Southwestern Bell Mobile Systems
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 6 · 6,400 IPv4 addresses |
| Also registered under this name | 7 netblocks across 2 separate records |
| Record ID | 238789911 |
| Registry | ARIN |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 198.51.161.0/24 | Southwestern Bell Mobile Systems | ARIN | DIRECT ALLOCATION | ● high |
| 198.100.8.0/21 | Southwestern Bell Mobile Systems | ARIN | DIRECT ALLOCATION | ● high |
| 198.100.8.0/24 | Southwestern Bell Mobile Systems | ARIN | ASSIGNMENT | ● high |
| 198.136.0.0/21 | Southwestern Bell Mobile Systems | ARIN | DIRECT ALLOCATION | ● high |
| 198.136.0.0/24 | Southwestern Bell Mobile Systems | ARIN | ASSIGNMENT | ● high |
| 199.59.8.0/21 | Southwestern Bell Mobile Systems | ARIN | DIRECT ALLOCATION | ● high |
NIC Handles
C00001836
C00002427
JS687-ARIN
JS687-ARIN
JS687-ARIN
SBMS
SBMS-1