CKW Fiber Services AG

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks15 · 7,680 IPv4 addresses
IPv6 2 prefixes (largest 2a00:82c0::/32)
Cluster ID214407287
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
19 0 netblocks since 2026-07-05
2026-07-05 peak 19 2026-07-26

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.40.236.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
31.40.237.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
37.128.176.0/21 CKW Fiber Services AG BGP ANNOUNCED ● high
45.9.163.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
87.117.120.0/21 CKW Fiber Services AG BGP ANNOUNCED ● high
89.200.220.0/22 CKW Fiber Services AG BGP ANNOUNCED ● high
89.200.220.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
89.200.221.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
89.200.222.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
89.200.223.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
185.80.64.0/22 CKW Fiber Services AG BGP ANNOUNCED ● high
195.225.60.0/23 CKW Fiber Services AG BGP ANNOUNCED ● high
203.1.19.0/24 CKW Fiber Services AG BGP ANNOUNCED ● high
2a00:82c0::/32 CKW Fiber Services AG BGP ANNOUNCED ● high
2a0b:4200:2001::/48 CKW Fiber Services AG BGP ANNOUNCED ● high

IPv6 ranges (2)

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.2% of checked blocks have valid RPKI ROA coverage (16 of 19)
No discrepancies found among checked blocks.

NIC Handles

AS198433 DUMY-RIPE DUMY-RIPE LITECOM-MNT LITECOM-MNT NINE-MNT ORG-CFSA1-RIPE RIPE-NCC-HM-MNT SMARO-MNT ch-opacc-1-mnt ch-tailorit-1-mnt lir-ch-witcom-1-MNT +1 more