Robtex

Up: 61.59.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 61.59.152.0/22
Down right: 61.59.156.0/22

IP	Type	Hostname
61.59.154.217	PTR	sw59-154-217.adsl.dynamic.seed.net.tw
61.59.158.2	PTR	sw59-158-2.adsl.dynamic.seed.net.tw
61.59.158.9	PTR	sw59-158-9.adsl.dynamic.seed.net.tw
61.59.158.18	PTR	sw59-158-18.adsl.dynamic.seed.net.tw
61.59.158.19	PTR	sw59-158-19.adsl.dynamic.seed.net.tw
61.59.158.25	PTR	sw59-158-25.adsl.dynamic.seed.net.tw
61.59.158.32	PTR	sw59-158-32.adsl.dynamic.seed.net.tw
61.59.158.64	PTR	sw59-158-64.adsl.dynamic.seed.net.tw
61.59.158.73	PTR	sw59-158-73.adsl.dynamic.seed.net.tw
61.59.158.89	PTR	sw59-158-89.adsl.dynamic.seed.net.tw
61.59.158.115	PTR	sw59-158-115.adsl.dynamic.seed.net.tw
61.59.158.122	PTR	sw59-158-122.adsl.dynamic.seed.net.tw
61.59.158.123	PTR	sw59-158-123.adsl.dynamic.seed.net.tw
61.59.158.137	PTR	sw59-158-137.adsl.dynamic.seed.net.tw
61.59.158.153	PTR	sw59-158-153.adsl.dynamic.seed.net.tw
61.59.158.168	PTR	sw59-158-168.adsl.dynamic.seed.net.tw
61.59.158.178	PTR	sw59-158-178.adsl.dynamic.seed.net.tw
61.59.158.195	PTR	sw59-158-195.adsl.dynamic.seed.net.tw
61.59.158.200	PTR	sw59-158-200.adsl.dynamic.seed.net.tw
61.59.158.202	PTR	sw59-158-202.adsl.dynamic.seed.net.tw
61.59.158.203	PTR	sw59-158-203.adsl.dynamic.seed.net.tw
61.59.158.209	PTR	sw59-158-209.adsl.dynamic.seed.net.tw
61.59.158.216	PTR	sw59-158-216.adsl.dynamic.seed.net.tw
61.59.158.218	PTR	sw59-158-218.adsl.dynamic.seed.net.tw
61.59.158.224	PTR	sw59-158-224.adsl.dynamic.seed.net.tw
61.59.158.226	PTR	sw59-158-226.adsl.dynamic.seed.net.tw
61.59.158.243	PTR	sw59-158-243.adsl.dynamic.seed.net.tw
61.59.158.248	PTR	sw59-158-248.adsl.dynamic.seed.net.tw