AS39184 — ULTRANET-AS

Network type: residential

AS39184 announces 41 IPv4 prefixes covering 55,808 addresses and 0 IPv6 prefixes.

About this network

ULTRANET-AS is operated by UltraNET Ltd.

What it's used for

• The address space carries residential and business internet access, evidenced by netnames such as BG-ULTRANET-20070209 and ULTRANET-NET registered to UltraNET Ltd.
• The AS announces 55,808 IPv4 addresses across 49 prefixes with 18 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
• Traffic from this AS consists of subscriber eyeballs for cable and DSL services in Bulgaria, including media applications like UNiTV and Radio VEGA+ developed by the operator.

Notable

• All sampled registrants are UltraNET Ltd, matching the AS holder and confirming a single-organisation estate.
• The inventory is composed of multiple /20 and /21 blocks, indicating a segmented address space managed for different service tiers or geographic regions within Bulgaria.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 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
• 77.77.0.0/19
• 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

Upstream networks

• AS1299 Arelion Sweden AB
• AS9002 RETN Limited
• AS3303 Swisscom (Schweiz) AG
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services

Downstream networks

• AS199702 VIM TV LTD
• AS198783 ET HALIL ADEM
• AS42293 AVALA

Adjacent networks

• AS1299 Arelion Sweden AB
• AS9002 RETN Limited
• AS199702 VIM TV LTD
• AS3303 Swisscom (Schweiz) AG
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services
• AS198783 ET HALIL ADEM
• AS42293 AVALA

Internet exchanges

• NetIX — Sofia, Bulgaria
• Bulgarian Internet eXchange — Sofia, Bulgaria