AS203819 — cybercat Emily Kohlmeier

AS203819 announces 1 IPv4 prefixes covering 256 addresses and 2 IPv6 prefixes.

About this network

The AS handle CYBERCAT is held by Emily Kohlmeier.

What it's used for

• The space carries a single IPv4 prefix, 45.150.123.0/24, with the netname cybercat-network and registrant Emily Kohlmeier.
• The inventory consists of 256 IPv4 addresses and 2 IPv6 prefixes, with 9 observed neighbours, indicating a small-scale network with limited peering.
• Secondary sources identify the operator as an educational or research network, suggesting the traffic consists of academic or research endpoints rather than commercial subscriber traffic.

Notable

• The registrant Emily Kohlmeier matches the registry holder and the netname registrant for the announced prefix.
• The address inventory is minimal, comprising one IPv4 /24 block and two IPv6 prefixes, all located in Germany.

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

Announced prefixes

• 45.150.123.0/24
• 2a0f:be01::/46
• 2a0f:be01:fe::/48

Upstream networks

• AS49585 CoreRoute UG (haftungsbeschraenkt)
• AS401753 BIXCE Inc
• AS56662 Marcin Gondek
• AS199854 Jens Thies

Adjacent networks

• AS49585 CoreRoute UG (haftungsbeschraenkt)
• AS401753 BIXCE Inc
• AS56662 Marcin Gondek
• AS199854 Jens Thies

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-1STBB, AS-1STBB, AS-1STBB, AS-COREROUTE, AS-HURRICANE, AS-HURRICANEV6, AS-MMNETWORKS, AS-MMNETWORKS, AS-MMNETWORKS, AS-TRANSROUTE-SPEC, AS203819:AS-CYBERCAT, AS49585:AS-CUSTOMER.

Internet exchanges

• Local Internet Exchange Düsseldorf — Düsseldorf, Germany