81.24.10.0/23 - CYSO Group B.V (AS25151)
CIDR
81.24.10.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇳🇱 The Netherlands
City
Alkmaar
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.24.10.0/23 | AS25151 CYSO-AS Cyso Group B.V. | Valid | - | 2026-10-11 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.24.0.0/20 | AS25151 CYSO-AS Cyso Group B.V. | Valid | - | 2026-10-11 |
| 81.24.8.0/22 | AS25151 CYSO-AS Cyso Group B.V. | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 81.24.10.0/23, blocks inside it, or blocks containing it.
- 81.24.0.0/20Transfer ·
- 81.24.0.0/20M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.24.0.0/20 | Fuga b.v. | Cyso Group B.V. | Transfer | |
| 81.24.0.0/20 | SQR B.V. | Fuga b.v. | M&A |
Origin ASN
AS25151
CYSO-AS Cyso Group B.V.
Related Prefixes
More prefixes of AS25151
All prefixes of AS25151 →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/81.24.10.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.24.10.0/23" | jq
External Links