AS25151 CYSO-AS Cyso Group B.V.
🇳🇱Org handle: ORG-CMH1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
28total
25 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)21,504
Announced (BGP)22,016
IPv6 Addresses
Allocated (RIR)7.1×10²⁹
Announced (BGP)7.1×10²⁹
Announced Prefixes
(BGP)28|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| No ROA | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| No ROA | RIPE | - | |
| No ROA | RIPE | - | |
| Valid | RIPE | - | |
| Valid | - | - | |
| Valid | RIPE | - |
1-10 of 28
1 / 3
Allocated Prefixes
(RIR)29Prefix | Country | RIR | Status |
|---|---|---|---|
| 2.57.56.0/24 | 🇳🇱 NL | RIPE | assigned |
| 37.46.136.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 37.46.140.0/24 | 🇳🇱 NL | RIPE | assigned |
| 37.72.138.0/24 | 🇳🇱 NL | RIPENCC | allocated |
| 45.134.223.0/24 | 🇳🇱 NL | RIPE | assigned |
| 46.253.137.0/24 | 🇳🇱 NL | RIPENCC | allocated |
| 62.129.133.0/24 | 🇳🇱 NL | RIPE | assigned |
| 62.129.139.0/24 | 🇳🇱 NL | RIPENCC | allocated |
| 62.129.149.0/24 | 🇳🇱 NL | RIPENCC | allocated |
| 80.85.160.0/23 | 🇳🇱 NL | RIPE | assigned |
1-10 of 29
1 / 3
All 28 announced prefixes of AS25151 →
BGP Neighbours
(seen in AS paths)Upstreams (4)
Networks AS25151 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (2)
Networks whose own prefixes AS25151 passes on: usually its customers.
ASPA
No ASPA
Abuse Contact
+31205354444
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
- ASPA explainedWhy AS25151 should publish an ASPA object
- 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/25151Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/25151" | jq