AS39184 UltraNET-AS UltraNET Ltd

UltraNET-AS UltraNET Ltd · registered in Bulgaria

IPv4 addresses55,80845 prefixes · 0.002% of announced IPv4

Rank in Bulgaria#8largest network in BG by IPv4 space, of 669 · 1.40% of BG

Rank worldwide#3,774of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBulgaria675 ASNs registered there

Open AS39184 in ASN lookup Look up an IP in this network (5.133.92.1) All networks in Bulgaria

IPv4 prefixes

All 45 prefixes, in address order.

5.133.92.0/22
5.181.28.0/22
5.183.228.0/22
45.65.68.0/22
45.67.88.0/22
77.76.32.0/19
77.77.0.0/23
77.77.2.0/23
77.77.4.0/22
77.77.8.0/21
77.77.16.0/20
77.77.32.0/20
77.77.48.0/24
77.77.50.0/23
77.77.52.0/22
77.77.56.0/21
80.72.65.0/24
80.72.67.0/24
80.72.70.0/23
80.72.73.0/24
80.72.74.0/24
80.72.76.0/24
80.72.79.0/24
80.72.83.0/24
80.72.94.0/24
80.78.224.0/20
85.95.86.0/23
85.95.88.0/24
88.80.96.0/20
88.80.112.0/21
88.80.120.0/22
88.80.124.0/23
88.80.126.0/24
185.116.92.0/22
185.247.56.0/22
185.253.156.0/23
185.253.158.0/24
193.161.132.0/22
213.149.128.0/20
213.149.144.0/24
213.149.146.0/23
213.149.148.0/22
213.149.152.0/23
213.149.155.0/24
213.149.158.0/23

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses

AS9070#5 Cooolbox Cooolbox AD141,824

AS35141#6 A1BG_RSS A1 Bulgaria EAD111,360

AS6802#7 UNICOM-B-AS Bulgarian Research and Education Network Association (BREN)65,536

AS59711#9 HZ-EU-AS HZ Hosting Ltd55,040

AS3245#10 DIGSYS-AS Digital Systems Ltd48,128

AS51582#11 DCC-BG Cifrova Kabelna Korporacia EOOD44,288

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources