$ query “AS49033” --type=asn → 1 result(s)
AS49033 · CRITICALCORE
Critical Core BV
AS49033 is run by Critical Core BV and is a residential access provider, established in the Netherlands in 2016. The system announces a respectable 14 592 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the Netherlands, with additional presence in the United Kingdom and Singapore.
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 04, 2016
- Last Changed
- October 03, 2026
- Last Seen
- October 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 15 / 15
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 14 592
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇳🇱 Netherlands (11 264 IPs), 🇬🇧 United Kingdom (3 072 IPs), 🇸🇬 Singapore (256 IPs)
- Prefix Changed
- September 22, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 64 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 4 unclassified BGP neighbors
- Degree
- 73 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (15 total)
- 45.8.236.0/22 (1 024 addresses (/22 prefix))
- 68.64.204.0/22 (1 024 addresses (/22 prefix))
- 94.46.216.0/22 (1 024 addresses (/22 prefix))
- 103.66.56.0/22 (1 024 addresses (/22 prefix))
- 103.104.60.0/22 (1 024 addresses (/22 prefix))
- 113.212.72.0/22 (1 024 addresses (/22 prefix))
- 185.91.92.0/22 (1 024 addresses (/22 prefix))
- 185.116.144.0/22 (1 024 addresses (/22 prefix))
- 185.166.88.0/22 (1 024 addresses (/22 prefix))
- 185.171.48.0/22 (1 024 addresses (/22 prefix))
- 185.232.160.0/22 (1 024 addresses (/22 prefix))
- 185.238.108.0/22 (1 024 addresses (/22 prefix))
- 204.8.80.0/22 (1 024 addresses (/22 prefix))
- 216.152.64.0/22 (1 024 addresses (/22 prefix))
- 95.143.97.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a0f:dcc0::/29
- 2a0f:ddc0::/29