Grand Central Networks Inc.
Data as of 2026-08-16
Handle
Cluster stats
| Netblocks | 7 · 1,536 IPv4 addresses |
| All fragments | 13 blocks across 5 clusters |
| Cluster ID | 225053613 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
7
+1 netblocks since 2026-07-05
2026-07-05
peak 7
2026-08-16
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 50.31.163.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
| 74.201.43.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
| 172.81.88.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
| 172.81.88.0/22 | Grand Central Networks Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 172.81.89.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
| 172.81.90.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
| 172.81.91.0/24 | Grand Central Networks Inc. | BGP | ANNOUNCED | ● high |
NIC Handles
AS10493
GCN-13
SF509-ARIN
SF509-ARIN
SF509-ARIN