AS25353 — BAR-AS BAR Informatik AG

AS25353 announces 3 IPv4 prefixes covering 6,400 addresses and 1 IPv6 prefixes.

About this network

The AS handle BAR-AS is held by BAR Informatik AG, a Swiss internet service provider.

What it's used for

• The address space carries customer and internal infrastructure, evidenced by reverse DNS entries such as bar-203-E254.rhone.ch and zt.cust.wnd.ch.
• With 6,400 IPv4 addresses announced across 3 prefixes and only 2 observed neighbours, the ratio indicates an access or eyeball network rather than a transit provider.

Notable

• Registrants for the two largest prefixes (81.201.192.0/20 and 46.235.56.0/21) are BAR Informatik AG, while the smallest prefix (193.162.79.0/24) is registered to WND AG, suggesting a distinct operational or historical relationship.
• The inventory consists of three IPv4 prefixes and one IPv6 prefix, all announced from Switzerland.

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

Announced prefixes

• 46.235.56.0/21
• 81.201.192.0/20
• 193.162.79.0/24
• 2a03:2600::/32

Upstream networks

• AS15576 NTS workspace AG
• AS39040 NTS workspace AG

Adjacent networks

• AS15576 NTS workspace AG
• AS39040 NTS workspace AG

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS15576:AS-CUSTOMER, AS15576:AS-CUSTOMER:AS25353, AS39040:AS-CUSTOMER, AS39040:AS-CUSTOMER:AS25353, AS8508:AS-SASK-UPC-IN.