AS204907 — AS204907 Air Bank a.s.

AS204907 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

AS204907 is operated by Air Bank a.s., a Czech retail bank.

What it's used for

• The address space is registered under netnames CZ-AIRBANK-20130821 and CZ-AIRBANK-20240507, with registrants listed as "Network Architect; Air Bank a.s.; Abuse-C Role".
• The AS announces 768 IPv4 addresses across 3 prefixes and maintains 2 observed neighbours, a ratio consistent with an internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of internal corporate systems, branch backhaul, and web/API endpoints supporting the bank's digital services and operations.

Notable

• All three announced prefixes share the same registrant identity, confirming the space is owned and managed directly by Air Bank a.s.
• The address inventory is finely subdivided into three /24 blocks, reflecting site-by-site segmentation typical of a large corporate network.

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

Announced prefixes

• 185.33.156.0/24
• 185.33.158.0/24
• 194.246.33.0/24

Upstream networks

• AS29208 Quantcom, a.s.
• AS5610 O2 Czech Republic, a.s.

Adjacent networks

• AS29208 Quantcom, a.s.
• AS5610 O2 Czech Republic, a.s.

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-CTIOL, AS-DIALTELECOM.