AS28952 — O2BS

AS28952 announces 9 IPv4 prefixes covering 43,264 addresses and 2 IPv6 prefixes.

About this network

The AS handle O2BS is held by O2 Business Services, a.s.

What it's used for

• The address space carries business and enterprise connectivity, evidenced by netnames such as SK-BS-20061017 and SK-O2-STATIC-POOL-20180523-02, and reverse DNS entries pointing to o2inet.sk.
• With 43,264 IPv4 addresses announced across 9 prefixes and 44 observed neighbours, the ratio suggests a regional access or business ISP role rather than a pure transit provider.

Notable

• Registrants are consistent with the announcer, primarily listing O2 Slovakia, s.r.o. and O2 Business Services, a.s.
• The address inventory is subdivided into multiple /19, /20, /22, and /24 blocks, indicating a structured corporate estate with site-by-site segmentation.

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

Announced prefixes

• 31.3.32.0/19
• 37.58.0.0/20
• 37.152.96.0/19
• 46.34.224.0/19
• 90.176.0.0/19
• 91.191.69.0/24
• 91.191.80.0/22
• 151.236.224.0/20
• 185.103.144.0/22
• 2a03:6947:1800::/40
• 2a06:2c40::/29

Upstream networks

• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS5610 O2 Czech Republic, a.s.
• AS3303 Swisscom (Schweiz) AG
• AS31230 Slovak University of Technology in Bratislava
• AS29504 Freenet Liberec, z.s.
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS20562 Broadband Hosting B.V.

Downstream networks

• AS60715 Lombard s.r.o.
• AS25496 ZT Bratislava
• AS57414 eustream as
• AS204691 PLAYMAX s.r.o.
• AS205055 Geetoo Technology SK s. r. o.
• AS199330 CentralNic Ltd
• AS60890 CentralNic Ltd
• AS49659 SkyToll, a. s.

Adjacent networks

• AS174 Cogent Communications, LLC
• AS60715 Lombard s.r.o.
• AS6939 Hurricane Electric LLC
• AS5610 O2 Czech Republic, a.s.
• AS25496 ZT Bratislava
• AS57414 eustream as
• AS204691 PLAYMAX s.r.o.
• AS3303 Swisscom (Schweiz) AG
• AS29504 Freenet Liberec, z.s.
• AS31230 Slovak University of Technology in Bratislava
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS57463 NetIX Communications JSC
• AS20562 Broadband Hosting B.V.
• AS205055 Geetoo Technology SK s. r. o.
• AS199330 CentralNic Ltd
• AS60890 CentralNic Ltd
• AS49659 SkyToll, a. s.

Internet exchanges

• Peering.cz — Prague, Czech Republic
• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic
• Slovak Internet eXchange Bratislava — Bratislava, Slovakia