Robtex

Up: 203.55.143.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 203.55.143.0/27
Down right: 203.55.143.32/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.55.143.0	PTR	non-registered-anycast.netregistry.net
203.55.143.1	PTR	non-registered-anycast.netregistry.net
203.55.143.2	PTR	non-registered-anycast.netregistry.net
203.55.143.3	PTR	ns3-anycast.partnerconsole.net
203.55.143.3	A	ns3.it-mate.com.au
203.55.143.3	A	ns3.oceanplanetdomain.com
203.55.143.4	PTR	ns1-anycast.partnerconsole.net
203.55.143.4	A	ns3.iistorebuilder.com
203.55.143.4	A	ns1.ghostech.com.au
203.55.143.5	PTR	ns4-anycast.partnerconsole.net
203.55.143.5	A	ns2.hiddenspark.com
203.55.143.5	A	ns2.myonlines.com
203.55.143.6	PTR	non-registered-anycast.netregistry.net
203.55.143.7	PTR	non-registered-anycast.netregistry.net
203.55.143.8	PTR	non-registered-anycast.netregistry.net
203.55.143.9	PTR	non-registered-anycast.netregistry.net
203.55.143.10	PTR	ns1-anycast.netregistry.net
203.55.143.10	A	ns11.melbourneit.com
203.55.143.10	A	ns11.melbourneit.com.au
203.55.143.11	PTR	ns4-anycast.netregistry.net
203.55.143.12	PTR	non-registered-anycast.netregistry.net
203.55.143.13	PTR	non-registered-anycast.netregistry.net
203.55.143.14	PTR	non-registered-anycast.netregistry.net
203.55.143.15	A+PTR	ns2.melbourneit.net
203.55.143.16	A+PTR	ns4.melbourneit.net
203.55.143.17	A+PTR	ns2.mitdps.net
203.55.143.17	A	ns2.telstradns.net
203.55.143.18	PTR	ns4.mitdps.net
203.55.143.19	A+PTR	ns2.nsserver.net.nz
203.55.143.20	A+PTR	ns4.nsserver.net.nz
203.55.143.21	A+PTR	ns2.easyclouddns.net
203.55.143.21	A	ns2.telstradns.net
203.55.143.21	A	septechiraq.com
203.55.143.22	A+PTR	ns4.easyclouddns.net
203.55.143.22	A	ns4.telstradns.net
203.55.143.23	PTR	non-registered-anycast.netregistry.net
203.55.143.24	PTR	non-registered-anycast.netregistry.net
203.55.143.25	PTR	non-registered-anycast.netregistry.net
203.55.143.26	PTR	non-registered-anycast.netregistry.net
203.55.143.27	PTR	non-registered-anycast.netregistry.net
203.55.143.28	PTR	non-registered-anycast.netregistry.net
203.55.143.29	PTR	non-registered-anycast.netregistry.net
203.55.143.30	PTR	non-registered-anycast.netregistry.net
203.55.143.31	PTR	non-registered-anycast.netregistry.net
203.55.143.32	PTR	non-registered-anycast.netregistry.net
203.55.143.33	PTR	non-registered-anycast.netregistry.net
203.55.143.34	PTR	non-registered-anycast.netregistry.net
203.55.143.35	PTR	non-registered-anycast.netregistry.net
203.55.143.36	PTR	non-registered-anycast.netregistry.net
203.55.143.37	PTR	non-registered-anycast.netregistry.net
203.55.143.38	PTR	non-registered-anycast.netregistry.net
203.55.143.39	PTR	non-registered-anycast.netregistry.net
203.55.143.40	PTR	non-registered-anycast.netregistry.net
203.55.143.41	PTR	non-registered-anycast.netregistry.net
203.55.143.42	PTR	non-registered-anycast.netregistry.net
203.55.143.43	PTR	non-registered-anycast.netregistry.net
203.55.143.44	PTR	non-registered-anycast.netregistry.net
203.55.143.45	PTR	non-registered-anycast.netregistry.net
203.55.143.46	PTR	non-registered-anycast.netregistry.net
203.55.143.47	PTR	non-registered-anycast.netregistry.net
203.55.143.48	PTR	non-registered-anycast.netregistry.net
203.55.143.49	PTR	non-registered-anycast.netregistry.net
203.55.143.50	PTR	non-registered-anycast.netregistry.net
203.55.143.51	PTR	non-registered-anycast.netregistry.net
203.55.143.52	PTR	non-registered-anycast.netregistry.net
203.55.143.53	PTR	non-registered-anycast.netregistry.net
203.55.143.54	PTR	non-registered-anycast.netregistry.net
203.55.143.55	PTR	non-registered-anycast.netregistry.net
203.55.143.56	PTR	non-registered-anycast.netregistry.net
203.55.143.57	PTR	non-registered-anycast.netregistry.net
203.55.143.58	PTR	non-registered-anycast.netregistry.net
203.55.143.59	PTR	non-registered-anycast.netregistry.net
203.55.143.60	PTR	non-registered-anycast.netregistry.net
203.55.143.61	PTR	non-registered-anycast.netregistry.net
203.55.143.62	PTR	non-registered-anycast.netregistry.net
203.55.143.63	PTR	non-registered-anycast.netregistry.net