Robtex

Up: 65.171.224.0/22
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Down left: 65.171.224.0/24
Down right: 65.171.225.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.171.224.19	A+PTR	arcachttcon010a.tradearca.com
65.171.224.23	A+PTR	arcachttcon024.tradearca.com
65.171.224.30	PTR	arrhchtt08-ext.tradearca.com
65.171.224.32	A+PTR	arcachttcon015.tradearca.com
65.171.224.32	PTR	arrhchtt15-ext.tradearca.com
65.171.224.37	PTR	arrhchtt01-ext.tradearca.com
65.171.224.43	A+PTR	arfxchfrpt15.tradearca.com
65.171.224.45	PTR	arrhchtt07-ext.tradearca.com
65.171.224.47	A+PTR	arfxchfrpt25.tradearca.com
65.171.224.58	A+PTR	fixsrvcert4.tradearca.com
65.171.224.60	A+PTR	arcachttcon021.tradearca.com
65.171.224.60	PTR	arrhchtt10-ext.tradearca.com
65.171.224.70	PTR	arrhchtt02-ext.tradearca.com
65.171.224.70	A+PTR	ch-cgw-70-ext.tradearca.com
65.171.224.96	A+PTR	aroxchttdr01.tradearca.com
65.171.224.109	A+PTR	arfxchfixhn104.tradearca.com
65.171.224.140	A+PTR	arfxchfsrv011.tradearca.com
65.171.224.142	PTR	arfxchfrpt21old.tradearca.com
65.171.224.182	PTR	ch-book-02.tradearca.com
65.171.224.183	PTR	ch-book-03.tradearca.com
65.171.224.224	A+PTR	arfxchtsv2181.tradearca.com
65.171.224.228	A+PTR	aroxchcert01.tradearca.com
65.171.224.237	A	arwvchcgw02.tradearca.com
65.171.225.12	A+PTR	arfxchtsv1101.tradearca.com
65.171.225.13	A+PTR	arfxchtsv1102.tradearca.com
65.171.225.14	A	arfxchtsv1103.tradearca.com
65.171.225.15	A+PTR	arfxchtsv1104.tradearca.com
65.171.225.16	A	arfxchtsv1105.tradearca.com
65.171.225.20	A	arexchquote02.tradearca.com
65.171.225.21	A	arcaquotetest.tradearca.com
65.171.225.23	A	arfxchtsv1106.tradearca.com
65.171.225.27	A	arcaquotetest01.tradearca.com
65.171.225.28	A	arfxchtsv1107.tradearca.com
65.171.225.29	A	arfxchtsv1010.tradearca.com
65.171.225.32	A	arfxchtsv1006.tradearca.com
65.171.225.34	A+PTR	arfxchtsv1001.tradearca.com
65.171.225.35	A	arfxchtsv1002.tradearca.com
65.171.225.38	A	arfxchoel03.tradearca.com
65.171.225.44	A+PTR	arexchquote06.tradearca.com
65.171.225.45	A+PTR	arexchquote07.tradearca.com
65.171.225.46	A	arexchquote08.tradearca.com
65.171.225.59	A	arfxchorder002.tradearca.com
65.171.225.136	PTR	chmailgw01.tradearca.com
65.171.225.136	A	arcachmgate01.tradearca.com
65.171.225.137	PTR	chmailgw02.tradearca.com
65.171.225.137	A	arcachmgate02.tradearca.com
65.171.225.139	A	executions.tradearca.com
65.171.225.140	A	arcachftp03.tradearca.com
65.171.225.140	A	ftp.tradearca.com
65.171.225.141	PTR	www.tradearca.com
65.171.225.141	A	arca-ex.info
65.171.225.141	A	archipelago.info
65.171.225.142	A	arcaws-vip-aof.tradearca.com
65.171.225.145	A	beta.tradearca.com
65.171.225.152	A+PTR	arcachttalt01.tradearca.com
65.171.225.163	A	arcawebclstrswitch01mgmt.tradearca.com
65.171.225.164	A+PTR	arcawebclstrswitch02mgmt.tradearca.com
65.171.225.165	A	arcachftp04.tradearca.com
65.171.225.167	A+PTR	arcachiweb02.tradearca.com
65.171.225.168	A	achsnd02.tradearca.com
65.171.225.180	PTR	arcachttalt06.tradearca.com
65.171.225.180	A	arcaexetf.org
65.171.225.180	A	arcaexetf.net