Stack41, llc.
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 11 · 2,304 IPv4 addresses |
| IPv6 | 1 prefix (largest 2604:2240::/32) |
| Record ID | 241136907 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 50.227.99.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 148.59.37.0/24 | Stack41, llc. | ARIN | DIRECT ALLOCATION | ● high |
| 148.59.133.0/24 | Stack41, llc. | ARIN | DIRECT ALLOCATION | ● high |
| 161.38.16.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 161.38.16.0/22 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 161.38.17.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 161.38.18.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 161.38.19.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 162.223.125.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 207.166.139.0/24 | Stack41, llc. | BGP | ANNOUNCED | ● high |
| 2604:2240::/32 | Stack41, llc. | ARIN | DIRECT ALLOCATION | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2604:2240::/32 |
Footprint over time
13 weekly snapshots · JSON
15
+4 netblocks since 2026-07-05
2026-07-05
peak 15
2026-09-20
Network trust
what's this?
RPKI hygiene: F
how networks compare →
13.3%
of checked blocks have valid RPKI ROA coverage
(2 of 15)
No discrepancies found among checked blocks.
NIC Handles
AS394621
BROOK263-ARIN
BROOK263-ARIN
BROOK263-ARIN
BROOK263-ARIN
SL-747