Robtex

Up: 206.253.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.253.60.0/23
Down right: 206.253.62.0/23

IP	Type	Hostname
206.253.60.4	PTR	dsl-1-d-e-004.pld.com
206.253.60.6	PTR	dsl-1-d-e-006.pld.com
206.253.60.12	PTR	dsl-1-d-e-012.pld.com
206.253.60.14	A	dsl-1-d-e-014.pld.com
206.253.60.17	PTR	dsl-1-d-e-017.pld.com
206.253.60.21	PTR	dsl-1-d-e-021.pld.com
206.253.60.23	A	dsl-1-d-e-023.pld.com
206.253.60.24	PTR	dsl-1-d-e-024.pld.com
206.253.60.28	PTR	dsl-1-d-e-028.pld.com
206.253.60.35	PTR	dsl-1-d-e-035.pld.com
206.253.60.39	PTR	dsl-1-d-e-039.pld.com
206.253.60.44	PTR	dsl-1-d-e-044.pld.com
206.253.60.52	PTR	dsl-1-d-e-052.pld.com
206.253.60.55	PTR	dsl-1-d-e-055.pld.com
206.253.60.57	PTR	dsl-1-d-e-057.pld.com
206.253.60.58	PTR	dsl-1-d-e-058.pld.com
206.253.60.59	PTR	dsl-1-d-e-059.pld.com
206.253.60.60	PTR	dsl-1-d-e-060.pld.com
206.253.60.61	PTR	dsl-1-d-e-061.pld.com
206.253.60.69	PTR	dsl-1-d-e-069.pld.com
206.253.60.71	PTR	dsl-1-d-e-071.pld.com
206.253.60.76	PTR	dsl-1-d-e-076.pld.com
206.253.60.77	PTR	dsl-1-d-e-077.pld.com
206.253.60.78	PTR	dsl-1-d-e-078.pld.com
206.253.60.83	PTR	dsl-1-d-e-083.pld.com
206.253.60.104	PTR	dsl-1-d-e-104.pld.com
206.253.60.105	PTR	dsl-1-d-e-105.pld.com
206.253.60.109	PTR	dsl-1-d-e-109.pld.com
206.253.60.110	PTR	dsl-1-d-e-110.pld.com
206.253.60.112	PTR	dsl-1-d-e-112.pld.com
206.253.60.120	PTR	dsl-1-d-e-120.pld.com
206.253.60.134	PTR	dsl-1-d-e-134.pld.com
206.253.60.138	PTR	dsl-1-d-e-138.pld.com
206.253.60.139	PTR	dsl-1-d-e-139.pld.com
206.253.60.149	PTR	dsl-1-d-e-149.pld.com
206.253.60.163	PTR	dsl-1-d-e-163.pld.com
206.253.60.168	PTR	dsl-1-d-e-168.pld.com
206.253.60.175	PTR	dsl-1-d-e-175.pld.com
206.253.60.184	PTR	dsl-1-d-e-184.pld.com
206.253.60.187	PTR	dsl-1-d-e-187.pld.com
206.253.60.192	PTR	dsl-1-d-e-192.pld.com
206.253.60.198	PTR	dsl-1-d-e-198.pld.com
206.253.60.217	PTR	dsl-1-d-e-217.pld.com
206.253.60.221	PTR	dsl-1-d-e-221.pld.com
206.253.60.222	PTR	dsl-1-d-e-222.pld.com
206.253.60.225	A+PTR	dsl-1-d-e-225.pld.com
206.253.60.228	PTR	dsl-1-d-e-228.pld.com
206.253.60.234	PTR	dsl-1-d-e-234.pld.com
206.253.60.248	PTR	dsl-1-d-e-248.pld.com
206.253.60.249	PTR	dsl-1-d-e-249.pld.com
206.253.61.127	A+PTR	dsl-2-d-e-127.pld.com
206.253.62.69	A+PTR	dsl-3-d-e-069.pld.com