Robtex

Up: 74.211.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 74.211.140.0/23
Down right: 74.211.142.0/23

IP	Type	Hostname
74.211.140.27	A+PTR	dsl211-140-027.phl1.dsl.speakeasy.net
74.211.140.30	PTR	mybackpack.thehill.org
74.211.140.33	PTR	leroy.thehill.org
74.211.140.34	PTR	clyde.thehill.org
74.211.140.63	A+PTR	dsl211-140-063.phl1.dsl.speakeasy.net
74.211.140.92	A	dsl211-140-092.phl1.dsl.speakeasy.net
74.211.140.104	A	dsl211-140-104.phl1.dsl.speakeasy.net
74.211.140.106	A+PTR	dsl211-140-106.phl1.dsl.speakeasy.net
74.211.140.221	A+PTR	dsl211-140-221.phl1.dsl.speakeasy.net
74.211.141.30	PTR	dsl211-141-030.nyc1.dsl.speakeasy.net
74.211.141.30	A	mantistechnology.com
74.211.143.0	A+PTR	dsl211-143-000.nyc1.dsl.speakeasy.net
74.211.143.26	A+PTR	dsl211-143-026.nyc1.dsl.speakeasy.net
74.211.143.28	A+PTR	dsl211-143-028.nyc1.dsl.speakeasy.net
74.211.143.60	A+PTR	dsl211-143-060.nyc1.dsl.speakeasy.net
74.211.143.60	A	cellcousa.com
74.211.143.62	A+PTR	dsl211-143-062.nyc1.dsl.speakeasy.net
74.211.143.66	A+PTR	dsl211-143-066.nyc1.dsl.speakeasy.net
74.211.143.71	A+PTR	dsl211-143-071.nyc1.dsl.speakeasy.net
74.211.143.75	A+PTR	dsl211-143-075.nyc1.dsl.speakeasy.net
74.211.143.78	A+PTR	dsl211-143-078.nyc1.dsl.speakeasy.net
74.211.143.83	A+PTR	dsl211-143-083.nyc1.dsl.speakeasy.net
74.211.143.85	A+PTR	dsl211-143-085.nyc1.dsl.speakeasy.net
74.211.143.96	A+PTR	dsl211-143-096.nyc1.dsl.speakeasy.net
74.211.143.102	A+PTR	dsl211-143-102.nyc1.dsl.speakeasy.net
74.211.143.113	A+PTR	dsl211-143-113.nyc1.dsl.speakeasy.net
74.211.143.165	A+PTR	dsl211-143-165.nyc1.dsl.speakeasy.net
74.211.143.234	A+PTR	dsl211-143-234.nyc1.dsl.speakeasy.net
74.211.143.235	A+PTR	dsl211-143-235.nyc1.dsl.speakeasy.net