CKW Fiber Services AG
AS198433 is CKW Fiber Services AG (ckw.ch). It announces 7,936 IPv4 addresses in 14 prefixes, and 2 IPv6 prefixes.
Switzerland· RIPE· allocated 2012-01-26· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Switzerland7,936 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CFS
- name
- CKW Fiber Services AG
- org
- ORG-CFSA1-RIPE
- org name
- CKW Fiber Services AG
- org address
- Taeschmattstrasse 4, 6015, Luzern, SWITZERLAND
- org country
- CH
- country
- CH
- source
- ripe
- status
- ASSIGNED
- created
- 2012-01-26
- updated
- 2023-02-17
- remarks
- * T R A N S I T * / * C U S T O M E R - P E E R I N G *
- maintainer
- RIPE-NCC-END-MNT|LITECOM-MNT
- abuse name
- Litecom Network Operations
- abuse email
- abuse@litecom.ch
- 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 IP323sophos, watchguard4.07%
- dataimpulse, jkcl_rabbit0.04%
- None here
- None here
- None here
- None here
- Hosting IP2,30429.03%
- None here
- None here
- None here
- SSH IP410.52%
- SMTP IP270.34%
- 0.06%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 31.40.236.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 31.40.237.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 37.128.176.0/21 | Switzerland | valid | 17 | 2026-10-02 |
| 45.9.163.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 87.117.120.0/21 | Switzerland | valid | 17 | 2026-10-02 |
| 89.200.220.0/22 | Switzerland | valid | 17 | 2026-10-02 |
| 89.200.220.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 89.200.221.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 89.200.222.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 89.200.223.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 185.80.64.0/22 | Switzerland | valid | 17 | 2026-10-02 |
| 193.135.219.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 195.225.60.0/23 | Switzerland | valid | 17 | 2026-10-02 |
| 203.1.19.0/24 | Switzerland | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a00:82c0::/32 | Switzerland | valid | 20 | 2026-10-02 |
| 2a0b:4200:2001::/48 | Switzerland | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.