Robtex

Up: 61.20.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 61.20.0.0/22
Down right: 61.20.4.0/22

IP	Type	Hostname
61.20.0.0	A+PTR	61-20-0-0.adsl.fetnet.net
61.20.0.2	A	61-20-0-2.adsl.fetnet.net
61.20.0.76	A	61-20-0-76.adsl.fetnet.net
61.20.1.75	A+PTR	61-20-1-75.adsl.fetnet.net
61.20.1.75	A	40119-40204.geocity.unifieddeliverynetwork.net
61.20.3.255	PTR	61-20-3-255.adsl.fetnet.net
61.20.4.0	PTR	61-20-4-0.adsl.fetnet.net
61.20.7.18	A+PTR	61-20-7-18.adsl.fetnet.net
61.20.7.255	PTR	61-20-7-255.adsl.fetnet.net