Robtex

Up: 63.117.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 63.117.8.0/23
Down right: 63.117.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.117.8.3	PTR	miscellaneous.nb.com
63.117.8.46	PTR	host46.nb.com
63.117.8.60	PTR	host60.nb.com
63.117.8.60	A	ns2.nbddif.com
63.117.8.60	A	ns2.nb.com
63.117.8.141	PTR	host141.nb.com
63.117.8.254	A	pi3crp02-ldbg01int.nb.com
63.117.8.254	A	glb-1-pi.nb.com
63.117.9.136	PTR	host136.nb.com
63.117.9.137	PTR	host137.nb.com
63.117.9.137	A	practicalalternative.com
63.117.9.138	PTR	host138.nb.com
63.117.9.138	A	apracticalalternative.com
63.117.9.140	PTR	host140.nb.com
63.117.9.140	A	nbddif.com
63.117.9.141	PTR	host141.nb.com
63.117.9.141	A	myneuberger.com
63.117.9.141	A	nbfunds.com
63.117.9.144	PTR	host144.nb.com
63.117.9.144	A	goals-based-investing.com
63.117.9.146	PTR	host146.nb.com
63.117.9.146	A	www.nb605.com
63.117.9.146	A	nb605.com
63.117.9.147	PTR	host147.nb.com
63.117.9.147	A	webredirect-ext.gslb-ext.nb.com
63.117.9.148	PTR	host148.nb.com
63.117.9.148	A	nbgfrif.com
63.117.9.150	PTR	host150.nb.com
63.117.9.150	A	buildingbetterportfolios.com
63.117.9.151	PTR	host151.nb.com
63.117.9.151	A	building-better-portfolios.com
63.117.9.153	A	www.nbprivateequitypartners.com
63.117.9.154	PTR	host154.nb.com
63.117.9.161	PTR	host161.nb.com
63.117.9.161	A	orchardsquare.com
63.117.9.168	A	investmentquarterly.com
63.117.9.181	PTR	host181.nb.com
63.117.9.181	A	globalweb.gslb-ext.nb.com
63.117.9.181	A	nb.com
63.117.9.183	PTR	host183.nb.com
63.117.9.183	A	crossroadsgroup.com
63.117.9.185	PTR	host185.nb.com
63.117.9.185	A	dyalcapital.com
63.117.9.185	A	www-dyalcapital.gslb-ext.nb.com
63.117.9.186	PTR	host186.nb.com
63.117.9.186	A	dyalcapitalpartners.com
63.117.9.187	PTR	host187.nb.com
63.117.9.187	A	glb-2-pi.nb.com
63.117.10.225	A+PTR	authorconnectwebsciences.com