Robtex

Up: 64.69.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.69.0.0/21
Down right: 64.69.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.69.0.1	PTR	lb-router.estara.com
64.69.0.148	A	seattle-atg-rtr-1.atgsvcs.com
64.69.0.149	A	seattle-atg-rtr-2.atgsvcs.com
64.69.0.150	A	seattle-atg-rtr-vip.atgsvcs.com
64.69.0.181	PTR	ids-atg-sea-m-ns2.atgmgmt.com
64.69.1.135	A	dns1.atg.com
64.69.2.133	A	webmail-cmb.atg.com
64.69.3.116	PTR	anycast-as00.estara.com
64.69.3.116	A+PTR	anycast-ns.estara.com
64.69.3.116	A	ns.estara.com
64.69.3.121	PTR	anycast-ct00.estara.com
64.69.3.124	A	anycast-webcare.estara.com
64.69.4.141	A	helpdesk.atg.com
64.69.4.142	A	nagios.atg.com
64.69.6.1	A+PTR	t-router.estara.com
64.69.6.2	PTR	t-gw7.estara.com
64.69.6.5	PTR	t-gw1.estara.com
64.69.6.6	A	t-install.estara.com
64.69.6.7	A	t-docconverter.estara.com
64.69.6.11	A	t-wr1-g0.estara.com
64.69.6.16	A+PTR	t-19.estara.com
64.69.6.17	A+PTR	t-1901.estara.com
64.69.6.18	A+PTR	t-1902.estara.com
64.69.6.19	A+PTR	t-1903.estara.com
64.69.6.32	A+PTR	t-602.estara.com
64.69.6.33	A+PTR	t-603.estara.com
64.69.6.34	A+PTR	t-7.estara.com
64.69.6.35	A+PTR	t-701.estara.com
64.69.6.48	A+PTR	t-1002.estara.com
64.69.6.49	A+PTR	t-1003.estara.com
64.69.6.50	A+PTR	t-lb2.estara.com
64.69.6.51	A+PTR	t-22.estara.com
64.69.6.64	A+PTR	t-2003.estara.com
64.69.6.66	A+PTR	t-2.estara.com
64.69.6.67	A+PTR	t-3.estara.com
64.69.6.68	A	t-4.estara.com
64.69.6.80	A+PTR	t-302.estara.com
64.69.6.81	A+PTR	t-303.estara.com
64.69.6.84	A	t-db14.estara.com
64.69.6.85	A	t-lb1.estara.com
64.69.6.96	A+PTR	t-1501.estara.com
64.69.6.97	A+PTR	t-1502.estara.com
64.69.6.98	A+PTR	t-1503.estara.com
64.69.6.99	A+PTR	t-2102.estara.com
64.69.6.112	A+PTR	t-1802.estara.com
64.69.6.113	A+PTR	t-1803.estara.com
64.69.6.114	A+PTR	t-2201.estara.com
64.69.6.115	A+PTR	t-2202.estara.com
64.69.6.116	A	surveyp.estara.com
64.69.6.129	A+PTR	t-23.estara.com
64.69.6.130	A+PTR	t-2301.estara.com
64.69.6.131	A+PTR	t-2302.estara.com
64.69.6.132	A	t-2303.estara.com
64.69.6.144	A+PTR	t-2603.estara.com
64.69.6.145	A+PTR	t-27.estara.com
64.69.6.146	A+PTR	t-2701.estara.com
64.69.6.147	A+PTR	t-2702.estara.com
64.69.6.160	A+PTR	t-3003.estara.com
64.69.6.161	A+PTR	t-31.estara.com
64.69.6.162	A+PTR	t-3101.estara.com
64.69.6.163	A+PTR	t-3102.estara.com
64.69.6.176	A+PTR	t-3403.estara.com
64.69.6.177	A+PTR	t-35.estara.com
64.69.6.178	A+PTR	t-3501.estara.com
64.69.6.179	A+PTR	t-3502.estara.com
64.69.6.192	A+PTR	t-3803.estara.com
64.69.6.193	A+PTR	t-39.estara.com
64.69.6.194	A+PTR	t-3901.estara.com
64.69.6.195	A+PTR	t-3902.estara.com
64.69.6.208	A+PTR	t-4103.estara.com
64.69.6.209	A+PTR	t-42.estara.com
64.69.6.210	A+PTR	t-4201.estara.com
64.69.6.211	A+PTR	t-4202.estara.com
64.69.6.224	A+PTR	t-4503.estara.com
64.69.6.225	A+PTR	t-46.estara.com
64.69.6.226	A+PTR	t-4601.estara.com
64.69.6.227	A+PTR	t-4602.estara.com
64.69.6.241	PTR	t-sbc1-eth1.estara.com
64.69.6.242	PTR	t-sbc2-eth1.estara.com
64.69.6.246	A	t-49.estara.com
64.69.6.247	A	t-4901.estara.com
64.69.6.248	A	t-4902.estara.com
64.69.6.249	A	t-4903.estara.com
64.69.7.17	A+PTR	t-52.estara.com
64.69.7.31	A+PTR	t-5601.estara.com
64.69.7.32	A+PTR	t-5602.estara.com
64.69.7.33	A+PTR	t-5603.estara.com
64.69.7.35	A+PTR	t-5701.estara.com
64.69.7.36	A+PTR	t-5702.estara.com
64.69.7.52	A+PTR	t-5401.estara.com
64.69.7.53	A+PTR	t-5402.estara.com
64.69.7.54	A+PTR	t-5403.estara.com
64.69.7.55	A+PTR	t-5501.estara.com
64.69.7.73	A+PTR	t-5101.estara.com
64.69.7.74	A+PTR	t-5102.estara.com
64.69.7.75	A+PTR	t-5103.estara.com
64.69.7.76	A+PTR	t-5201.estara.com
