AS203786 WK-AS Patrick Westenberg trading as Westenberg + Kueppers GbR
🇩🇪Org handle: ORG-PWTA6-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
4total
1 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)3×10²⁶
Announced (BGP)1×10²⁸
Routing hygiene
Score 6/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 38/100
- All announced prefixes have a valid ROA and a matching IRR route object
Based on 4 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-24 | |
| Valid | RIPE | 2026-10-24 | |
| Valid | RIPE | 2026-10-24 | |
| Valid | RIPE | 2026-10-24 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2a01:e540:100::/40 | 🇩🇪 DE | RIPE | assigned |
All 4 announced prefixes of AS203786 →
BGP Neighbours
(seen in AS paths)Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/203786Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/203786" | jq