AS50754 C2D System House Luxembourg SA
IPv4 addresses
768
IPv6 /48 networks
196,608
RPKI
6 valid0 no ROA
Peers and downstreams
8
Holder
- AS name
- C2D
- Description
- ----
- Organisation
- C2D System House Luxembourg SA
- Abuse contact
- abuse@c2d.lu
- Assigned
- 2016-01-12
- Registered
- 2016-01-13
- Record last changed
- 2026-10-02 07:03 UTC
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade A · 90/100| pass | Prefixes covered by valid ROAs 6 of 6 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 3 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 2 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@c2d.lu is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| pass | Registry record maintained Last changed 2026-10-02. |
5/5 |
Routing changes
Last 30 days| 2026-10-04 13:10 UTC | Neighbour gone | AS6696 | upstream |
| 2026-10-04 13:10 UTC | Neighbour gone | AS174 | upstream |
| 2026-10-04 13:10 UTC | Relationship changed | AS34019 | upstream to peer |
| 2026-10-04 13:10 UTC | Relationship changed | AS25091 | upstream to peer |
| 2026-10-04 13:10 UTC | Relationship changed | AS20766 | upstream to peer |
WHOIS
aut-num: AS50754 as-name: C2D org: ORG-CSHL1-RIPE descr: ---- admin-c: SW4902-RIPE tech-c: NM6512-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: C2D-MNT created: 2016-01-13T14:14:34Z last-modified: 2026-10-02T07:03:56Z source: RIPE % 16 routing policy lines (import/export) not shown