AS20559 FUNDAMENTS-AS Fundaments B.V.
🇳🇱Org handle: ORG-FB55-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
38total
31 IPv47 IPv6
IPv4 Addresses
Allocated (RIR)34,048
Announced (BGP)34,560
IPv6 Addresses
Allocated (RIR)2.1×10³⁰
Announced (BGP)1.5×10³⁰
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
50
Country
🇳🇱 NLRIR
RIPE NCCStatus
allocated
Allocated
2015-08-13
Announced Prefixes
(BGP)38|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| No ROA | RIPE | - | |
| Valid | RIPE | - |
1-10 of 38
1 / 4
Allocated Prefixes
(RIR)37Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.172.40.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 31.200.208.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 37.220.168.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 45.13.164.0/22 | 🇳🇱 NL | RIPENCC | allocated |
| 45.133.196.0/22 | 🇳🇱 NL | RIPENCC | allocated |
| 45.146.124.0/22 | 🇳🇱 NL | RIPENCC | allocated |
| 46.19.216.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 46.226.88.0/21 | 🇳🇱 NL | RIPENCC | allocated |
| 78.31.112.0/21 | 🇳🇱 NL | RIPENCC | assigned |
| 85.209.108.0/22 | 🇳🇱 NL | RIPENCC | allocated |
1-10 of 37
1 / 4
All 38 announced prefixes of AS20559 →
BGP Neighbours
(seen in AS paths)Upstreams (5)
Networks AS20559 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS20559 passes on: usually its customers.
- AS39390Mainfreight Holding BV1
ASPA
No ASPA
Abuse Contact
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 AS20559 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/20559Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/20559" | jq