Robtex

Up: 199.255.122.0/23
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Down left: 199.255.122.0/25
Down right: 199.255.122.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.255.122.2	PTR	vlan-310.sjc01-c01-vsw01.ringcentral.com
199.255.122.30	PTR	ringcentral.com
199.255.122.30	PTR	1-800-numbers.ringcentral.com
199.255.122.30	PTR	800-number.ringcentral.com
199.255.122.31	A	extremefax.com
199.255.122.35	PTR	api.ringcentral.com
199.255.122.38	A+PTR	affiliate.ringcentral.com
199.255.122.38	PTR	affiliates.ringcentral.com
199.255.122.38	A+PTR	origin101-test.ringcentral.com
199.255.122.42	A+PTR	sjc01rel02.ringcentral.com
199.255.122.43	A+PTR	sjc01rel03.ringcentral.com
199.255.122.44	A+PTR	sjc01rel04.ringcentral.com
199.255.122.68	PTR	cloudfax.ringcentral.com
199.255.122.68	PTR	faxout.ringcentral.com
199.255.122.68	A	analytics.ringcentral.com
199.255.122.78	A	sp-download.ringcentral.com
199.255.122.78	A	crr.ringcentral.com
199.255.122.100	A	ftp.ringcentral.com
199.255.122.103	A	service-officeathand.att.com
199.255.122.103	A	ws03a.ringcentral.com
199.255.122.105	PTR	support.ringcentral.com
199.255.122.105	A+PTR	tracking.ringcentral.com
199.255.122.132	PTR	e1-1.sjc01-c01-fwl01.ringcentral.com
199.255.122.148	A	sjc01-z01-zwc01.ringcentral.com
199.255.122.151	A+PTR	sjc01-z01-zmr51.ringcentral.com
199.255.122.163	A	sjc01-z01-zwc02.ringcentral.com
199.255.122.188	A	sjc01-z01-zmr27.ringcentral.com
199.255.122.195	A	sjc01-z01-zmr31.ringcentral.com
199.255.122.196	A	sjc01-z01-zmr33.ringcentral.com
199.255.122.198	A	sjc01-z01-zmr35.ringcentral.com
199.255.122.207	A	sjc01-z01-zmr37.ringcentral.com
199.255.122.212	A	sjc01-z01-zmr41.ringcentral.com
199.255.122.215	A+PTR	sjc01-z01-zmr66.ringcentral.com
199.255.122.218	A	sjc01-z01-zmr47.ringcentral.com
199.255.122.221	A	ntp1.ringcentral.com
199.255.122.222	A	ntp1.ringcentral.com
199.255.122.228	A+PTR	sjc01-z01-zmr09.ringcentral.com
199.255.122.241	A+PTR	sjc01-z01-zmr93-1.ringcentral.com
199.255.122.245	A	sjc01-z01-zmr05.ringcentral.com
199.255.122.246	A+PTR	sjc01-z01-zmr96-1.ringcentral.com
199.255.122.249	A	sjc01-z01-zmc01.ringcentral.com
199.255.122.250	A	sjc01-z01-zmc02.ringcentral.com
199.255.122.251	A+PTR	sjc01-z01-zmr22.ringcentral.com
199.255.122.253	A+PTR	e1-1.sjc01-c01-fwl01.ringcentral.com