$ query “AS61429” --type=asn → 1 result(s)
AS61429 · AS-CASTOR
Castor Marine B.V.
AS61429 is owned by Castor Marine B.V. and is an enterprise stub network, registered in the Netherlands since 2012. The system announces 5 120 IPv4 addresses. Most of its address space is geolocated to the Netherlands, with additional presence in the United Kingdom and France, and a smaller footprint in another country. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 12, 2012
- Last Changed
- September 10, 2026
- Last Seen
- October 23, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 19 / 14
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 5 120
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Geolocated Countries
- 🇳🇱 Netherlands (4 352 IPs), 🇬🇧 United Kingdom (256 IPs), 🇫🇷 France (256 IPs) and 1 more
- Prefix Changed
- May 26, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Degree
- 3 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (19 total)
- 185.6.108.0/22 (1 024 addresses (/22 prefix))
- 62.41.20.0/23 (512 addresses (/23 prefix))
- 81.23.240.0/23 (512 addresses (/23 prefix))
- 92.71.10.0/23 (512 addresses (/23 prefix))
- 38.125.107.0/24 (256 addresses (/24 prefix))
- 62.41.2.0/24 (256 addresses (/24 prefix))
- 62.41.10.0/24 (256 addresses (/24 prefix))
- 62.41.59.0/24 (256 addresses (/24 prefix))
- 62.41.60.0/24 (256 addresses (/24 prefix))
- 92.71.15.0/24 (256 addresses (/24 prefix))
- 92.71.16.0/24 (256 addresses (/24 prefix))
- 92.71.19.0/24 (256 addresses (/24 prefix))
- 92.71.20.0/24 (256 addresses (/24 prefix))
- 92.71.22.0/24 (256 addresses (/24 prefix))