AS15664 — SI-BUSINESS

AS15664 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle and the netname are the same string: a country code and one word.

What it's used for

• A company network. One IPv4 /24 announced from Slovenia, no IPv6, two hundred and fifty-six addresses, through two observed BGP neighbours.

Notable

• The handle that identifies the autonomous system and the netname that identifies its only block are character for character identical.
• That string is the country code joined to a single generic word, which describes neither the company nor the network.
• The block lists the company and an abuse role, with nothing else in the record.
• The routing archive's earliest observation of this number is the first day it holds data at all, so the network was already announcing before the record begins.
• Three addresses were queried for reverse DNS and none returned a name.

Interesting

• Reusing one string for both fields is the shortest path through a registration form, and it works until the holder needs a second block. Then the netname has to change and the handle cannot.
• A generic word in the identifier makes the record hard to search for. There is no way to tell this network from any other with a similar name except by the number itself.
• Two upstreams for a single small block is more redundancy than the size suggests. The address count is the minimum that can be routed; the neighbour count is what a network buys when reachability matters more than capacity.

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

Announced prefixes

• 91.213.89.0/24

Upstream networks

• AS5603 Telekom Slovenije, d.d.
• AS43061 Stelkom d.o.o.

Adjacent networks

• AS5603 Telekom Slovenije, d.d.
• AS43061 Stelkom d.o.o.

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-RETN-ACTUAL-V4, AS-SIOL, AS-STELKOM-CUST.