2a01:7d20:2000::/40 - RYZNAR Jan Ryznar (AS203645)
CIDR
2a01:7d20:2000::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇨🇿 Czechia
City
Olšany
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a01:7d20:2000::/40 | AS203645 RYZNAR-AS Jan Ryznar | No ROA | - | 2026-10-11 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a01:7d20:2011::/48 | AS203645 RYZNAR-AS Jan Ryznar | No ROA | - | 2026-10-11 |
Origin ASN
AS203645
RYZNAR-AS Jan Ryznar
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 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/2a01:7d20:2000::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a01:7d20:2000::/40" | jq
External Links