Arcus
BGP inherited
Cluster stats
| Netblocks | 9 · 536 IPv4 addresses |
| Registered in | Switzerland (3) · Germany (2) · Netherlands (2) · Bulgaria (1) |
| All fragments | 77 blocks across 27 clusters |
| Cluster ID | 208843456 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 77.85.199.64/29 | Arcus | RIPE | ASSIGNED PA | ● low |
| 176.94.242.24/29 | ARCUS-NET | RIPE | ASSIGNED PA | ● low |
| 185.181.204.116/31 | Arcus | RIPE | ASSIGNED PA | ● low |
| 185.181.204.173 – 185.181.204.174 | Arcus | RIPE | ASSIGNED PA | ● low |
| 188.172.121.76/30 | Arcus-NET | RIPE | ASSIGNED PA | ● low |
| 194.178.135.0/24 | ARCUS | RIPE | ASSIGNED PA | ● low |
| 195.169.181.0/24 | Arcus | RIPE | ASSIGNED PA | ● low |
| 217.193.169.200/29 | ARCUS-NET | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:fe01::/48 | ARCUS | RIPE | AGGREGATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(6 of 9)
Possible discrepancies (2)
These blocks are registered to Arcus 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:fe01::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 195.169.181.0/24 /24 | authorized for AS1103 — SURF B.V. |
NIC Handles
ARCOR-MNT
BT95-ADM
BTNET-MNT
CH-UNISOURCE-MNT
DUMY-RIPE
DUMY-RIPE
NLNET-MNT
SN-LIR-MNT
SURF-AUTO-MNT
WITCOM-MNT
ch-tinext-1-mnt