after unhooking the coax cable from the Hitron CGNM-2250 and getting an IP in the 192.168.100.xxx range I thought I would scan it to see what ports it had in case something was vuln to attack and I found 916/TCP open claiming to be rpcbind can anyone else confirm this and what it might be? if you can not see the image a text version of the scan will show up under the image.
Starting Nmap 7.40 ( https://nmap.org ) at 2017-05-24 06:29 Pacific Summer Time
NSE: Loaded 40 scripts for scanning.
Initiating Ping Scan at 06:29
Scanning 192.168.100.1 [1 port]
Discovered open port 916/tcp on 192.168.100.1
Completed SYN Stealth Scan at 06:29, 0.00s elapsed (1 total ports)
Initiating Service scan at 06:29
Scanning 1 service on 192.168.100.1
Completed Service scan at 06:30, 11.05s elapsed (1 service on 1 host)
Nmap scan report for 192.168.100.1
Host is up (0.0011s latency).
PORT STATE SERVICE VERSION
916/tcp open rpcbind
Read data files from: C:\Program Files (x86)\Nmap
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 16.26 seconds
Raw packets sent: 5 (196B) | Rcvd: 2 (72B)