AS203819 cybercat Emily Kohlmeier

cybercat Emily Kohlmeier · registered in Germany

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Germany#1,917largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#60,746of 79,396 networks with IPv4

IPv65 x /482 prefixes

CountryGermany2,599 ASNs registered there

Open AS203819 in ASN lookup Look up an IP in this network (45.150.123.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

45.150.123.0/24

IPv6 prefixes

All 2 prefixes.

2a0f:be01::/46
2a0f:be01:fe::/48

Similar-sized networks in Germany

ASNNameIPv4 addresses

AS211635#1914 AS211635-AS Stefan Nagel256

AS212688#1915 AS-INSEC in.sec GmbH256

AS49745#1916 WUSEL-AS Kai Siering256

AS212049#1918 NEBEL Jonathan Nebel256

AS215685#1919 Nexus Maik Sussdorf256

AS216219#1920 MADLEHN Ken Madlehn256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources