AS43238 — OPTIBIT-CDN Optizon Ltd

AS43238 announces 1 IPv4 prefixes covering 256 addresses and 1 IPv6 prefixes.

About this network

The AS handle OPTIBIT-CDN is held by Optizon Ltd.

What it's used for

• The address space carries CDN infrastructure, evidenced by reverse DNS entries such as cdn-ok-subnet.sibir-ix.ru and cdn-cdnnow-broadcast.sibir-ix.ru.
• The network announces 256 IPv4 addresses and 1 IPv6 prefix, with 4 observed neighbours, indicating a small-scale content delivery or peering presence rather than a large transit or access network.
• Traffic from this AS consists of CDN edge nodes and broadcast services, supporting content delivery operations within the Russian Federation.

Notable

• The registrant for the announced prefix 185.161.34.0/24 is listed as OPTIBIT NOC; Optizon Ltd; Abuse-C Role, which aligns with the AS holder.
• The address inventory is compact, consisting of a single /24 IPv4 block and a /32 IPv6 prefix, typical for a specialized CDN or service provider.

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

Announced prefixes

• 185.161.34.0/24
• 2a04:2fc7::/32

Upstream networks

• AS33991 IGRA-SERVICE LLC

Downstream networks

• AS34879 OOO "Sovremennye setevye tekhnologii"
• AS8496 Optizon Ltd

Adjacent networks

• AS33991 IGRA-SERVICE LLC
• AS34879 OOO "Sovremennye setevye tekhnologii"
• AS8496 Optizon Ltd

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-HURRICANE, AS-HURRICANEV6, AS-KPTUS, AS-OPTIZONE, AS-RETN-ACTUAL-V6, AS-SOVINTEL-KRSK, AS-SVYAZINTERPLUS, AS209141:AS-RUCUST.