AS51191
Core-Backbone GmbH Unknown registered in Germany
8IPv4 prefixes
113IPv6 prefixes
98%RPKI-valid
#36,463AS Rank
#31Rank in Germany
2011-02-07Allocated
Core-Backbone GmbH (AS51191) — Unknown, registered in Germany. announces 8 IPv4 prefixes + 113 IPv6 prefixes. Rank in Germany: #31. Allocated: 2011-02-07.
IPv4 8IPv6 113
Announced prefixes · 121
- v6 2a06:4b01:3566::/48 valid
- v6 2a06:4b01:3567::/48 valid
- v6 2a06:4b01:3568::/48 valid
- v6 2a06:4b01:3569::/48 valid
- v6 2a06:4b01:356a::/48 valid
- v6 2a06:4b01:356b::/48 valid
- v6 2a06:4b01:356c::/48 valid
- v6 2a06:4b01:356d::/48 valid
- v6 2a06:4b01:356e::/48 valid
- v6 2a06:4b01:356f::/48 valid
- v6 2a06:4b01:3570::/48 valid
- v6 2a06:4b01:3571::/48 valid
- v6 2a06:4b01:3572::/48 valid
- v6 2a06:4b01:3573::/48 valid
- v6 2a06:4b01:3574::/48 valid
- v6 2a06:4b01:3575::/48 valid
- v6 2a06:4b01:3576::/48 valid
- v6 2a06:4b01:3577::/48 valid
- v6 2a06:4b01:3578::/48 valid
- v6 2a06:4b01:3579::/48 valid
- v6 2a06:4b01:357a::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-21
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 195 |
| 2026-06-13 | 195 |
| 2026-06-14 | 195 |
| 2026-06-19 | 121 |
AS topology · Customer cone 1
Providers · 1
- AS33891 Core-Backbone
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