Look up dialed phone numbers and block prefixes to identify associated organizations and routing.
| Prefix | Label / Organization | Protocol | Status |
|---|---|---|---|
| 200 |
Vortex Telecom
|
IAX2 | Active |
| 221 |
Matthews System
|
IAX2 | Active |
| 463 |
Kristopher System
|
IAX2 | Active |
| 512 |
Edge Networx
|
IAX2 | Active |
| 621 |
Marcelo_Cheetah System
|
IAX2 | Active |
| 631 |
Block 631
|
IAX2 | Active |
| 672 |
Brodie System 2
|
IAX2 | Active |
| 710 |
Brodie System 1
|
IAX2 | Active |
| 771 |
Node Systems
|
IAX2 | Active |