Robtex

Up: 170.133.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 170.133.144.0/21
Down right: 170.133.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.133.150.132	A	linus1.cmr-aiadm-b-1.prod.infra.webex.com
170.133.150.132	A	linus6.cmr-aiadm-b-1.prod.infra.webex.com
170.133.150.132	A	linus22.cmr-aiadm-b-1.prod.infra.webex.com
170.133.150.167	A	linus3.cmr-aiadm-b-1.prod.infra.webex.com
170.133.150.167	A	linus12.cmr-aiadm-b-1.prod.infra.webex.com
170.133.150.167	A	linus28.cmr-aiadm-b-1.prod.infra.webex.com
170.133.152.12	A+PTR	msj8mcs230.webex.com
170.133.152.13	A+PTR	msj8mcs231.webex.com
170.133.152.14	A+PTR	msj8mcs232.webex.com
170.133.152.15	A+PTR	msj8mcs233.webex.com
170.133.152.16	A+PTR	msj8mcs234.webex.com
170.133.152.17	A+PTR	msj8mcs235.webex.com
170.133.152.18	A+PTR	msj8mcs236.webex.com
170.133.152.19	A+PTR	msj8mcs237.webex.com
170.133.152.32	A+PTR	msj8mcs250.webex.com
170.133.152.33	A+PTR	msj8mcs251.webex.com
170.133.152.34	A+PTR	msj8mcs252.webex.com
170.133.152.35	A+PTR	msj8mcs253.webex.com
170.133.152.48	A+PTR	msj8mcs266.webex.com
170.133.152.49	A+PTR	msj8mcs267.webex.com
170.133.152.50	A+PTR	msj8mcs268.webex.com
170.133.152.51	A+PTR	msj8mcs269.webex.com
170.133.152.69	A+PTR	msj7mcs256.webex.com
170.133.152.71	A+PTR	msj7mcs258.webex.com
170.133.152.72	A+PTR	msj7mcs259.webex.com
170.133.152.75	PTR	msj7mcs248.webex.com
170.133.152.76	A	msj7mcs249.webex.com
170.133.152.81	A+PTR	msj7mcs254.webex.com
170.133.152.128	A+PTR	msj4mcs230.webex.com
170.133.152.129	A+PTR	msj4mcs231.webex.com
170.133.152.130	A+PTR	msj4mcs232.webex.com
170.133.152.131	A+PTR	msj4mcs233.webex.com
170.133.152.144	A+PTR	msj4mcs243.webex.com
170.133.152.145	A+PTR	msj4mcs250.webex.com
170.133.152.146	A+PTR	msj4mcs244.webex.com
170.133.152.147	A+PTR	msj4mcs251.webex.com
170.133.152.160	A+PTR	msj4mcs262.webex.com
170.133.152.161	A+PTR	msj4mcs263.webex.com
170.133.152.162	A+PTR	msj4mcs264.webex.com
170.133.152.166	A+PTR	msj4mcs292.webex.com
170.133.152.183	A+PTR	msj2mcs306.webex.com
170.133.152.185	A+PTR	msj4mcs278.webex.com
170.133.152.186	A+PTR	msj4mcs279.webex.com
170.133.152.187	A+PTR	msj4mcs280.webex.com
170.133.152.192	A+PTR	msj4mcs285.webex.com
170.133.152.193	A+PTR	msj4mcs286.webex.com
170.133.152.194	A+PTR	msj4mcs287.webex.com
170.133.152.195	A+PTR	msj4mcs288.webex.com
170.133.153.13	A+PTR	msj14mcs166.webex.com
170.133.153.21	PTR	msj14mcs176.webex.com
170.133.153.180	PTR	msj14mcs307.webex.com