$ query “AS44103” --type=asn → 1 result(s)
AS44103 · BAKKER-IT-AS
The Mastermind Holding B.V.
AS44103 belongs to The Mastermind Holding B.V. and is a mid-size transit provider, based in the Netherlands since 2018. The system announces 3 072 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the Netherlands, with additional presence in the United Kingdom.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 24, 2018
- Last Changed
- May 01, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 11
- IPv6 Prefixes (raw / aggregated)
- 8 / 4
- IPv4 Addresses
- 3 072
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇳🇱 Netherlands (3 840 IPs), 🇬🇧 United Kingdom (1 024 IPs)
- Prefix Changed
- April 16, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 51 networks exchanging traffic without transit
- Downstream Customers
- 9 downstreams buying transit
- Unclassified
- 22 unclassified BGP neighbors
- Degree
- 88 unique BGP neighbors
- Reach
- 10 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (12 total)
- 178.18.154.0/23 (512 addresses (/23 prefix))
- 45.43.66.0/24 (256 addresses (/24 prefix))
- 45.93.119.0/24 (256 addresses (/24 prefix))
- 45.139.163.0/24 (256 addresses (/24 prefix))
- 77.90.23.0/24 (256 addresses (/24 prefix))
- 178.218.145.0/24 (256 addresses (/24 prefix))
- 185.150.96.0/24 (256 addresses (/24 prefix))
- 185.249.217.0/24 (256 addresses (/24 prefix))
- 188.65.164.0/24 (256 addresses (/24 prefix))
- 193.105.177.0/24 (256 addresses (/24 prefix))
- 194.87.78.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (8 total)
- 2a07:2c00::/29
- 2a0e:fd40::/29
- 2a11:2::/32
- 2a0e:46c3:700::/40