AS203135
CTNET B.V.
AS203135 is CTNET B.V. (ctnet.nl). It announces 512 IPv4 addresses in 2 prefixes, and 1 IPv6 prefix.
The Netherlands· RIPE· allocated 2025-12-05· isp
512
IPv4 addresses announced
2
IPv4 prefixes
1
IPv6 prefix
100.00%
of its routes RPKI-valid
512
of its IPv4 geolocated
1
country
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 Netherlands512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CTNET
- name
- CTNET B.V.
- org
- ORG-CB270-RIPE
- org name
- CTNET B.V.
- org address
- Meerweg 143, 9752 XA, Haren, NETHERLANDS
- org country
- NL
- country
- NL
- source
- ripe
- status
- ASSIGNED
- created
- 2025-12-05
- updated
- 2025-12-11
- remarks
- -- --------------- Transits -- --------------- / OSSO / ViaData
- maintainer
- RIPE-NCC-END-MNT|CTNET-MNT
- abuse name
- CTNET.nl Abuse
- abuse email
- abuse@ctnet.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.
- 0.20%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.20%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 185.45.148.0/24 | The Netherlands | valid | 16 | 2026-10-02 |
| 193.189.89.0/24 | The Netherlands | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a13:bdc0::/29 | The Netherlands | valid | 19 | 2026-10-02 |
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01 · License
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