Robtex

Up: 141.193.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 141.193.20.0/24
Down right: 141.193.21.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
141.193.21.0	PTR	141.193.21.1
141.193.21.1	A+PTR	osk01.jp.nat.moe
141.193.21.2	A	ns2.nat.moe
141.193.21.2	A	tky02.jp.nat.moe
141.193.21.4	A+PTR	led01.ru.nat.moe
141.193.21.4	A	mx6.nat.moe
141.193.21.6	PTR	sea01.us.nat.moe
141.193.21.6	A	0.freebsd.pool.ntp.org
141.193.21.6	A	0.pepwave.pool.ntp.org
141.193.21.66	A	web.nat.moe
141.193.21.99	A	yukari.nat.moe
141.193.21.100	PTR	us-sea-as46997.anchors.atlas.ripe.net
141.193.21.195	A+PTR	141-193-21-195.ip.nat.moe
141.193.21.195	A	www.li-dev.cn
141.193.21.250	PTR	141-193-21-250.ip.arily.moe
141.193.21.250	A	ksmeow.moe
141.193.21.250	A	www.sbeamcommunity.com