AS42546 — UOS

Network type: residential

AS42546 announces 2 IPv4 prefixes covering 2,560 addresses and 0 IPv6 prefixes.

About this network

UOS is operated by Ukrainian Optical Systems and Technologies LLC.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries such as mail.ost.kiev.ua and IP-232-128.br1.uos.net.ua.
• The AS announces 2560 IPv4 addresses across 2 prefixes and maintains 7 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
• Traffic consists of subscriber eyeballs for optical fiber connections in Kyiv districts (Holosiivskyi, Chapayka) and surrounding suburbs (Novoselky, Chabany).

Notable

• Registrants for both announced prefixes (178.214.192.0/21 and 194.150.232.0/23) align with the announcer, listing UKRANIAN OPTICAL SYSTEMS AND TECHNOLOGIES LLC under the netname ORG-UOSA4-RIPE.
• The inventory is compact, consisting of two contiguous IPv4 blocks with no announced IPv6 prefixes.

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

Announced prefixes

• 178.214.192.0/21
• 194.150.232.0/23

Upstream networks

• AS57455 Filanco Ukraine Ltd.
• AS28917 Fiord Networks, UAB
• AS48648 K-Link LLC
• AS24482 SG.GS

Adjacent networks

• AS57455 Filanco Ukraine Ltd.
• AS28917 Fiord Networks, UAB
• AS48648 K-Link LLC
• AS24482 SG.GS

Internet exchanges

• Giganet Internet Exchange — Kyiv, Ukraine