Robtex

Up: 78.40.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 78.40.136.0/22
Down right: 78.40.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.40.136.126	A+PTR	mail.transglobal-bg.com
78.40.136.126	A	mx.transglobal-bg.com
78.40.136.126	A	ns.transglobal-bg.com
78.40.136.139	A	multiplexbg.eu
78.40.136.146	A+PTR	email.citycash.bg
78.40.136.146	A	email.credirect.bg
78.40.136.146	A	email.dalivalipari.com
78.40.136.153	A+PTR	zmail.methodiaweb.com
78.40.136.153	A	ccbam.bg
78.40.136.153	A	georgidonchev.com
78.40.136.189	A	mail.abs-bg.com
78.40.136.190	A	insinfotrade.com
78.40.136.222	PTR	mail.ecommerceacademy.net
78.40.136.226	A	mail.ecommerceacademy.net
78.40.137.84	A+PTR	pppoe-084a.vestitel.bg
78.40.137.158	A+PTR	multiplex.bg
78.40.137.158	A	ns.multiplex-bg.com
78.40.137.158	A	www.multiplex.bg
78.40.138.7	A	pppoe-007b.vestitel.bg
78.40.138.12	A	pppoe-012b.vestitel.bg
78.40.138.12	A	ns.alphasoft-bg.com
78.40.138.12	A	mail.osata.eu
78.40.138.17	A	pppoe-017b.vestitel.bg
78.40.138.46	A	pppoe-046b.vestitel.bg
78.40.138.50	A	pppoe-050b.vestitel.bg
78.40.138.52	A	pppoe-052b.vestitel.bg
78.40.138.55	A	pppoe-055b.vestitel.bg
78.40.138.56	PTR	pppoe-056b.vestitel.bg
78.40.138.56	A	2001jobexpo.com
78.40.138.58	A	pppoe-058b.vestitel.bg
78.40.138.68	A	pppoe-068b.vestitel.bg
78.40.138.69	A	pppoe-069b.vestitel.bg
78.40.138.82	A	pppoe-082b.vestitel.bg
78.40.138.114	A	pppoe-114b.vestitel.bg
78.40.138.117	A	pppoe-117b.vestitel.bg
78.40.138.135	A	pppoe-135b.vestitel.bg
78.40.138.143	A	pppoe-143b.vestitel.bg
78.40.138.154	A	pppoe-154b.vestitel.bg
78.40.138.162	A	pppoe-162b.vestitel.bg
78.40.138.172	A	pppoe-172b.vestitel.bg
78.40.138.214	A	pppoe-214b.vestitel.bg
78.40.138.222	A	pppoe-222b.vestitel.bg
78.40.138.235	A	pppoe-235b.vestitel.bg
78.40.138.250	A	pppoe-250b.vestitel.bg
78.40.139.73	A	decretotitolari.online
78.40.139.73	A	decretoposteitaliane.top
78.40.139.73	A	amnsiegkeaas.net
78.40.141.38	A+PTR	pppoe-038c.vestitel.bg
78.40.143.18	A	pillsdirectory.com