Robtex

Up: 162.68.208.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 162.68.208.0/25
Down right: 162.68.208.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
162.68.208.3	PTR	archipelago.com
162.68.208.3	A	www.archipelagoexchange.net
162.68.208.3	A	tradearca.com
162.68.208.4	A	utpdata.com
162.68.208.9	A	arcavision.tradearca.com
162.68.208.9	A	arcavision.com
162.68.208.10	A+PTR	datasvr.archipelago.com
162.68.208.10	A	datasvr.tradearca.com
162.68.208.12	A+PTR	ftp2.archipelago.com
162.68.208.13	A+PTR	cert.arcavision.com
162.68.208.110	A	iws2.nyse.com