SET-SQUARE
Cluster stats
| Netblocks | 7 |
| All fragments | 97 blocks across 36 clusters |
| Cluster ID | 192946110 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-06
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 1.179.144.48/30 | set-square | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 80.110.161.136/30 | SET-SQUARE-GMBH | RIPE | ASSIGNED PA | ● low |
| 81.131.25.56/29 | SET-SQUARE | RIPE | ASSIGNED PA | ● low |
| 212.41.243.60/30 | Set-Square-GmbH | RIPE | ASSIGNED PA | ● low |
| 213.229.54.28/30 | Set-Square-GmbH | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:36f2::/48 | SET-SQUARE | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:36f2::/56 | SET-SQUARE | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
Possible discrepancies (2)
These blocks are registered to SET-SQUARE 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.
| 2a00:2381:36f2::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
| 2a00:2381:36f2::/56 /56 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AT950-AP
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MAINT-TH-TOT
PRIO-MNT
ag100-ap
ws431-ap