64.69.7.80	A+PTR	t-5302.estara.com
64.69.7.81	A+PTR	t-5303.estara.com
64.69.7.111	A+PTR	t-51.estara.com
64.69.7.114	A+PTR	t-55.estara.com
64.69.7.126	A+PTR	t-54.estara.com
64.69.7.130	A+PTR	t-56.estara.com
64.69.7.134	A+PTR	t-57.estara.com
64.69.8.22	A	voicecenter.com
64.69.8.22	A	estara.org
64.69.8.22	A	estara.net
64.69.8.59	A	estara.com
64.69.8.165	A	cmb1-nip1.atg.com
64.69.9.25	A	mail.atgdemos.com
64.69.11.11	A	dns2.atg.com
64.69.11.150	A	cmb1-pps1.atg.com
64.69.12.1	PTR	c-br-hsrp-12.estara.com
64.69.12.1	A	c-router.estara.com
64.69.12.6	A	c-install.estara.com
64.69.12.7	A	c-build.estara.com
64.69.12.7	A	c-docconverter.estara.com
64.69.12.16	A	c-19.estara.com
64.69.12.17	A	c-1901.estara.com
64.69.12.18	A	c-1902.estara.com
64.69.12.19	A	c-1903.estara.com
64.69.12.32	A	c-602.estara.com
64.69.12.33	A+PTR	c-603.estara.com
64.69.12.34	A+PTR	c-7.estara.com
64.69.12.35	A+PTR	c-701.estara.com
64.69.12.48	A	c-1002.estara.com
64.69.12.49	A	c-1003.estara.com
64.69.12.50	A	c-lb2.estara.com
64.69.12.51	A	c-22.estara.com
64.69.12.64	A	c-2003.estara.com
64.69.12.65	A+PTR	c-1.estara.com
64.69.12.65	A	p-1.estara.com
64.69.12.65	A	ns11.estara.com
64.69.12.66	PTR	c-2.estara.com
64.69.12.67	PTR	c-3.estara.com
64.69.12.80	A	c-302.estara.com
64.69.12.81	A	c-303.estara.com
64.69.12.84	A	c-db5.estara.com
64.69.12.85	A	c-lb1.estara.com
64.69.12.96	A	c-1501.estara.com
64.69.12.97	A	c-1502.estara.com
64.69.12.98	A	c-1503.estara.com
64.69.12.99	A	c-2102.estara.com
64.69.12.112	A	c-1802.estara.com
64.69.12.113	A	c-1803.estara.com
64.69.12.114	A	c-2201.estara.com
64.69.12.115	A	c-2202.estara.com
64.69.12.129	A+PTR	c-23.estara.com
64.69.12.130	A	c-2301.estara.com
64.69.12.131	A	c-2302.estara.com
64.69.12.132	A	c-2303.estara.com
64.69.12.161	A+PTR	c-31.estara.com
64.69.12.162	A	c-3101.estara.com
64.69.12.163	A	c-3102.estara.com
64.69.12.164	A	c-3103.estara.com
64.69.12.176	A	c-3403.estara.com
64.69.12.177	A	c-35.estara.com
64.69.12.178	A	c-3501.estara.com
64.69.12.179	A	c-3502.estara.com
64.69.12.192	A	c-3803.estara.com
64.69.12.193	A	c-39.estara.com
64.69.12.194	A	c-3901.estara.com
64.69.12.195	A	c-3902.estara.com
64.69.12.230	A	c-4701.estara.com
64.69.13.3	A	c-br4-gi0-13.estara.com
64.69.13.6	A	m-install.estara.com
64.69.13.32	PTR	c-5602.estara.com
64.69.13.62	A	c-53.estara.com
64.69.13.104	A	c-6602.estara.com
64.69.13.116	A	ns.estara.com
64.69.13.116	A	c-as00.estara.com
64.69.13.116	A	dns-vip-13.estara.com
64.69.13.130	A+PTR	c-56.estara.com
64.69.13.153	A	c-79.estara.com
64.69.13.163	A	c-8102.estara.com
64.69.13.203	A	c-wincare.estara.com
64.69.13.204	A	c-wincare-teflon.estara.com
64.69.13.243	A	c-sbc-sip1-vx1.estara.com
64.69.14.1	A+PTR	s-router.estara.com
64.69.14.17	A+PTR	s-1901.estara.com
64.69.14.31	A	s-601.estara.com
64.69.14.34	A+PTR	s-7.estara.com
64.69.14.45	A	s-903.estara.com
64.69.14.48	A+PTR	s-1002.estara.com
64.69.14.65	A+PTR	s-1.estara.com
64.69.14.65	A	ns03.estara.com
64.69.14.65	A	ns09.estara.com
64.69.14.66	PTR	s-2.estara.com
64.69.14.66	A	ns10.estara.com
64.69.14.116	A	surveyp.estara.com
64.69.14.116	A	dns-vip-14.estara.com
64.69.14.116	A	ns15.estara.com
64.69.14.174	A	s-3401.estara.com
64.69.14.188	A	s-3703.estara.com
64.69.14.203	A	s-wincare.estara.com
64.69.14.205	A	s-41.estara.com
64.69.14.208	A	s-4103.estara.com
64.69.14.221	A	s-45.estara.com
64.69.14.224	A+PTR	s-4503.estara.com
64.69.15.19	A+PTR	s-6903.estara.com
64.69.15.28	A	s-6303.estara.com
64.69.15.66	A	s-6901.estara.com
64.69.15.104	A	s-6602.estara.com
64.69.15.196	A	s-7102.estara.com
64.69.15.242	A	s-sbc4-e1.estara.com