Robtex

Up: 63.158.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 63.158.52.0/23
Down right: 63.158.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.158.52.146	A+PTR	63-158-52-146.dia.static.qwest.net
63.158.53.146	A+PTR	63-158-53-146.dia.static.qwest.net
63.158.55.1	A+PTR	63-158-55-1.dia.static.qwest.net
63.158.55.1	PTR	min5-priv-22.inet.qwest.net
63.158.55.6	A+PTR	63-158-55-6.dia.static.qwest.net
63.158.55.10	A+PTR	63-158-55-10.dia.static.qwest.net
63.158.55.11	A+PTR	63-158-55-11.dia.static.qwest.net
63.158.55.12	A+PTR	63-158-55-12.dia.static.qwest.net
63.158.55.13	A+PTR	63-158-55-13.dia.static.qwest.net
63.158.55.13	PTR	min5-priv-21.inet.qwest.net
63.158.55.14	A+PTR	63-158-55-14.dia.static.qwest.net
63.158.55.17	A+PTR	63-158-55-17.dia.static.qwest.net
63.158.55.17	PTR	min5-priv-02.inet.qwest.net
63.158.55.18	A+PTR	63-158-55-18.dia.static.qwest.net
63.158.55.19	A+PTR	63-158-55-19.dia.static.qwest.net
63.158.55.24	A+PTR	63-158-55-24.dia.static.qwest.net
63.158.55.25	A+PTR	63-158-55-25.dia.static.qwest.net
63.158.55.25	PTR	min5-priv-20.inet.qwest.net
63.158.55.26	A+PTR	63-158-55-26.dia.static.qwest.net
63.158.55.27	A+PTR	63-158-55-27.dia.static.qwest.net
63.158.55.33	A+PTR	63-158-55-33.dia.static.qwest.net
63.158.55.33	PTR	min5-priv-02.inet.qwest.net
63.158.55.37	A+PTR	63-158-55-37.dia.static.qwest.net
63.158.55.38	A+PTR	63-158-55-38.dia.static.qwest.net
63.158.55.39	A+PTR	63-158-55-39.dia.static.qwest.net
63.158.55.44	A+PTR	63-158-55-44.dia.static.qwest.net
63.158.55.53	A+PTR	63-158-55-53.dia.static.qwest.net
63.158.55.53	PTR	min5-priv-22.inet.qwest.net
63.158.55.55	A+PTR	63-158-55-55.dia.static.qwest.net
63.158.55.69	A+PTR	63-158-55-69.dia.static.qwest.net
63.158.55.69	PTR	min5-priv-20.inet.qwest.net
63.158.55.70	A+PTR	63-158-55-70.dia.static.qwest.net
63.158.55.79	A+PTR	63-158-55-79.dia.static.qwest.net
63.158.55.80	A+PTR	63-158-55-80.dia.static.qwest.net
63.158.55.86	A+PTR	63-158-55-86.dia.static.qwest.net
63.158.55.89	A+PTR	63-158-55-89.dia.static.qwest.net
63.158.55.100	A+PTR	63-158-55-100.dia.static.qwest.net
63.158.55.106	A+PTR	63-158-55-106.dia.static.qwest.net
63.158.55.110	A+PTR	63-158-55-110.dia.static.qwest.net
63.158.55.116	A+PTR	63-158-55-116.dia.static.qwest.net
63.158.55.117	A+PTR	63-158-55-117.dia.static.qwest.net
63.158.55.117	PTR	min5-priv-14.inet.qwest.net
63.158.55.117	PTR	min2-priv-10.inet.qwest.net
63.158.55.119	A+PTR	63-158-55-119.dia.static.qwest.net
63.158.55.127	A+PTR	63-158-55-127.dia.static.qwest.net
63.158.55.139	A+PTR	63-158-55-139.dia.static.qwest.net
63.158.55.145	A+PTR	63-158-55-145.dia.static.qwest.net
63.158.55.145	PTR	min5-priv-14.inet.qwest.net
63.158.55.145	PTR	min2-priv-10.inet.qwest.net
63.158.55.150	A+PTR	63-158-55-150.dia.static.qwest.net
63.158.55.159	A+PTR	63-158-55-159.dia.static.qwest.net
63.158.55.164	A+PTR	63-158-55-164.dia.static.qwest.net
63.158.55.168	A+PTR	63-158-55-168.dia.static.qwest.net
63.158.55.170	A+PTR	63-158-55-170.dia.static.qwest.net
63.158.55.177	A+PTR	63-158-55-177.dia.static.qwest.net
63.158.55.178	A+PTR	63-158-55-178.dia.static.qwest.net
63.158.55.183	A+PTR	63-158-55-183.dia.static.qwest.net
63.158.55.186	A+PTR	63-158-55-186.dia.static.qwest.net
63.158.55.189	A+PTR	63-158-55-189.dia.static.qwest.net
63.158.55.189	PTR	min5-priv-14.inet.qwest.net
63.158.55.189	PTR	min2-priv-10.inet.qwest.net
63.158.55.191	A+PTR	63-158-55-191.dia.static.qwest.net
63.158.55.192	A+PTR	63-158-55-192.dia.static.qwest.net
63.158.55.193	A+PTR	63-158-55-193.dia.static.qwest.net
63.158.55.196	A+PTR	63-158-55-196.dia.static.qwest.net
63.158.55.198	A+PTR	63-158-55-198.dia.static.qwest.net
63.158.55.200	A+PTR	63-158-55-200.dia.static.qwest.net
63.158.55.202	A+PTR	63-158-55-202.dia.static.qwest.net
63.158.55.210	A+PTR	63-158-55-210.dia.static.qwest.net
63.158.55.213	PTR	min2-priv-10.inet.qwest.net
63.158.55.213	A+PTR	63-158-55-213.dia.static.qwest.net
63.158.55.213	PTR	min5-priv-21.inet.qwest.net
63.158.55.215	A+PTR	63-158-55-215.dia.static.qwest.net
63.158.55.218	A+PTR	63-158-55-218.dia.static.qwest.net
63.158.55.221	A+PTR	63-158-55-221.dia.static.qwest.net
63.158.55.221	PTR	min5-priv-20.inet.qwest.net
63.158.55.222	A+PTR	63-158-55-222.dia.static.qwest.net
63.158.55.230	A+PTR	63-158-55-230.dia.static.qwest.net
63.158.55.234	A+PTR	63-158-55-234.dia.static.qwest.net
63.158.55.241	PTR	63-158-55-241.dia.static.qwest.net
63.158.55.243	A+PTR	63-158-55-243.dia.static.qwest.net
63.158.55.244	A+PTR	63-158-55-244.dia.static.qwest.net
63.158.55.247	A+PTR	63-158-55-247.dia.static.qwest.net
63.158.55.251	A+PTR	63-158-55-251.dia.static.qwest.net
63.158.55.252	A+PTR	63-158-55-252.dia.static.qwest.net