AS39396 — NBIS-AS

Network type: residential

AS39396 announces 10 IPv4 prefixes covering 4,608 addresses and 1 IPv6 prefixes.

About this network

NBIS-AS is operated by NBI Systems Ltd.

What it's used for

• The address space carries residential broadband and static IP services, evidenced by reverse DNS entries such as giga2.ddns.nbis.net, vasilena.ddns.nbis.net, and static-ip-109-121-136-64.client.nbis.net.
• The network announces 4,608 IPv4 addresses across 10 prefixes and 1 IPv6 prefix, while maintaining 39 observed neighbours; this ratio of address space to peering partners indicates a regional access provider rather than a transit hub.
• Traffic consists of subscriber eyeballs for broadband internet, digital coax TV, and wired telephone services in the city of Ruse, Bulgaria.

Notable

• Registrants for the largest prefixes are consistently NBI Sistems Ltd or Abuse-C Role under netnames like BG-NBISISTEMI-20160212 and BG-NBIS, aligning with the AS holder.
• The inventory is composed of multiple /22, /23, and /24 blocks, including a /32 IPv6 prefix, reflecting a segmented local ISP estate.

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

Announced prefixes

• 85.187.216.0/23
• 109.121.136.0/24
• 109.121.139.0/24
• 109.121.142.0/23
• 185.138.176.0/22
• 185.218.64.0/22
• 185.251.39.0/24
• 212.21.129.0/24
• 212.21.133.0/24
• 212.21.159.0/24
• 2a10:bac0::/32

Upstream networks

• AS61071 NETBOX LTD
• AS57463 NetIX Communications JSC
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS41313 "NOVATEL" EOOD
• AS24482 SG.GS
• AS50673 Serverius Holding B.V.
• AS401753 BIXCE Inc
• AS34019 Hivane Association
• AS20764 CJSC RASCOM
• AS206499 LOCIX LIMITED
• AS37721 Virtual Technologies & Solutions

Downstream networks

• AS197168 ASPhostBG Ltd

Adjacent networks

• AS61071 NETBOX LTD
• AS57463 NetIX Communications JSC
• AS6939 Hurricane Electric LLC
• AS197168 ASPhostBG Ltd
• AS34549 meerfarbig GmbH & Co. KG
• AS41313 "NOVATEL" EOOD
• AS24482 SG.GS
• AS50673 Serverius Holding B.V.
• AS34019 Hivane Association
• AS401753 BIXCE Inc
• AS206499 LOCIX LIMITED
• AS20764 CJSC RASCOM
• AS37721 Virtual Technologies & Solutions

Internet exchanges

• NetIX — Sofia, Bulgaria
• Balkan Internet Exchange — Sofia, Bulgaria
• T-CIX — Sofia, Bulgaria