Robtex

Up: 213.91.172.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 213.91.174.0/24
Down right: 213.91.175.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.91.174.2	PTR	ns.fair.bg
213.91.174.2	A	ns.agra.bg
213.91.174.2	A	mail.agra.bg
213.91.174.3	PTR	mx.fair.bg
213.91.174.255	PTR	broadcast.fair.bg
213.91.175.1	A	certs.btc.bg
213.91.175.2	PTR	mail.btc.bg
213.91.175.2	A	mx2.vivaonline.bg
213.91.175.2	A	mail.vivacom.bg
213.91.175.3	PTR	crl.btc.bg
213.91.175.4	PTR	4-175.btc-net.bg
213.91.175.7	A+PTR	smtp.vivacom.bg
213.91.175.7	A	smtp.btc.bg
213.91.175.8	A	mail.marketingviva.com
213.91.175.12	A+PTR	213-91-175-12.ip.btc-net.bg
213.91.175.13	A+PTR	mx3.btc.bg
213.91.175.14	A+PTR	mx4.btc.bg
213.91.175.16	A+PTR	213-91-175-16.ip.btc-net.bg
213.91.175.19	A+PTR	213-91-175-19.ip.btc-net.bg
213.91.175.20	A+PTR	213-91-175-20.ip.btc-net.bg
213.91.175.23	A+PTR	213-91-175-23.ip.btc-net.bg
213.91.175.25	A	www.vivabill.bg
213.91.175.25	A	vivabill.bg
213.91.175.26	A+PTR	public.vivacom.bg
213.91.175.29	A	vivahistory.bg
213.91.175.29	A	www.vivahistory.bg
213.91.175.31	A+PTR	213-91-175-31.ip.btc-net.bg
213.91.175.32	A+PTR	213-91-175-32.ip.btc-net.bg
213.91.175.34	A+PTR	213-91-175-34.ip.btc-net.bg
213.91.175.38	A+PTR	213-91-175-38.ip.btc-net.bg
213.91.175.40	PTR	40-175.btc-net.bg
213.91.175.40	A	www.vivaonline.bg
213.91.175.40	A	vivaonline.bg
213.91.175.42	A+PTR	213-91-175-42.ip.btc-net.bg
213.91.175.43	A+PTR	213-91-175-43.ip.btc-net.bg
213.91.175.45	PTR	vivacom.bg
213.91.175.45	A	www.btctv.bg
213.91.175.45	A	www.4fun.bg
213.91.175.54	A+PTR	213-91-175-54.ip.btc-net.bg
213.91.175.57	A+PTR	ibcm.vivacom.bg
213.91.175.60	A+PTR	213-91-175-60.ip.btc-net.bg
213.91.175.61	A	energyinvest.bg
213.91.175.63	A+PTR	213-91-175-63.ip.btc-net.bg
213.91.175.65	PTR	65-175.btc-net.bg
213.91.175.65	A	vivacognita.org
213.91.175.66	A+PTR	213-91-175-66.ip.btc-net.bg
213.91.175.76	A	www.happycall.bg
213.91.175.76	A	happycall.bg
213.91.175.77	A+PTR	213-91-175-77.ip.btc-net.bg
213.91.175.78	A+PTR	213-91-175-78.ip.btc-net.bg
213.91.175.79	A+PTR	213-91-175-79.ip.btc-net.bg
213.91.175.80	A+PTR	213-91-175-80.ip.btc-net.bg
213.91.175.81	A+PTR	213-91-175-81.ip.btc-net.bg
213.91.175.92	A+PTR	213-91-175-92.ip.btc-net.bg
213.91.175.94	A+PTR	213-91-175-94.ip.btc-net.bg
213.91.175.98	A+PTR	213-91-175-98.ip.btc-net.bg
213.91.175.101	A+PTR	213-91-175-101.ip.btc-net.bg
213.91.175.102	A+PTR	213-91-175-102.ip.btc-net.bg
213.91.175.104	A+PTR	213-91-175-104.ip.btc-net.bg
213.91.175.108	A+PTR	213-91-175-108.ip.btc-net.bg
213.91.175.109	A+PTR	213-91-175-109.ip.btc-net.bg
213.91.175.113	A+PTR	213-91-175-113.ip.btc-net.bg
213.91.175.114	A+PTR	213-91-175-114.ip.btc-net.bg
213.91.175.120	A+PTR	213-91-175-120.ip.btc-net.bg
213.91.175.122	A+PTR	213-91-175-122.ip.btc-net.bg
213.91.175.134	A+PTR	213-91-175-134.ip.btc-net.bg
213.91.175.138	A+PTR	213-91-175-138.ip.btc-net.bg
213.91.175.140	PTR	213-91-175-140.ip.btc-net.bg
213.91.175.141	A+PTR	213-91-175-141.ip.btc-net.bg
213.91.175.142	A+PTR	213-91-175-142.ip.btc-net.bg
213.91.175.152	A+PTR	213-91-175-152.ip.btc-net.bg
213.91.175.154	A+PTR	213-91-175-154.ip.btc-net.bg
213.91.175.157	A+PTR	213-91-175-157.ip.btc-net.bg
213.91.175.158	A+PTR	213-91-175-158.ip.btc-net.bg
213.91.175.164	A+PTR	213-91-175-164.ip.btc-net.bg
213.91.175.168	A+PTR	213-91-175-168.ip.btc-net.bg
213.91.175.170	A+PTR	213-91-175-170.ip.btc-net.bg
213.91.175.171	A+PTR	213-91-175-171.ip.btc-net.bg
213.91.175.182	A+PTR	213-91-175-182.ip.btc-net.bg
213.91.175.185	A+PTR	213-91-175-185.ip.btc-net.bg
213.91.175.189	A+PTR	213-91-175-189.ip.btc-net.bg
213.91.175.192	A+PTR	213-91-175-192.ip.btc-net.bg
213.91.175.193	A+PTR	213-91-175-193.ip.btc-net.bg
213.91.175.195	A+PTR	213-91-175-195.ip.btc-net.bg
213.91.175.197	A+PTR	213-91-175-197.ip.btc-net.bg
213.91.175.198	A+PTR	213-91-175-198.ip.btc-net.bg
213.91.175.200	A+PTR	213-91-175-200.ip.btc-net.bg
213.91.175.209	A+PTR	213-91-175-209.ip.btc-net.bg
213.91.175.211	A+PTR	213-91-175-211.ip.btc-net.bg
213.91.175.214	A+PTR	213-91-175-214.ip.btc-net.bg
213.91.175.222	A+PTR	213-91-175-222.ip.btc-net.bg
213.91.175.225	A+PTR	213-91-175-225.ip.btc-net.bg
213.91.175.229	A+PTR	213-91-175-229.ip.btc-net.bg
213.91.175.230	A+PTR	213-91-175-230.ip.btc-net.bg
213.91.175.231	A+PTR	213-91-175-231.ip.btc-net.bg
213.91.175.244	A+PTR	213-91-175-244.ip.btc-net.bg
213.91.175.246	A+PTR	213-91-175-246.ip.btc-net.bg
213.91.175.247	A+PTR	213-91-175-247.ip.btc-net.bg
213.91.175.250	A+PTR	213-91-175-250.ip.btc-net.bg
213.91.175.254	A+PTR	213-91-175-254.ip.btc-net.bg
213.91.175.255	PTR	213-91-175-255.ip.btc-net.bg