2a04:5b81:2100::/40 - BGP Prefix
IPv6RIPEassigned RPKI Valid
CIDR
2a04:5b81:2100::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇩🇪 Germany
City
Frankfurt am Main
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| 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
9 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a04:5b81:2121::/48 | AS16509 AMAZON-02 - Amazon.com, Inc. | Valid | - | 2026-10-26 |
| 2a04:5b81:2122::/48 | AS16509 AMAZON-02 - Amazon.com, Inc. | Valid | - | 2026-10-26 |
| 2a04:5b81:2190::/48 | AS20473 AS-VULTR - The Constant Company, LLC | Valid | - | 2026-10-26 |
| 2a04:5b81:21c0::/44 | AS214784 MARCERNSTBERGER-AS Marc Ernstberger | Valid | - | 2026-10-26 |
| 2a04:5b81:21c0::/46 | AS214784 MARCERNSTBERGER-AS Marc Ernstberger | Valid | - | 2026-10-26 |
| 2a04:5b81:21c4::/46 | AS214784 MARCERNSTBERGER-AS Marc Ernstberger | Valid | - | 2026-10-26 |
| 2a04:5b81:21cd::/48 | AS214784 MARCERNSTBERGER-AS Marc Ernstberger | Valid | - | 2026-10-26 |
| 2a04:5b81:21cf::/48 | AS214784 MARCERNSTBERGER-AS Marc Ernstberger | Valid | - | 2026-10-26 |
| 2a04:5b81:21d0::/44 | AS213423 Haitse Lukas Hagen | Valid | - | 2026-10-26 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2a04:5b81:2100::/40 | AS20473 | /48 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 2a04:5b81:2120::/44 | 🇱🇰LK | assigned | |
| 2a04:5b81:2140::/44 | 🇩🇪DE | assigned | |
| 2a04:5b81:21c0::/44 | AS214784 | 🇩🇪DE | assigned |
| 2a04:5b81:21c0::/48 | AS214784 | 🇩🇪DE | assigned |
| 2a04:5b81:21c1::/48 | AS214784 | 🇩🇪DE | assigned |
| 2a04:5b81:21d0::/44 | AS213423 | 🇩🇪DE | assigned |
Transfer History
Registry transfers of 2a04:5b81:2100::/40, blocks inside it, or blocks containing it.
- 2a04:5b80::/29Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 2a04:5b80::/29 | Smart Internet Solutions UG (haftungsbeschraenkt) | InterWebs Ltd. | Transfer |
Geolocation
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/2a04:5b81:2100::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a04:5b81:2100::/40" | jq
External Links