AS49552
OpenSource Training Ralf Spenneberg Unknown registered in Germany
1IPv4 prefixes
1IPv6 prefixes
100%RPKI-valid
#35,460AS Rank
327/327RIS visibility
#1,671Rank in Germany
2009-06-30Allocated
OpenSource Training Ralf Spenneberg (AS49552) — Unknown, registered in Germany. announces 1 IPv4 prefixes + 1 IPv6 prefixes. Rank in Germany: #1671. Allocated: 2009-06-30.
IPv4 1IPv6 1
Announced prefixes · 2
- v4 91.213.36.0/24 valid
- v6 2001:67c:24::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 1 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 2 |
| 2026-06-13 | 2 |
AS topology · Customer cone 1
Providers · 1
- AS42184 TKRZ Stadtwerke GmbH