arcos V6
ARCOS-NET
Registry
Cluster stats
| Netblocks | 6 · 1,544 IPv4 addresses |
| Registered in | Switzerland (1) · Germany (1) · Spain (1) · Russia (1) |
| All fragments | 18 blocks across 9 clusters |
| Cluster ID | 208874142 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-12
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 195.3.212.0/22 | arcos | RIPE | ASSIGNED PI | ● medium |
| 2001:67c:2378::/48 | arcosV6 | RIPE | ASSIGNED PI | ● medium |
| 194.209.16.24/29 | ARCOS-NET | RIPE | ASSIGNED PA | ● low |
| 212.48.134.64/30 | ARCOS-NET | RIPE | ASSIGNED PA | ● low |
| 212.85.242.0/23 | Arcos | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:f4af::/48 | ARCOS | RIPE | AGGREGATED-BY-LIR | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “ARCOS” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- arcos informationssysteme GmbH 3 blocks
- ARCOS-FM-CZ 3 blocks
- ARCOS-FACILITY-MANAGEMENT-WEIMAR-NET 1 blocks
- ARCOS-FACILITY-MANAGEMENT-WEIMAR-NET2 1 blocks
- ARCOS-HK 1 blocks
- ARCOS-TRANSIT 1 blocks
- ARCOS-FACILITY-MANAGEMENT-WEIMAR-NET4 1 blocks
- ARCOS-FACILITY-MANAGEMENT-WEIMAR-NET3 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- VARCOSPAVENDITAAUTOVEICOLIRICA sub-allocation
- ARCOSOFT-NET via Hutchison Drei Austria GmbH sub-allocation
- ARCOS-FACILITY-MANAGEMENT-WEIMAR-NET3 via Deutsche Telekom AG sub-allocation
- MARCOS-BEST sub-allocation
- ARCOSSOCCOOPARL sub-allocation
- parcoscientifico-it via BT Italia S.p.A. sub-allocation
- UNIFARCOSRL sub-allocation
- BOTTOMARCOSNC sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (2)
These blocks are registered to arcos V6 but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:f4af::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 212.85.242.0/23 /23 | authorized for AS50563 — Onlycable Comunicaciones S.L. |
NIC Handles
ARCOS-MNT
BTNET-MNT
CH-UNISOURCE-MNT
DUMY-RIPE
DUMY-RIPE
ONLYCABLE-MNT
ORG-aiG5-RIPE
RIPE-NCC-END-MNT
TI-MNT