Robtex

Up: 203.73.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.73.104.0/22
Down right: 203.73.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.73.105.1	A+PTR	203-73-105-1.adsl.dynamic.seed.net.tw
203.73.105.6	A	203-73-105-6.adsl.dynamic.seed.net.tw
203.73.105.7	A	203-73-105-7.adsl.dynamic.seed.net.tw
203.73.105.10	A+PTR	203-73-105-10.adsl.dynamic.seed.net.tw
203.73.105.11	A+PTR	203-73-105-11.adsl.dynamic.seed.net.tw
203.73.105.13	A	203-73-105-13.adsl.dynamic.seed.net.tw
203.73.105.14	A	203-73-105-14.adsl.dynamic.seed.net.tw
203.73.105.17	A+PTR	203-73-105-17.adsl.dynamic.seed.net.tw
203.73.105.17	A	wer.asuscomm.com
203.73.105.19	A+PTR	203-73-105-19.adsl.dynamic.seed.net.tw
203.73.105.22	A	203-73-105-22.adsl.dynamic.seed.net.tw
203.73.105.24	A+PTR	203-73-105-24.adsl.dynamic.seed.net.tw
203.73.105.25	A+PTR	203-73-105-25.adsl.dynamic.seed.net.tw
203.73.105.26	A+PTR	203-73-105-26.adsl.dynamic.seed.net.tw
203.73.105.35	A+PTR	203-73-105-35.adsl.dynamic.seed.net.tw
203.73.105.37	A	203-73-105-37.adsl.dynamic.seed.net.tw
203.73.105.41	A+PTR	203-73-105-41.adsl.dynamic.seed.net.tw
203.73.105.47	A	203-73-105-47.adsl.dynamic.seed.net.tw
203.73.105.48	A+PTR	203-73-105-48.adsl.dynamic.seed.net.tw
203.73.105.52	A	203-73-105-52.adsl.dynamic.seed.net.tw
203.73.105.53	A	203-73-105-53.adsl.dynamic.seed.net.tw
203.73.105.65	A+PTR	203-73-105-65.adsl.dynamic.seed.net.tw
203.73.105.87	A	203-73-105-87.adsl.dynamic.seed.net.tw
203.73.105.96	A+PTR	203-73-105-96.adsl.dynamic.seed.net.tw
203.73.105.97	A+PTR	203-73-105-97.adsl.dynamic.seed.net.tw
203.73.105.101	A	203-73-105-101.adsl.dynamic.seed.net.tw
203.73.105.102	A	203-73-105-102.adsl.dynamic.seed.net.tw
203.73.105.105	A+PTR	203-73-105-105.adsl.dynamic.seed.net.tw
203.73.105.107	A+PTR	203-73-105-107.adsl.dynamic.seed.net.tw
203.73.105.109	A	203-73-105-109.adsl.dynamic.seed.net.tw
203.73.105.117	A	203-73-105-117.adsl.dynamic.seed.net.tw
203.73.105.118	A	203-73-105-118.adsl.dynamic.seed.net.tw
203.73.105.119	A	203-73-105-119.adsl.dynamic.seed.net.tw
203.73.105.127	A	203-73-105-127.adsl.dynamic.seed.net.tw
203.73.105.129	A+PTR	203-73-105-129.adsl.dynamic.seed.net.tw
203.73.105.131	A+PTR	203-73-105-131.adsl.dynamic.seed.net.tw
203.73.105.138	A+PTR	203-73-105-138.adsl.dynamic.seed.net.tw
203.73.105.140	A	203-73-105-140.adsl.dynamic.seed.net.tw
203.73.105.148	A	203-73-105-148.adsl.dynamic.seed.net.tw
203.73.105.151	A	203-73-105-151.adsl.dynamic.seed.net.tw
203.73.105.154	A+PTR	203-73-105-154.adsl.dynamic.seed.net.tw
