AS39563 UCSYSTEMS CTA Systems B.V.
🇳🇱Org handle: ORG-CSB11-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
10total
9 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)4,352
Announced (BGP)2,304
IPv6 Addresses
Allocated (RIR)7.9×10²⁹
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)10|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - |
Allocated Prefixes
(RIR)14Prefix | Country | RIR | Status |
|---|---|---|---|
| 85.8.131.0/24 | 🇳🇱 NL | RIPENCC | allocated |
| 185.80.8.0/22 | 🇳🇱 NL | RIPENCC | allocated |
| 185.80.8.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.80.9.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.80.10.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.80.11.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.231.16.0/22 | 🇳🇱 NL | RIPENCC | allocated |
| 185.231.16.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.231.17.0/24 | 🇳🇱 NL | RIPE | assigned |
| 185.231.18.0/24 | 🇳🇱 NL | RIPE | assigned |
1-10 of 14
1 / 2
All 10 announced prefixes of AS39563 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS39563 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS39563 passes on: usually its customers.
- AS35055WI Connect WI Connect B.V1
Other adjacent networks (1)
Adjacent to AS39563 in the transit part of AS paths: peers, providers or customers.
- AS6204ZET NET INTERKVM HOST1
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 AS39563 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/39563Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/39563" | jq