System NET Line
BGP inherited
Cluster stats
| Netblocks | 124 · 222,899 IPv4 addresses |
| Registered in | Czechia (27) · GE (24) · France (18) · Italy (15) · BA (7) · Russia (4) |
| Cluster ID | 208803667 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 51 shared RIR contact/maintainer handles |
| Registry names | 32 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
128
+2 netblocks since 2026-07-05
2026-07-05
peak 128
2026-07-19
IP Ranges (124)
showing 50 of 124 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.49.232.25/32 | System-Net SAS | PEERINGDB | ASSIGNED | ● high |
| 37.49.232.32/32 | System-Net SAS | PEERINGDB | ASSIGNED | ● high |
| 37.49.237.203/32 | System-Net SAS | PEERINGDB | ASSIGNED | ● high |
| 62.212.32.0/20 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 62.212.32.0/19 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 62.212.48.0/20 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 77.104.194.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 77.104.210.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 77.104.216.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 77.104.223.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 77.104.240.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 77.104.245.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 80.240.107.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 85.118.96.0/19 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 85.118.96.0/22 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 85.118.123.0/24 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 93.186.208.0/21 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 93.186.208.0/20 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 93.186.216.0/21 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 94.138.116.0/22 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 94.138.120.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 94.138.121.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 94.138.122.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 94.138.123.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 95.137.128.0/17 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 95.137.128.0/18 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 95.137.192.0/18 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 145.249.111.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 176.74.64.0/19 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 176.74.64.0/18 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 176.74.96.0/19 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 185.1.47.1/32 | System-Net SAS | PEERINGDB | ASSIGNED | ● high |
| 185.23.48.0/23 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 185.23.48.0/22 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 185.23.50.0/23 | System Net Ltd | BGP | ANNOUNCED | ● high |
| 185.64.128.0/22 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 185.64.128.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 185.64.129.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 185.64.130.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 185.64.131.0/24 | System-Net Sas | BGP | ANNOUNCED | ● high |
| 185.73.100.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.101.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.102.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.103.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.104.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.105.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.106.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.107.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.108.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
| 185.73.109.0/24 | System NET Line | RIPE | ASSIGNED PA | ● high |
Customer-delegated space
how is this classified?
Unclassified
116 (93.5%)
Operator infrastructure (named)
8 (6.5%)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
61.3%
of checked blocks have valid RPKI ROA coverage
(76 of 124)
Wholesale/transit re-announcements (33)
These blocks are registered to System NET Line but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.
| 2a00:2381:1f00::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 94.138.116.0/22 /22 | authorized for AS201476 — ISP Alliance a.s. |
| 185.167.184.0/23 /23 | authorized for AS201476 — ISP Alliance a.s. |
| 81.219.148.0/24 /24 | authorized for AS12741 — Netia SA |
| 77.104.245.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 77.104.210.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 77.104.216.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 94.138.122.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 94.138.120.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 94.138.123.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 185.73.100.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 185.73.101.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 185.73.102.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 185.73.103.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
| 185.73.104.0/24 /24 | authorized for AS201476 — ISP Alliance a.s. |
+18 more — see the REST API
NIC Handles
AL1665-AP
ALTITUDETELECOM-MNT
AS34797
AS50394
AS60427
AS60427
BTNET-MNT
COPROSYS-MNT
DUMY-RIPE
DUMY-RIPE
EGRISI-MNT
EGRISI-MNT
+39 more