Robtex

Up: 5.8.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 5.8.160.0/21
Down right: 5.8.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.8.161.1	PTR	ns1.matrix-mobile.net
5.8.161.1	A	ns1.matrixtelecom.ru
5.8.161.1	A	ns-1.goldencontinent.ru
5.8.161.34	A+PTR	mx-1.matrixtelecom.net
5.8.161.34	A	mx-1.matrix-mobile.net
5.8.161.38	A	mail.mtx.ru
5.8.161.38	A	ixion.matrixtelecom.net
5.8.161.52	A	mail.gecko.co.id
5.8.161.52	A	mail.delight.co.id
5.8.161.82	A	spider.matrixtelecom.net
5.8.161.82	A	spider.matrixtelecom.ru
5.8.161.82	A	www.matrixtelecom.net
5.8.161.93	A	www.matrixtelecom.net
5.8.168.18	PTR	inf018.bol.co.id
5.8.168.66	PTR	inf066.bol.co.id
5.8.168.67	PTR	inf067.bol.co.id
5.8.168.80	PTR	inf080.bol.co.id
5.8.168.113	PTR	inf113.bol.co.id
5.8.168.114	PTR	inf114.bol.co.id
5.8.168.129	PTR	inf129.bol.co.id
5.8.168.130	PTR	inf130.bol.co.id
5.8.168.131	PTR	inf131.bol.co.id
5.8.168.144	PTR	inf144.bol.co.id
5.8.168.145	PTR	inf145.bol.co.id
5.8.168.147	PTR	inf147.bol.co.id
5.8.168.162	PTR	inf162.bol.co.id
5.8.168.176	PTR	inf176.bol.co.id
5.8.168.177	PTR	inf177.bol.co.id
5.8.168.178	PTR	inf178.bol.co.id
5.8.168.192	PTR	inf192.bol.co.id
5.8.168.193	PTR	inf193.bol.co.id
5.8.168.210	PTR	inf210.bol.co.id
5.8.168.211	PTR	inf211.bol.co.id
5.8.168.224	PTR	inf224.bol.co.id
5.8.168.225	PTR	inf225.bol.co.id
5.8.168.240	PTR	inf240.bol.co.id
5.8.168.241	PTR	inf241.bol.co.id
5.8.169.2	PTR	customer002.bol.co.id
5.8.169.3	PTR	customer003.bol.co.id
5.8.169.4	PTR	customer004.bol.co.id
5.8.169.19	PTR	customer019.bol.co.id
5.8.169.33	PTR	customer033.bol.co.id
5.8.169.35	PTR	customer035.bol.co.id
5.8.169.51	PTR	customer051.bol.co.id
5.8.169.66	PTR	customer066.bol.co.id
5.8.169.80	PTR	customer080.bol.co.id
5.8.169.81	PTR	customer081.bol.co.id
5.8.169.82	PTR	customer082.bol.co.id
5.8.169.96	PTR	customer096.bol.co.id
5.8.169.97	PTR	customer097.bol.co.id
5.8.169.98	PTR	customer098.bol.co.id
5.8.169.99	PTR	customer099.bol.co.id
5.8.169.113	PTR	customer113.bol.co.id
5.8.169.129	PTR	customer129.bol.co.id
5.8.169.130	PTR	customer130.bol.co.id
5.8.169.131	PTR	customer131.bol.co.id
5.8.169.147	PTR	customer147.bol.co.id
5.8.169.160	PTR	customer160.bol.co.id
5.8.169.161	PTR	customer161.bol.co.id
5.8.169.163	PTR	customer163.bol.co.id
5.8.169.176	PTR	customer176.bol.co.id
5.8.169.193	PTR	customer193.bol.co.id
5.8.169.194	PTR	customer194.bol.co.id
5.8.169.195	PTR	customer195.bol.co.id
5.8.169.210	PTR	customer210.bol.co.id
5.8.169.226	PTR	customer226.bol.co.id
5.8.169.240	PTR	customer240.bol.co.id
5.8.169.241	PTR	customer241.bol.co.id
5.8.169.242	PTR	customer242.bol.co.id
5.8.169.243	PTR	customer243.bol.co.id
5.8.171.1	PTR	ns2.matrix-mobile.net
5.8.171.1	A	ns-2.davidoff.su
5.8.171.1	A	ns-2.goldencontinent.ru
5.8.171.6	PTR	ws-2.matrix-mobile.net