203.73.105.156	A	203-73-105-156.adsl.dynamic.seed.net.tw
203.73.105.166	A	203-73-105-166.adsl.dynamic.seed.net.tw
203.73.105.171	A+PTR	203-73-105-171.adsl.dynamic.seed.net.tw
203.73.105.174	A	203-73-105-174.adsl.dynamic.seed.net.tw
203.73.105.175	A	203-73-105-175.adsl.dynamic.seed.net.tw
203.73.105.176	A+PTR	203-73-105-176.adsl.dynamic.seed.net.tw
203.73.105.178	A+PTR	203-73-105-178.adsl.dynamic.seed.net.tw
203.73.105.179	A+PTR	203-73-105-179.adsl.dynamic.seed.net.tw
203.73.105.188	A	203-73-105-188.adsl.dynamic.seed.net.tw
203.73.105.196	A	203-73-105-196.adsl.dynamic.seed.net.tw
203.73.105.200	A+PTR	203-73-105-200.adsl.dynamic.seed.net.tw
203.73.105.201	A+PTR	203-73-105-201.adsl.dynamic.seed.net.tw
203.73.105.208	A+PTR	203-73-105-208.adsl.dynamic.seed.net.tw
203.73.105.210	A+PTR	203-73-105-210.adsl.dynamic.seed.net.tw
203.73.105.211	A+PTR	203-73-105-211.adsl.dynamic.seed.net.tw
203.73.105.215	A	203-73-105-215.adsl.dynamic.seed.net.tw
203.73.105.219	A+PTR	203-73-105-219.adsl.dynamic.seed.net.tw
203.73.105.226	A+PTR	203-73-105-226.adsl.dynamic.seed.net.tw
203.73.105.230	A	203-73-105-230.adsl.dynamic.seed.net.tw
203.73.105.231	A	203-73-105-231.adsl.dynamic.seed.net.tw
203.73.105.235	A+PTR	203-73-105-235.adsl.dynamic.seed.net.tw
203.73.105.236	A	203-73-105-236.adsl.dynamic.seed.net.tw
203.73.105.240	A+PTR	203-73-105-240.adsl.dynamic.seed.net.tw
203.73.105.243	A+PTR	203-73-105-243.adsl.dynamic.seed.net.tw
203.73.105.244	A	203-73-105-244.adsl.dynamic.seed.net.tw
203.73.105.245	A	203-73-105-245.adsl.dynamic.seed.net.tw
203.73.105.248	PTR	203-73-105-248.adsl.dynamic.seed.net.tw
203.73.105.253	A	203-73-105-253.adsl.dynamic.seed.net.tw
203.73.105.255	A	203-73-105-255.adsl.dynamic.seed.net.tw
203.73.106.201	A	3myes.com
203.73.106.226	A	fengsui.myqnapcloud.com
203.73.107.76	PTR	203-73-107-76.dialup.dynamic.seed.net.tw
203.73.107.138	A+PTR	203-73-107-138.dialup.dynamic.seed.net.tw
203.73.107.158	A	203-73-107-158.dialup.dynamic.seed.net.tw
203.73.108.4	A	smtp.hartford.com.tw
203.73.108.5	A	smtp2.hartford.com.tw
203.73.108.12	PTR	h12-203-73-108.seed.net.tw
203.73.108.12	A	dns1.hartford.com.tw
203.73.108.12	A	dns1.hartfordusa.com
203.73.110.8	PTR	h8-203-73-110.seed.net.tw
203.73.110.8	A	www.sanyi.org.tw
203.73.110.8	A	www.m-cloud.idv.tw
203.73.110.10	PTR	h10-203-73-110.seed.net.tw
203.73.110.34	PTR	h34-203-73-110.seed.net.tw
203.73.110.34	A	dns1.swallowdairy.com
203.73.110.34	A	dns1.dadon.com.tw
203.73.110.35	PTR	h35-203-73-110.seed.net.tw
203.73.110.42	A	noodles.gate.tw