.1	PTR	vrrp-gw-30a.net.ubm-us.net
192.155.49.2	A+PTR	cs0-gw-30a.net.ubm-us.net
192.155.49.3	A+PTR	cs1-gw-30a.net.ubm-us.net
192.155.49.5	PTR	ns1.ubm-us.net
192.155.49.6	PTR	usweb01.ubm-us.net
192.155.49.8	PTR	mail1.ubm-us.net
192.155.49.9	A	tstest01.ubm-us.net
192.155.49.10	PTR	ns2.ubm-us.net
192.155.49.11	A+PTR	dapp251.cmpnet.com
192.155.49.12	A+PTR	uapp251.cmpnet.com
192.155.49.13	A+PTR	seminar3.techonline.com
192.155.49.14	A+PTR	app251.cmpnet.com
192.155.49.15	PTR	app252.cmpnet.com
192.155.49.16	A	canon01.ubm-us.net
192.155.49.17	PTR	twgdcs01.ubm-us.net
192.155.49.17	A	createsubs.com
192.155.49.17	A	gdc4p.com
192.155.49.18	A	twgdcs02.ubm-us.net
192.155.49.20	A+PTR	app501.ubm-us.net
192.155.49.21	A	fsa-192.ubm-us.net
192.155.49.22	A	fsb-192.ubm-us.net
192.155.49.23	A+PTR	twgapp02.ubm-us.net
192.155.49.23	A	www.igf.com
192.155.49.23	A	www.jointhegamenetwork.com
192.155.49.24	A	ecrt01.ubm-us.net
192.155.49.29	A+PTR	twvault01.ubm-us.net
192.155.49.32	A	dsdev01.ubm-us.net
192.155.49.33	A	dapp803.cmpnet.com
192.155.49.33	A	dapp803.ubm-us.net
192.155.49.35	A+PTR	twzstress01.ubm-us.net
192.155.49.37	A	dcatersource01.ubm-us.net
192.155.49.38	A+PTR	twgapp01.ubm-us.net
192.155.49.38	A	gamecareerseminar.net
192.155.49.38	A	gamecareerguide.net
192.155.49.39	PTR	twqvault01.ubm-us.net
192.155.49.40	A+PTR	qwest-netbackup.ubm-us.net
192.155.49.40	A	qwest-netbackup.cmpnet.com
192.155.49.43	A	twgdcs03.ubm-us.net
192.155.49.44	PTR	wsus01.ubm-us.net
192.155.49.46	PTR	nat-gw49-46.ubm-us.net
192.155.49.47	A	twzdev01.ubm-us.net
192.155.49.48	PTR	cnddapp01.ubm-us.net
192.155.49.49	A	canontemp01.ubm-us.net
192.155.49.53	A	twzapp08.ubm-us.net
192.155.49.54	A+PTR	devtools01.ubm-us.net
192.155.49.56	A+PTR	app220b.ubm-us.net
192.155.49.57	A	app221b.ubm-us.net
192.155.49.58	A+PTR	dapp220b.ubm-us.net
192.155.49.58	A	requests.mlii.com
192.155.49.60	A+PTR	ubms001.ubm-us.net
192.155.49.61	A	pharmaevolution.com
192.155.49.62	PTR	app249b.ubm-us.net
192.155.49.62	A	createyournextcustomer.techweb.com
192.155.49.62	A	mysifmatmc.com
192.155.49.64	A+PTR	ubmcanon01.ubm-us.net
192.155.49.65	A	chanweb02-stress.ubm-us.net
192.155.49.66	A	chanweb02.ubm-us.net
192.155.49.67	A	chanweb01.ubm-us.net
192.155.49.68	A+PTR	tsolr02.ubm-us.net
192.155.49.69	PTR	app222b.ubm-us.net
192.155.49.69	A	blackhat-exhibitors.com
192.155.49.69	A	blog.web2expo.com
192.155.49.73	A+PTR	eetdp01.ubm-us.net
192.155.49.74	A+PTR	deetdp01.ubm-us.net
192.155.49.79	PTR	app520.ubm-us.net
192.155.49.79	A	app520.cmpnet.com
192.155.49.80	A+PTR	app530.ubm-us.net
192.155.49.80	A	app530.cmpnet.com
192.155.49.82	A	twzapp01.ubm-us.net
192.155.49.86	PTR	ubms002.ubm-us.net
192.155.49.86	A	xpedxlaunchpad.com
192.155.49.86	A	teamcenterlaunchpad.com
192.155.49.88	A	ars01.ubm-us.net
192.155.49.89	A	ars02.ubm-us.net
192.155.49.90	A	twdmt01.ubm-us.net
192.155.49.91	A+PTR	twzprofile01.ubm-us.net
192.155.49.92	A+PTR	twzapp21.ubm-us.net
192.155.49.93	A+PTR	twzapp22.ubm-us.net
192.155.49.96	A+PTR	twzapp25.ubm-us.net
192.155.49.97	PTR	twzapp26.ubm-us.net
192.155.49.98	A+PTR	twzapp27.ubm-us.net
192.155.49.100	A	free01.ubm-us.net
192.155.49.101	A	free02.ubm-us.net
192.155.49.104	PTR	techphp01.ubm-us.net
192.155.49.104	A	twzapp03.ubm-us.net
192.155.49.105	PTR	techphp02.ubm-us.net
192.155.49.127	PTR	tapp002.cmpnet.com