ColoCenter b.v.
AS58291 is ColoCenter b.v. (colocenter.nl). It announces 8,192 IPv4 addresses in 13 prefixes, and 3 IPv6 prefixes.
The Netherlands· RIPE· allocated 2012-06-15· hosting
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- The Netherlands6,400 · 78.13%
- Germany1,280 · 15.63%
- United Kingdom256 · 3.13%
- United States256 · 3.13%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ColoCenter
- name
- ColoCenter b.v.
- org
- ORG-Cb42-RIPE
- org name
- ColoCenter b.v.
- org address
- Heliumstraat 200, 2718 RS, Zoetermeer, NETHERLANDS
- org country
- NL
- country
- NL
- source
- ripe
- status
- ASSIGNED
- created
- 2012-06-15
- updated
- 2026-05-27
- maintainer
- RIPE-NCC-END-MNT|mnt-colo
- abuse name
- Abuse-C Role
- abuse email
- abuse@colocenter.nl
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP131draytek, watchguard, alliedtelesis1.60%
- proxyseller, anyip, geonode0.15%
- floppydata0.01%
- None here
- 0.01%
- None here
- Hosting IP5,12062.50%
- None here
- None here
- None here
- SSH IP1371.67%
- SMTP IP670.82%
- 0.84%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 5.39.184.0/21 | The Netherlands | valid | 17 | 2026-10-02 |
| 5.253.237.0/24 | Germany | valid | 17 | 2026-10-02 |
| 23.230.52.0/24 | United States | valid | 17 | 2026-10-02 |
| 45.43.153.0/24 | United Kingdom | valid | 17 | 2026-10-02 |
| 45.141.20.0/24 | Germany | valid | 17 | 2026-10-02 |
| 85.208.49.0/24 | Germany | valid | 17 | 2026-10-02 |
| 91.205.193.0/24 | The Netherlands | valid | 17 | 2026-10-02 |
| 104.165.118.0/24 | Germany | valid | 17 | 2026-10-02 |
| 156.67.120.0/24 | Germany | valid | 17 | 2026-10-02 |
| 185.79.152.0/22 | The Netherlands | valid | 17 | 2026-10-02 |
| 185.102.68.0/22 | The Netherlands | valid | 17 | 2026-10-02 |
| 185.140.184.0/22 | The Netherlands | valid | 17 | 2026-10-02 |
| 213.156.28.0/22 | The Netherlands | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:cdc::/48 | The Netherlands | not found | 20 | 2026-10-02 |
| 2a01:4c01::/32 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a02:f640::/29 | The Netherlands | valid | 20 | 2026-10-02 |
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