Robtex

Up: 139.255.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 139.255.60.0/23
Down right: 139.255.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
139.255.60.66	PTR	ln-static-139-255-60-66.link.net.id
139.255.60.66	A	matrixkabel.com
139.255.60.188	A	mx1.maybank-am.co.id
139.255.60.234	PTR	ln-static-139-255-60-234.link.net.id
139.255.60.234	A	istiqomah.org
139.255.61.179	PTR	ln-static-139-255-61-179.link.net.id
139.255.61.179	A	www.ptppa.com
139.255.61.181	A+PTR	smtp1.ptppa.com
139.255.61.182	A	mail.klubbogorraya.com
139.255.61.183	A	klubbogorraya.com
139.255.61.184	A	mail.ptppa.com
139.255.61.187	A	fortibumn.org
139.255.61.211	PTR	ln-static-139-255-61-211.link.net.id
139.255.61.211	A	gold.tokopedia.com
139.255.61.211	A	hermes.tokopedia.com
139.255.61.212	A	ws.tokopedia.com
139.255.61.214	PTR	fm-dyn-139-255-61-214.fast.net.id
139.255.61.216	PTR	fm-dyn-139-255-61-216.fast.net.id
139.255.61.240	PTR	fm-dyn-139-255-61-240.fast.net.id
139.255.61.245	A	orangecounty.co.id
139.255.61.252	A	api.ptncs.com
139.255.62.91	PTR	ln-static-139-255-62-91.link.net.id
139.255.62.91	A	mail.indojasa-finance.co.id
139.255.62.101	PTR	ln-static-139-255-62-101.link.net.id
139.255.62.101	A	www.paklim.org
139.255.62.101	A	paklim.org
139.255.62.130	A+PTR	mail.padmatirtagroup.com
139.255.62.130	A	padmatirtagroup.com
139.255.62.132	PTR	ln-static-139-255-62-132.link.net.id
139.255.62.132	A	beliaqua.com
139.255.62.132	A	www.padmatirtagroup.com
139.255.62.250	A	mail.primaadjusterindo.com
139.255.63.13	A+PTR	mx01.asuransiadira.co.id
139.255.63.19	PTR	ln-static-139-255-63-19.link.net.id
139.255.63.101	PTR	mx2.lautan-luas.com
139.255.63.101	A	mx2.ltl.co.id