Robtex

Up: 173.244.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.244.88.0/22
Down right: 173.244.92.0/22

IP	Type	Hostname
173.244.88.16	PTR	host-16.88net.centaurus.galaxybroadband.net
173.244.88.43	PTR	host-43.88net.centaurus.galaxybroadband.net
173.244.88.51	PTR	host-51.88net.centaurus.galaxybroadband.net
173.244.88.126	A	host-126.88net.centaurus.galaxybroadband.net
173.244.89.4	A	host-4.89net.centaurus.galaxybroadband.net
173.244.89.5	A	host-5.89net.centaurus.galaxybroadband.net
173.244.89.10	PTR	host-10.89net.centaurus.galaxybroadband.net
173.244.89.57	A+PTR	host-57.89net.centaurus.galaxybroadband.net
173.244.89.111	A	host-111.89net.centaurus.galaxybroadband.net
173.244.89.131	A+PTR	host-131.89net.centaurus.galaxybroadband.net
173.244.89.138	A+PTR	host-138.89net.centaurus.galaxybroadband.net
173.244.89.144	A+PTR	host-144.89net.centaurus.galaxybroadband.net
173.244.89.156	A	host-156.89net.centaurus.galaxybroadband.net
173.244.89.161	PTR	host-161.89net.centaurus.galaxybroadband.net
173.244.89.208	A+PTR	host-208.89net.centaurus.galaxybroadband.net
173.244.89.214	A	host-214.89net.centaurus.galaxybroadband.net
173.244.89.216	A+PTR	host-216.89net.centaurus.galaxybroadband.net
173.244.89.235	A+PTR	host-235.89net.centaurus.galaxybroadband.net
173.244.90.3	PTR	host-3.90net.centaurus.galaxybroadband.net
173.244.90.74	PTR	host-74.90net.centaurus.galaxybroadband.net
173.244.90.194	A	host-194.90net.centaurus.galaxybroadband.net
173.244.91.56	A	host-56.91net.centaurus.galaxybroadband.net
173.244.91.121	PTR	host-121.91net.centaurus.galaxybroadband.net
173.244.91.242	A+PTR	email.huckleberrymines.com
173.244.91.243	A+PTR	host-243.91net.centaurus.galaxybroadband.net
173.244.91.250	PTR	host-250.91net.centaurus.galaxybroadband.net
173.244.92.8	A	host-8.92net.centaurus.galaxybroadband.net
173.244.92.21	A	host-21.92net.centaurus.galaxybroadband.net
173.244.92.27	PTR	host-27.92net.centaurus.galaxybroadband.net
173.244.92.37	A	host-37.92net.centaurus.galaxybroadband.net
173.244.92.60	A	host-60.92net.centaurus.galaxybroadband.net
173.244.92.97	A+PTR	host-97.92net.centaurus.galaxybroadband.net
173.244.92.105	PTR	host-105.92net.centaurus.galaxybroadband.net
173.244.92.158	A	host-158.92net.centaurus.galaxybroadband.net
173.244.92.184	PTR	host-184.92net.centaurus.galaxybroadband.net
173.244.92.204	A	host-204.92net.centaurus.galaxybroadband.net
173.244.93.18	A+PTR	host-18.93net.centaurus.galaxybroadband.net
173.244.93.42	PTR	host-42.93net.centaurus.galaxybroadband.net
173.244.94.18	A	host-18.94net.centaurus.galaxybroadband.net
173.244.94.45	A	host-45.94net.centaurus.galaxybroadband.net
173.244.94.88	A	host-88.94net.centaurus.galaxybroadband.net
173.244.94.186	A	host-186.94net.centaurus.galaxybroadband.net
173.244.95.92	A	host-92.95net.centaurus.galaxybroadband.net
173.244.95.108	A	host-108.95net.centaurus.galaxybroadband.net
173.244.95.124	A	host-124.95net.centaurus.galaxybroadband.net
173.244.95.187	PTR	host-187.95net.centaurus.galaxybroadband.net
173.244.95.211	PTR	host-211.95net.centaurus.galaxybroadband.net
173.244.95.216	PTR	host-216.95net.centaurus.galaxybroadband.net
173.244.95.229	A	host-229.95net.centaurus.galaxybroadband.net