Robtex

Up: 13.107.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.107.44.0/25
Down right: 13.107.44.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.107.44.1	A	ns1int.3983.azuredns-int.info
13.107.44.1	A	ns1int.388.azuredns-int.info
13.107.44.1	A	ns1int.102.azuredns-int.org
13.107.44.2	A+PTR	ns2-02.perf.azure-dns.net
13.107.44.2	A	ns1int.141.azuredns-int.info
13.107.44.2	A	ns4-02.ppe.azure-dns.info
13.107.44.3	A+PTR	ns2-03.perf.azure-dns.net
13.107.44.3	A	ns4-03.ppe.azure-dns.info
13.107.44.3	A	ns1-03.ppe.azure-dns.com
13.107.44.4	PTR	ns2-04.perf.azure-dns.net
13.107.44.4	A	ns1int.3963.azuredns-int.org
13.107.44.4	A	ns1int.466.azuredns-int.info
13.107.44.5	A+PTR	ns2-05.perf.azure-dns.net
13.107.44.5	A	ns1-05.ppe.azure-dns.com
13.107.44.5	A	ns1int.489.azuredns-int.org
13.107.44.6	A+PTR	ns2-06.perf.azure-dns.net
13.107.44.6	A	ns4-06.ppe.azure-dns.info
13.107.44.6	A	ns1-06.ppe.azure-dns.com
13.107.44.8	A+PTR	ns2-08.perf.azure-dns.net
13.107.44.8	A	ns1-08.ppe.azure-dns.com
13.107.44.8	A	ns4-08.ppe.azure-dns.info
13.107.44.9	A+PTR	ns2-09.perf.azure-dns.net
13.107.44.9	A	ns1int.3892.azuredns-int.org
13.107.44.9	A	ns1int.3892.azuredns-int.info
13.107.44.202	A+PTR	ns1.bdm.engdogfood.ccsctp.com
13.107.44.202	A	nsp1.bdm.engdogfood.ccsctp.com
13.107.44.202	A	ns1.engdogfood.ccsctp.com