Robtex

Up: 69.29.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 69.29.60.0/23
Down right: 69.29.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.29.60.1	PTR	p1-1-rt-bras.sm.centurytel.net
69.29.60.2	PTR	p1-2-rt-bras.sm.centurytel.net
69.29.60.4	PTR	p1-4-rt-bras.sm.centurytel.net
69.29.60.7	PTR	p1-7-rt-bras.sm.centurytel.net
69.29.60.10	PTR	p1-10-rt-bras.sm.centurytel.net
69.29.60.12	PTR	p1-12-rt-bras.sm.centurytel.net
69.29.60.13	PTR	p1-13-rt-bras.sm.centurytel.net
69.29.60.16	PTR	p1-16-rt-bras.sm.centurytel.net
69.29.60.19	PTR	p1-19-rt-bras.sm.centurytel.net
69.29.60.22	PTR	p1-22-rt-bras.sm.centurytel.net
69.29.60.23	PTR	p1-23-rt-bras.sm.centurytel.net
69.29.60.25	PTR	p1-25-rt-bras.sm.centurytel.net
69.29.60.27	PTR	p1-27-rt-bras.sm.centurytel.net
69.29.60.28	PTR	p1-28-rt-bras.sm.centurytel.net
69.29.60.31	PTR	p1-31-rt-bras.sm.centurytel.net
69.29.60.35	PTR	p1-35-rt-bras.sm.centurytel.net
69.29.60.38	PTR	p1-38-rt-bras.sm.centurytel.net
69.29.60.39	PTR	p1-39-rt-bras.sm.centurytel.net
69.29.60.40	PTR	p1-40-rt-bras.sm.centurytel.net
69.29.60.41	PTR	p1-41-rt-bras.sm.centurytel.net
69.29.60.42	PTR	p1-42-rt-bras.sm.centurytel.net
69.29.60.53	PTR	mail.bankoffairport.com
69.29.60.56	PTR	p1-56-rt-bras.sm.centurytel.net
69.29.60.60	PTR	p1-60-rt-bras.sm.centurytel.net
69.29.60.61	PTR	p1-61-rt-bras.sm.centurytel.net
69.29.60.70	PTR	p1-70-rt-bras.sm.centurytel.net
69.29.60.71	PTR	p1-71-rt-bras.sm.centurytel.net
69.29.60.78	PTR	p1-78-rt-bras.sm.centurytel.net
69.29.60.87	PTR	p1-87-rt-bras.sm.centurytel.net
69.29.60.88	PTR	p1-88-rt-bras.sm.centurytel.net
69.29.60.96	PTR	p1-96-rt-bras.sm.centurytel.net
69.29.60.97	PTR	mail.oatstransit.org
69.29.60.98	PTR	p1-98-rt-bras.sm.centurytel.net
69.29.60.100	PTR	p1-100-rt-bras.sm.centurytel.net
69.29.60.103	PTR	p1-103-rt-bras.sm.centurytel.net
69.29.60.106	PTR	p1-106-rt-bras.sm.centurytel.net
69.29.60.112	PTR	p1-112-rt-bras.sm.centurytel.net
69.29.60.113	PTR	mail.cotr.org
69.29.60.113	A	mailbackup.cotr.org
69.29.60.113	A	mail.davidblunt.org
69.29.60.115	PTR	p1-115-rt-bras.sm.centurytel.net
69.29.60.120	PTR	p1-120-rt-bras.sm.centurytel.net
69.29.60.127	PTR	p1-127-rt-bras.sm.centurytel.net
69.29.60.128	PTR	p1-128-rt-bras.sm.centurytel.net
69.29.60.129	PTR	p1-129-rt-bras.sm.centurytel.net
69.29.60.130	PTR	p1-130-rt-bras.sm.centurytel.net
69.29.60.132	PTR	p1-132-rt-bras.sm.centurytel.net
69.29.60.133	PTR	p1-133-rt-bras.sm.centurytel.net
69.29.60.144	PTR	p1-144-rt-bras.sm.centurytel.net
69.29.60.151	PTR	p1-151-rt-bras.sm.centurytel.net
69.29.60.156	PTR	p1-156-rt-bras.sm.centurytel.net
69.29.60.166	PTR	p1-166-rt-bras.sm.centurytel.net
69.29.60.171	PTR	p1-171-rt-bras.sm.centurytel.net
69.29.60.173	PTR	p1-173-rt-bras.sm.centurytel.net
69.29.60.184	PTR	p1-184-rt-bras.sm.centurytel.net
