AS50910 — MAINSTREAM-BIRM1-AS Mainstream Digital Ltd

AS50910 announces 9 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

MAINSTREAM-BIRM1-AS is held by Mainstream Digital Ltd.

What it's used for

• The address space carries business telephony and IT services, evidenced by netnames MAINSTREAM-DSL and UK-MAINSTREAM-20050506 registered to "IT Services" and "Mainstream Digital Ltd".
• The AS announces 4,096 IPv4 addresses across 9 prefixes with a single observed neighbour, indicating a small-scale access or business network rather than a transit provider.
• Traffic from this AS consists of business VoIP media and signalling, along with office worker connectivity for Mainstream Digital's client base.

Notable

• Registrants consistently identify as "IT Services" and "Mainstream Digital Ltd", aligning with the AS holder.
• The address inventory is composed of two distinct blocks: 80.85.213.0/22 and 109.232.152.0/22, reflecting historical acquisitions or allocations.

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

Announced prefixes

• 80.85.213.0/24
• 80.85.214.0/23
• 80.85.216.0/22
• 80.85.220.0/23
• 80.85.223.0/24
• 109.232.152.0/24
• 109.232.154.0/23
• 109.232.156.0/23
• 109.232.159.0/24

Upstream networks

• AS39545 Fluidone Ltd.

Adjacent networks

• AS39545 Fluidone Ltd.

Routing security

• RPKI: 11 valid, 0 invalid and 0 not-found announcements; 21 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 21 route objects.
• Listed in as-sets: AS-EXPONENTIAL-E, AS-FLUIDATA, AS-MAINSTREAMDIGITAL.