Robtex

Up: 189.41.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 189.41.16.0/21
Down right: 189.41.24.0/21

IP	Type	Hostname
189.41.16.216	A	189-041-16-216.xd-dynamic.ctbcnetsuper.com.br
189.41.17.131	A+PTR	189-041-17-131.xd-dynamic.ctbcnetsuper.com.br
189.41.18.249	A	189-041-18-249.xd-dynamic.ctbcnetsuper.com.br
189.41.19.101	A	189-041-19-101.xd-dynamic.ctbcnetsuper.com.br
189.41.21.98	PTR	189-041-21-098.xd-dynamic.ctbcnetsuper.com.br
189.41.22.86	A	189-041-22-086.xd-dynamic.ctbcnetsuper.com.br
189.41.23.66	A+PTR	189-041-23-066.xd-dynamic.ctbcnetsuper.com.br
189.41.26.2	PTR	189-041-26-002.xd-dynamic.algartelecom.com.br
189.41.26.48	PTR	189-041-26-048.xd-dynamic.ctbcnetsuper.com.br
189.41.28.120	A	189-041-28-120.xd-dynamic.ctbcnetsuper.com.br
189.41.28.128	PTR	189-041-28-128.xd-dynamic.ctbcnetsuper.com.br
189.41.28.132	A	189-041-28-132.xd-dynamic.ctbcnetsuper.com.br
189.41.28.159	A	189-041-28-159.xd-dynamic.ctbcnetsuper.com.br
189.41.29.2	PTR	189-041-029-2.xd-dynamic.algarnetsuper.com.br
189.41.30.3	PTR	189-041-030-3.xd-dynamic.algarnetsuper.com.br
189.41.31.2	PTR	189-041-31-002.xd-dynamic.algartelecom.com.br
189.41.31.112	PTR	189-041-31-112.xd-dynamic.ctbcnetsuper.com.br