69.29.60.192	PTR	p1-192-rt-bras.sm.centurytel.net
69.29.60.194	PTR	p1-194-rt-bras.sm.centurytel.net
69.29.60.200	PTR	p1-200-rt-bras.sm.centurytel.net
69.29.60.210	PTR	p1-210-rt-bras.sm.centurytel.net
69.29.60.211	PTR	p1-211-rt-bras.sm.centurytel.net
69.29.60.220	PTR	p1-220-rt-bras.sm.centurytel.net
69.29.60.226	PTR	p1-226-rt-bras.sm.centurytel.net
69.29.60.234	PTR	p1-234-rt-bras.sm.centurytel.net
69.29.60.235	PTR	p1-235-rt-bras.sm.centurytel.net
69.29.60.236	PTR	p1-236-rt-bras.sm.centurytel.net
69.29.60.244	PTR	p1-244-rt-bras.sm.centurytel.net
69.29.60.245	PTR	p1-245-rt-bras.sm.centurytel.net
69.29.60.247	PTR	p1-247-rt-bras.sm.centurytel.net
69.29.60.248	PTR	p1-248-rt-bras.sm.centurytel.net
69.29.60.252	PTR	p1-252-rt-bras.sm.centurytel.net
69.29.61.2	PTR	p2-2-rt-bras.sm.centurytel.net
69.29.61.18	PTR	p2-18-rt-bras.sm.centurytel.net
69.29.61.26	PTR	p2-26-rt-bras.sm.centurytel.net
69.29.61.30	PTR	p2-30-rt-bras.sm.centurytel.net
69.29.61.33	PTR	p2-33-rt-bras.sm.centurytel.net
69.29.61.45	PTR	p2-45-rt-bras.sm.centurytel.net
69.29.61.62	PTR	p2-62-rt-bras.sm.centurytel.net
69.29.61.79	PTR	p2-79-rt-bras.sm.centurytel.net
69.29.61.80	PTR	p2-80-rt-bras.sm.centurytel.net
69.29.61.90	PTR	p2-90-rt-bras.sm.centurytel.net
69.29.61.94	PTR	p2-94-rt-bras.sm.centurytel.net
69.29.61.120	PTR	p2-120-rt-bras.sm.centurytel.net
69.29.61.123	PTR	p2-123-rt-bras.sm.centurytel.net
69.29.61.139	PTR	p2-139-rt-bras.sm.centurytel.net
69.29.61.150	PTR	p2-150-rt-bras.sm.centurytel.net
69.29.61.174	PTR	p2-174-rt-bras.sm.centurytel.net
69.29.61.204	PTR	p2-204-rt-bras.sm.centurytel.net
69.29.61.219	PTR	p2-219-rt-bras.sm.centurytel.net
69.29.61.222	PTR	p2-222-rt-bras.sm.centurytel.net
69.29.61.235	PTR	p2-235-rt-bras.sm.centurytel.net
69.29.63.1	PTR	s1-1-rt-bras.sm.centurytel.net
69.29.63.13	PTR	s1-13-rt-bras.sm.centurytel.net
69.29.63.28	PTR	s1-28-rt-bras.sm.centurytel.net
69.29.63.39	PTR	s1-39-rt-bras.sm.centurytel.net
69.29.63.41	PTR	s1-41-rt-bras.sm.centurytel.net
69.29.63.61	PTR	s1-61-rt-bras.sm.centurytel.net
69.29.63.76	PTR	s1-76-rt-bras.sm.centurytel.net
69.29.63.93	PTR	s1-93-rt-bras.sm.centurytel.net
69.29.63.105	PTR	s1-105-rt-bras.sm.centurytel.net
69.29.63.108	PTR	s1-108-rt-bras.sm.centurytel.net
69.29.63.123	PTR	s1-123-rt-bras.sm.centurytel.net
69.29.63.133	PTR	s1-133-rt-bras.sm.centurytel.net
69.29.63.145	PTR	s1-145-rt-bras.sm.centurytel.net
69.29.63.146	PTR	s1-146-rt-bras.sm.centurytel.net
69.29.63.156	PTR	s1-156-rt-bras.sm.centurytel.net
69.29.63.162	PTR	s1-162-rt-bras.sm.centurytel.net
69.29.63.174	PTR	s1-174-rt-bras.sm.centurytel.net
69.29.63.177	PTR	s1-177-rt-bras.sm.centurytel.net
69.29.63.207	PTR	s1-207-rt-bras.sm.centurytel.net
69.29.63.214	PTR	s1-214-rt-bras.sm.centurytel.net
69.29.63.247	PTR	s1-247-rt-bras.sm.centurytel.net
69.29.63.249	PTR	s1-249-rt-bras.sm.centurytel.net