Robtex

Up: 103.23.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.23.12.0/23
Down right: 103.23.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.23.12.0	PTR	103-23-12-0.steadynet.jp
103.23.12.5	PTR	103-23-12-5.steadynet.jp
103.23.12.5	A	ns1.steadynet.jp
103.23.12.6	PTR	103-23-12-6.steadynet.jp
103.23.12.6	A	ns2.steadynet.jp
103.23.12.8	PTR	103-23-12-8.steadynet.jp
103.23.12.28	PTR	103-23-12-28.steadynet.jp
103.23.12.28	A	fly-high.org
103.23.12.28	A	reverpro.com
103.23.12.40	A	misuruta.net
103.23.12.67	A	misuruie.net
103.23.12.130	A	mail.zarra-1tsudemo.com
103.23.12.130	A	mail.a3vrm-aiai-51.com
103.23.12.130	A	mail.3ij2t-aiai-51.com
103.23.12.201	A	test-rchse.net
103.23.12.215	PTR	103-23-12-215.mb-draco.com
103.23.12.215	A	mou-karu.com
103.23.12.223	A	ns1.vmeauthns1.com
103.23.12.226	A	tensaisyudan.com
103.23.12.230	A	ns2.vmeauthns1.com
103.23.12.233	PTR	103-23-12-233.mb-draco.com
103.23.12.233	A	sup-test-cotns.net
103.23.12.233	A	test-cotns.net
103.23.12.238	A	system-oem.com
103.23.12.239	PTR	103-23-12-239.mb-draco.com
103.23.12.240	PTR	103-23-12-240.mb-draco.com
103.23.12.244	A	misuruns.net
103.23.12.248	PTR	103-23-12-248.steadynet.jp
103.23.12.248	A	ftprm.jp
103.23.12.249	PTR	103-23-12-249.steadynet.jp
103.23.12.249	A	spmd.luckl.jp
103.23.12.249	A	luckl.jp
103.23.12.255	PTR	103-23-12-255.steadynet.jp
103.23.13.3	PTR	www3.mb-musca.com
103.23.13.3	A	mb-lyra.com
103.23.13.4	A+PTR	103-23-13-4.mb-lyra.com
103.23.13.4	A	ns1.jko9alb1.net
103.23.13.5	PTR	dke5.mb-lyra.com
103.23.13.6	PTR	dke6.mb-lyra.com
103.23.13.6	A	mail.uytjyte.com
103.23.13.6	A	mail.shdhdek.com
103.23.13.20	PTR	www20.mb-musca.com
103.23.13.20	A	ns1.gxuvttju.net
103.23.13.21	PTR	www21.mb-musca.com
103.23.13.21	A	ns2.gxuvttju.net
103.23.13.22	A	mail.hayakuaitianaaaa8474.com
103.23.13.24	A	ns1.uw158m3m.net
103.23.13.25	A	ns2.uw158m3m.net
103.23.13.27	A	bcrw-v2.vme.bz
103.23.13.32	A	mail.v1-ukste.com
103.23.13.36	PTR	www36.mb-musca.com
103.23.13.36	A	ns1.w1tkrlh3.net
103.23.13.37	PTR	www37.mb-musca.com
103.23.13.38	PTR	www38.mb-musca.com
103.23.13.39	PTR	www39.mb-musca.com
103.23.13.50	A	ns1.7xikrs4kmvsqvk.com
103.23.13.51	A	ns2.7xikrs4kmvsqvk.com
103.23.13.54	A	mx.reapqtogckq80r.com
103.23.13.60	A	103.23.13.60.dev-fortune2.info
103.23.13.113	PTR	tkn113.mb-lyra.com
103.23.13.163	PTR	tkn163.mb-lyra.com
103.23.13.253	PTR	tkn253.mb-lyra.com
103.23.14.3	A	mb-auriga.com
103.23.14.13	A	ukste.com
103.23.14.19	A	mail.bpt-tuyw-acnsj.jp
103.23.14.19	A	mail.dgn-hh-xcejapj.jp
103.23.14.19	A	mail.97-8rncek.jp
103.23.14.21	A	ns2.w1tkrlh3.net
103.23.14.25	PTR	103-23-14-25.mb-auriga.com
103.23.14.25	A	mail.0v1ra-mune9n.com
103.23.14.25	A	mail.n7g8w-1tsudemo.com
103.23.14.26	PTR	www26.mb-grus.com
103.23.14.27	PTR	www27.mb-grus.com
103.23.14.31	PTR	www31.mb-grus.com
103.23.14.31	A	mail.yepbxj.com
103.23.14.31	A	mail.wesgiio.com
103.23.14.33	PTR	www33.mb-grus.com
103.23.14.33	A	ns2.jko9alb1.net
103.23.14.88	PTR	www88.mb-grus.com
103.23.14.145	A	ns2.n6hdf3zs.net
103.23.14.145	A	ns1.n6hdf3zs.net
103.23.14.147	A	mail.support-uma-kizoku.com
103.23.14.147	A	mail.vj8cz-minnano-manbaken.com
103.23.14.197	PTR	www197.mb-grus.com
103.23.14.197	A	verve-inc.jp
103.23.14.213	PTR	www213.mb-grus.com
103.23.14.213	A	n-gate2.info
103.23.14.240	A	mail.kabux2.jp
103.23.14.251	A	kabux2.jp
103.23.15.3	A	mb-lupus.com
103.23.15.4	PTR	www4.mb-lupus.com
103.23.15.4	A	neo-kanpekidaai.com
103.23.15.6	PTR	103-23-15-6.mb-lupus.com
103.23.15.6	A	neo-kanpekidaai.com
103.23.15.6	A	dev-fortune1.info
103.23.15.10	A	sns-r21.com
103.23.15.11	A	ns1.vmeauthspf1.com
103.23.15.12	A	ns2.vmeauthspf1.com
103.23.15.27	A	mail.yz3ws5io.net
103.23.15.27	A	mail.q0ctg5hs.net
103.23.15.42	PTR	www42.mb-lupus.com
103.23.15.42	A	ns1.q9x2wr04.net
103.23.15.43	A	ns2.q9x2wr04.net
103.23.15.192	PTR	www192.mb-virgo.com