$ query “AS58291” --type=asn → 1 result(s)
AS58291 · COLOCENTER
ColoCenter b.v.
AS58291 is operated by ColoCenter b.v. and serves as a mid-size transit provider, registered in the Netherlands since 2012. The system announces 7 424 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the Netherlands.
- 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
- June 15, 2012
- Last Changed
- June 01, 2026
- Last Seen
- June 08, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 7 / 7
- IPv6 Prefixes (raw / aggregated)
- 3 / 3
- IPv4 Addresses
- 7 424
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇳🇱 Netherlands (13 568 IPs)
- Prefix Changed
- April 11, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 99 networks exchanging traffic without transit
- Downstream Customers
- 5 downstreams buying transit
- Unclassified
- 5 unclassified BGP neighbors
- Degree
- 114 unique BGP neighbors
- Reach
- 92 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (7 total)
- 5.39.184.0/21 (2 048 addresses (/21 prefix))
- 45.11.28.0/22 (1 024 addresses (/22 prefix))
- 185.79.152.0/22 (1 024 addresses (/22 prefix))
- 185.102.68.0/22 (1 024 addresses (/22 prefix))
- 185.140.184.0/22 (1 024 addresses (/22 prefix))
- 213.156.28.0/22 (1 024 addresses (/22 prefix))
- 91.205.193.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2a02:f640::/29
- 2a0e:5700::/32
- 2001:67c:cdc::/48