Robtex

Up: 125.6.136.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 125.6.136.0/25
Down right: 125.6.136.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
125.6.136.4	A+PTR	hspc.flxsrv.jp
125.6.136.5	A	5a-t01-b3.data-hotel.net
125.6.136.8	A+PTR	ns01.atsrv.jp
125.6.136.8	A	shimakaze-san.com
125.6.136.10	A+PTR	ns02.atsrv.jp
125.6.136.11	A	5a-t01-c1.data-hotel.net
125.6.136.18	A+PTR	mx01.ex-cloud.jp
125.6.136.18	A	mx01.atsrv.net
125.6.136.18	A	mx01.flxsrv.net
125.6.136.19	PTR	125-6-136-19.data-hotel.net
125.6.136.19	A	mx02.atsrv.net
125.6.136.19	A	mx02.ex-cloud.jp
125.6.136.28	PTR	ex-cloud.jp
125.6.136.28	A	www.ex-cloud.jp
125.6.136.29	PTR	125-6-136-29.data-hotel.net
125.6.136.29	A	flexserver.jp
125.6.136.32	PTR	125-6-136-32.data-hotel.net
125.6.136.48	PTR	125-6-136-48.data-hotel.net
125.6.136.155	PTR	pfve01.flxsrv.com
125.6.136.155	A	mail.toukou-s.net
125.6.136.155	A	mail.my-memorial.net
125.6.136.166	PTR	pfve10.flxsrv.com
125.6.136.166	A	nbcob-kai.com
125.6.136.166	A	suzukigo.com
125.6.136.167	PTR	pfve07.flxsrv.com
125.6.136.167	A	mail.kotonakitano.com
125.6.136.167	A	bop-doq.com
125.6.136.168	PTR	pfve08.flxsrv.com
125.6.136.168	A	asa44.jp
125.6.136.168	A	mail.kizuna311.org
125.6.136.170	PTR	pfve02.flxsrv.com
125.6.136.170	A	mail.the-eskimore.com
125.6.136.170	A	miraiken.co.jp
125.6.136.171	PTR	pfve03.flxsrv.com
125.6.136.171	A	artandbooks2.com
125.6.136.171	A	mail.kickboxer.jp
125.6.136.178	PTR	125-6-136-178.data-hotel.net
125.6.136.213	PTR	pfve04.flxsrv.com
125.6.136.213	A	reworld.co.jp
125.6.136.213	A	take-nk.info
125.6.136.214	PTR	pfve05.flxsrv.com
125.6.136.214	A	taka.me
125.6.136.214	A	lespros-aster.com
125.6.136.215	A+PTR	pfve06.flxsrv.com
125.6.136.215	A	mail.shinagawakaigishitsu.com
125.6.136.215	A	i21.jp
125.6.136.216	PTR	pfve09.flxsrv.com
125.6.136.216	A	mail.mon-choux.com
125.6.136.216	A	mail.naomilemon.com
125.6.136.239	A+PTR	pkve01.flxsrv.com
125.6.136.239	A	mail.team-hosen.com
125.6.136.239	A	mail.pkve01.flxsrv.com
125.6.136.240	A	pkve02.flxsrv.com