SPMZT
BGP inherited
Cluster stats
| Netblocks | 6 |
| All fragments | 11 blocks across 6 clusters |
| Cluster ID | 211791096 |
| Registry | PEERINGDB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 3 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
2026-07-13
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.239.119.170/32 | SPMZT | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:13::a521:4145:1/128 | SPMZT | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:ca:1:0:21:4145:1/128 | SPMZT | PEERINGDB | ASSIGNED | ● high |
| 2a01:e140::/48 | SPMZT | RIPE | ASSIGNED | ● medium |
| 2a01:e140:a::/48 | SPMZT | RIPE | ASSIGNED | ● medium |
| 2a01:e140:b::/48 | MOSTAFA-KHOSHNOOD | RIPE | ASSIGNED | ● medium |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “SPMZT” — 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.
- SPMZT-EUROPE-CH 1 blocks
- SPMZT-NORTH-AMERICA-ANYCAST 1 blocks
- SPMZT-NORTH-AMERICA-US 1 blocks
- SPMZT-EUROPE-NL 1 blocks
- SPMZT-EUROPE-ANYCAST 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.
- SPMZT-NORTH-AMERICA-ANYCAST via Seyed Pouria Mousavizadeh Tehrani sub-allocation
- SPMZT-NORTH-AMERICA-US via Seyed Pouria Mousavizadeh Tehrani sub-allocation
- SPMZT-EUROPE-ANYCAST via Seyed Pouria Mousavizadeh Tehrani 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 (3)
These blocks are registered to SPMZT 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.
| 2a01:e140::/48 /48 | authorized for AS214145 — Seyed Pouria Mousavizadeh Tehrani |
| 2a01:e140:a::/48 /48 | authorized for AS214145 — Seyed Pouria Mousavizadeh Tehrani |
| 2a01:e140:b::/48 /48 | authorized for AS214145 — Seyed Pouria Mousavizadeh Tehrani |
NIC Handles
AR76883-RIPE
AS214145
DUMY-RIPE
DUMY-RIPE
lir-ir-pmousavizadeh-1-MNT