2a10:fa81:1f00::/40 - JWDB Willem Jan Cornelis De Bruyn (AS219101)
CIDR
2a10:fa81:1f00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇳🇱 The Netherlands
City
Leiden
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a10:fa81:1f00::/48 | AS219101 JWDB-AS Willem Jan Cornelis de Bruyn | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 2a10:fa81:1f00::/48 | AS219101 | 🇳🇱NL | assigned |
Related Prefixes
Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/2a10:fa81:1f00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a10:fa81:1f00::/40" | jq
External Links