AS203520
Xantaro Holding GmbH Education registered in Germany
2IPv4 prefixes
2IPv6 prefixes
100%RPKI-valid
#58,049AS Rank
327/327RIS visibility
#1,074Rank in Germany
2015-12-18Allocated
Xantaro Holding GmbH (AS203520) — Education, registered in Germany. announces 2 IPv4 prefixes + 2 IPv6 prefixes. Rank in Germany: #1074. Allocated: 2015-12-18.
IPv4 2IPv6 2
Announced prefixes · 4
- v4 185.16.196.0/24 valid
- v4 185.16.199.0/24 valid
- v6 2a03:dfc0:3::/48 valid
- v6 2a03:dfc0::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 2 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 4 |
| 2026-06-13 | 4 |
AS topology · Customer cone 1
Providers · 1
- AS13237 euNetworks GmbH