AS219251 Walther Tomasz Walter
🇵🇱Org handle: ORG-TWTA1-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
2total
0 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)0
IPv6 Addresses
Allocated (RIR)2×10²⁵
Announced (BGP)2×10²⁵
Routing hygiene
Score 5/100 · 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 50/100
- All announced prefixes have a valid ROA and a matching IRR route object
Based on 2 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-25 | |
| Valid | RIPE | 2026-10-25 |
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 2a06:9801:7df::/48 | 🇵🇱 PL | RIPE | assigned |
| 2a0b:4e07:260::/44 | 🇵🇱 PL | RIPE | assigned |
All 2 announced prefixes of AS219251 →
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/219251Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/219251" | jq