AS47121 SenseMakers B.V. 🇳🇱 NL
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
5
transit providers observed
Peers
9
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS47121
- Name
- SenseMakers B.V.
- Organisation
- SenseMakers
- Country
- 🇳🇱 NL
- RIR
- RIPENCC
- Allocated
- 2008-04-29
- Scope
- Not Disclosed
- PeeringDB
- net/11351
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 195.245.236.0/24 v4 | no ROA | 42 | 3772147121 | 2026-09-18 |
| 2001:678:2c8::/48 v6 | no ROA | 34 | 20409247121 | 2026-09-18 |