AS50917 DIEDERIK-AS Diederik Focko de Zee
🇳🇱Org handle: ORG-DFDZ1-RIPE
backbone.direct AS50917 T2 transit network
RIPE NCCallocated
Announced Prefixes (BGP)
5total
3 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)768
Announced (BGP)768
IPv6 Addresses
Allocated (RIR)2.4×10²⁴
Announced (BGP)2.4×10²⁴
Routing hygiene
Score 11/100 · Low riskRPKI ROA coverage
75%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 63/100
- 25% of announced prefixes (1 of 4) have no valid ROA
Based on 4 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)5|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| No ROA | RIPE | - | |
| No ROA | RIPE | - |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 45.152.39.0/24 | 🇳🇱 NL | RIPE | assigned |
| 89.37.98.0/24 | 🇳🇱 NL | RIPE | assigned |
| 103.141.12.0/24 | 🇳🇱 NL | RIPE | assigned |
| 2001:678:7ec::/48 | 🇳🇱 NL | RIPENCC | assigned |
| 2a10:9903:201::/48 | 🇳🇱 NL | RIPE | assigned |
All 5 announced prefixes of AS50917 →
Downstream Customers(15)
| ASN | Name |
|---|---|
| AS27523 | 🇺🇸KAWAII-NETWORKS - Kawaii Networks LLC |
| AS60431 | 🇬🇧PNO-AS PNO Solutions Limited |
| AS208258 | 🇳🇱Access2IT Access2.IT Group B.V. |
| AS210645 | 🇵🇱Dominik_Dobrowolski DOMINIK DOBROWOLSKI |
| AS212635 | 🇳🇱AS212635 Jurrian van Iersel |
| AS214757 | 🇨🇿Jakub-Krsa Jakub Krsa |
| AS214809 | 🇫🇮Stocade Jere Kiitola trading as Stocade |
| AS215248 | 🇳🇱BastiaanBrink Bastiaan Mathijs Brink |
| AS215296 | 🇳🇱LOWPING-NL Raoul Brouns is trading as LowPing NL |
| AS215318 | 🇳🇱Netralex Josha Prior trading as Netralex |
| AS215370 | 🇳🇱WASABI-AS Thomas Sebastiaan Viet trading as Wasabi Hosting |
| AS215685 | 🇩🇪Nexus Maik Sussdorf |
| AS216333 | 🇩🇪AS-NETDEV NetDev UG (haftungsbeschraenkt) |
| AS396064 | 🇺🇸BASTIAAN MATHIJS BRINK - H2 Technologies LLC |
| AS402338 | 🇺🇸BRINKLINK - BrinkLink |
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS50917 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (19)
Networks whose own prefixes AS50917 passes on: usually its customers.
- AS200566ANARCHY LAB ANARCHY LAB S.R.L95
- AS216078KREMER Liam Kremer43
- AS214481Wczapkowicz Wojciech Czapkowicz11
- AS14054Purple Computer North America6
- AS201949SEEDTECHNOLOGIES Seed Technologies6
- AS208258Access2IT Access2.IT Group B.V4
- AS214677DeluxHost Matteo Martelloni Trading DELUXHOST4
- AS60431PNO Solutions Limited2
- AS198055HavenRacks2
- AS209094TBBV Technoberg Beheer B.V2
- AS212591PLTFRMS N1 Solutions B.V. Trading PLTFRMS2
- AS215318Netralex Josha Prior Trading Netralex2
- AS21478PLEX BV1
- AS210645Dominik Dobrowolski DOMINIK DOBROWOLSKI1
- AS213619NETBELA Tom Emming Trading As Netbela1
- AS214757Jakub Krsa Jakub Krsa1
- AS215370WASABI Thomas Sebastiaan Viet Trading As Wasabi Hosting1
- AS216333NETDEV UG (Haftungsbeschraenkt)1
- AS219180InterLIRASN InterLIR1
Other adjacent networks (9)
Adjacent to AS50917 in the transit part of AS paths: peers, providers or customers.
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
- How to run an ASPA checkVerify the upstream providers listed above
- 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/50917Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/50917" | jq