This is intended to be a comprehensive list of HSMM or "hinternet" nodes worldwide.
- The minimum criteria for a system being a node on this list is as follows:
 
- Operate at a speed of greater than 56kbit/s
 
- Accommodate IPv4, IPv6 or both
 
- Accept connections and/or be used as a digipeater
 
- Operational within an authorized Amateur radio or MARS band
 
- Continuously powered on and accepting connections or digipeating, excluding power outages and maintenance downtime
 
United States
Kansas
Texas
United States
Alabama
| Callsign
 | 
IPv4 Address
 | 
IPv6 Address
 | 
Frequency
 | 
Offset
 | 
City
 | 
Coordinates
 | 
Features
 | 
| WB4GNA
 | 
 | 
 | 
1251.00 MHz
 | 
 | 
Anniston
 | 
 | 
 | 
| KD4SO
 | 
 | 
 | 
1250.00 MHz
 | 
 | 
Birmingham
 | 
 | 
 | 
| KI4PPF
 | 
 | 
 | 
1251.800 MHz
 | 
 | 
Huntsville
 | 
 | 
 | 
| KI4SAZ
 | 
 | 
 | 
1251.00 MHz
 | 
 | 
Magnolia Springs
 | 
 | 
 | 
| KI4SAY
 | 
 | 
 | 
1251.00 MHz
 | 
 | 
Mentone
 | 
 | 
 | 
Florida
See also