HAMMERHEAD DIVE S.A.
BGP inherited
Cluster stats
| Netblocks | 11 |
| Cluster ID | 191574231 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
11
+1 netblocks since 2026-07-05
2026-07-05
peak 11
2026-07-12
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.226.24.0/22 | AS266820 | BGP | ANNOUNCED | ● high |
| 23.227.68.0/22 | AS266820 | BGP | ANNOUNCED | ● high |
| 45.237.84.0/22 | AS266820 | BGP | ANNOUNCED | ● high |
| 107.166.4.0/22 | AS266820 | BGP | ANNOUNCED | ● high |
| 107.166.8.0/22 | AS266820 | BGP | ANNOUNCED | ● high |
| 2803:84a0::/32 | UNKNOWN | LACNIC | allocated | ● high |
| 2803:84a0::/32 | AS266820 | BGP | ANNOUNCED | ● high |
| 2803:84a0::/36 | UNKNOWN | LACNIC | reallocated | ● medium |
| 2803:84a0:5000::/36 | UNKNOWN | LACNIC | reallocated | ● medium |
| 2803:84a0:c000::/36 | UNKNOWN | LACNIC | reallocated | ● medium |
| 2803:84a0:f000::/36 | UNKNOWN | LACNIC | reallocated | ● medium |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
81.8%
of checked blocks have valid RPKI ROA coverage
(9 of 11)
Possible discrepancies (9)
These blocks are registered to HAMMERHEAD DIVE S.A. 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.
| 2803:84a0::/36 /36 | authorized for AS266820 — AS266820 |
| 2803:84a0:5000::/36 /36 | authorized for AS266820 — AS266820 |
| 2803:84a0:c000::/36 /36 | authorized for AS266820 — AS266820 |
| 2803:84a0:f000::/36 /36 | authorized for AS266820 — AS266820 |
| 23.226.24.0/22 /22 | authorized for AS266820 — AS266820 |
| 23.227.68.0/22 /22 | authorized for AS266820 — AS266820 |
| 45.237.84.0/22 /22 | authorized for AS266820 — AS266820 |
| 107.166.4.0/22 /22 | authorized for AS266820 — AS266820 |
| 107.166.8.0/22 /22 | authorized for AS266820 — AS266820 |
NIC Handles
AS266820