Robtex

Up: 109.199.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 109.199.140.0/23
Down right: 109.199.142.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.199.140.2	A+PTR	mail.vestel.bg
109.199.140.2	A	mail.fortbg.com
109.199.140.3	A+PTR	19307.telnet.bg
109.199.140.3	A	www.vestel.bg
109.199.140.10	A+PTR	19314.telnet.bg
109.199.140.25	PTR	19329.telnet.bg
109.199.140.25	A	www.vestel.bg
109.199.140.25	A	pris-bg.com
109.199.140.39	A+PTR	mail.pavlikeni.bg
109.199.140.39	A	pavlikeni.bg
109.199.140.39	A	www.pavlikeni.bg
109.199.140.42	A+PTR	19346.telnet.bg
109.199.140.42	A	bialacherkva.vestel.bg
109.199.140.43	PTR	19347.telnet.bg
109.199.140.43	A	suhindol.vestel.bg
109.199.140.60	A+PTR	19364.telnet.bg
109.199.140.60	A	biser.vestel.bg
109.199.140.115	A+PTR	19419.telnet.bg
109.199.140.150	A	csandro.vestel.bg
109.199.140.157	PTR	19461.telnet.bg
109.199.140.157	A	mail.pavlikeni.org
109.199.140.171	PTR	19475.telnet.bg
109.199.140.210	A	19514.telnet.bg
109.199.140.212	A+PTR	19516.telnet.bg
109.199.141.56	A	19614.telnet.bg
109.199.141.69	A	19627.telnet.bg
109.199.141.75	A+PTR	19633.telnet.bg
109.199.141.128	A	19686.telnet.bg
109.199.141.145	A+PTR	19703.telnet.bg
109.199.141.194	A+PTR	19752.telnet.bg
109.199.143.22	A	20088.telnet.bg
109.199.143.25	A+PTR	20091.telnet.bg