AS39246 — LIULINNET Liulin Net Ltd.

Network type: hosting

AS39246 announces 20 IPv4 prefixes covering 12,800 addresses and 0 IPv6 prefixes.

About this network

LIULINNET is operated by Liulin Net Ltd. (also known as Optical Structural Network Ltd.).

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS records pointing to easytvnet.bg and netnames such as LIULINNET-NET and BG-OPTICAL-20090924.
• The AS announces 12,800 IPv4 addresses across 20 prefixes while maintaining only 1 observed neighbour, a ratio characteristic of an access network providing last-mile connectivity rather than transit.
• Traffic consists of subscriber eyeballs for a regional fiber-optic internet service provider serving the Sofia area in Bulgaria.

Notable

• Registrants align with the announcer, listing Optical Structural Network Ltd. and Abuse-C Role for the majority of prefixes, with one prefix registered to PON.BG Ltd. under the netname BG-PONBG-20041126.
• The inventory is composed of multiple /22 and /23 blocks, including a large /21 block at 77.78.136.0/21, indicating a consolidated but segmented address estate.

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

Announced prefixes

• 31.193.189.0/24
• 62.192.132.0/23
• 77.78.128.0/23
• 77.78.131.0/24
• 77.78.132.0/22
• 77.78.136.0/21
• 85.187.204.0/23
• 109.121.129.0/24
• 109.121.130.0/23
• 109.121.132.0/24
• 109.121.148.0/22
• 109.121.154.0/23
• 109.121.156.0/23
• 109.121.158.0/24
• 109.121.164.0/23
• 109.121.167.0/24
• 109.121.168.0/22
• 109.121.176.0/22
• 109.121.184.0/22
• 109.121.188.0/23

Upstream networks

• AS31287 IPACCT CABLE Ltd

Adjacent networks

• AS31287 IPACCT CABLE Ltd