NET CH Dosim SA

NET-CH-Dosim-SA
Data as of 2026-09-20
Registry
This organisation
Netblocks4
IPv6 2 prefixes (largest 2001:920:6843:1f00::/56)
Record ID241094904
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.23.250.8/29 NET-CH-Dosim-SA RIPE ASSIGNED PA ● low
212.203.115.112/29 NET-CH-Dosim-SA RIPE ASSIGNED PA ● low
2001:920:6843:1f00::/56 NET-CH-Dosim-SA RIPE ASSIGNED ● low
2001:920:6843:2300::/56 NET-CH-Dosim-SA RIPE ASSIGNED ● low

IPv6 ranges (2)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (4 of 4)
Possible discrepancies (2)

These blocks are registered to NET CH Dosim SA but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:920:6843:1f00::/56 /56 authorized for AS8220 — COLT Technology Services Group Limited
2001:920:6843:2300::/56 /56 authorized for AS8220 — COLT Technology Services Group Limited

NIC Handles

COLT-CH-MNT DUMY-RIPE DUMY-RIPE