Robtex

Up: 87.74.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 87.74.32.0/22
Down right: 87.74.36.0/22

IP	Type	Hostname
87.74.32.17	PTR	host-87-74-17-32.dslgb.com
87.74.32.17	A	host-87-74-32-17.dslgb.com
87.74.32.36	A	host-87-74-32-36.dslgb.com
87.74.32.62	A	host-87-74-32-62.dslgb.com
87.74.33.16	A	host-87-74-33-16.dslgb.com
87.74.33.48	A	host-87-74-33-48.dslgb.com
87.74.33.62	A	host-87-74-33-62.dslgb.com
87.74.33.171	A	host-87-74-33-171.dslgb.com
87.74.34.16	A	host-87-74-34-16.dslgb.com
87.74.34.76	A	host-87-74-34-76.dslgb.com
87.74.34.242	A	host-87-74-34-242.dslgb.com
87.74.35.2	A+PTR	host-87-74-35-2.dslgb.com
87.74.35.13	A	host-87-74-35-13.dslgb.com
87.74.35.82	A	host-87-74-35-82.dslgb.com
87.74.36.2	A+PTR	host-87-74-36-2.dslgb.com
87.74.36.75	A	host-87-74-36-75.dslgb.com
87.74.36.79	A	host-87-74-36-79.dslgb.com
87.74.36.132	A	host-87-74-36-132.dslgb.com
87.74.37.2	A+PTR	host-87-74-37-2.dslgb.com
87.74.38.0	A	host-87-74-38-0.dslgb.com
87.74.38.2	A	host-87-74-38-2.dslgb.com
87.74.38.106	A	host-87-74-38-106.dslgb.com
87.74.38.161	A	host-87-74-38-161.dslgb.com
87.74.39.0	A	host-87-74-39-0.dslgb.com
87.74.39.2	A	host-87-74-39-2.dslgb.com
87.74.39.19	A	host-87-74-39-19.dslgb.com