I have a Belkin F6D4230-4 v1 router. When I port scan it with nmap I get the following:

$ sudo nmap -sS -A -T5 192.168.2.1 -p-

Starting Nmap 5.00 ( http://nmap.org ) at 2010-04-17 11:40 CDT
Interesting ports on 192.168.2.1:
Not shown: 65532 closed ports
PORT     STATE    SERVICE VERSION
80/tcp   open     http    Belkin 2307 wifi router http config (IP_SHARER httpd 1.0)
|_ html-title: '+i1+'
4661/tcp filtered unknown
4662/tcp filtered edonkey
MAC Address: 00:22:75:5D:52:D8 (Belkin International)
Device type: WAP|broadband router|firewall|printer|specialized|webcam
Running (JUST GUESSING) : Linksys embedded (95%), TRENDnet embedded (95%), Netgear embedded (92%), Canon embedded (89%), On Time RTOS (89%), Symantec embedded (89%), D-Link embedded (86%), Polycom embedded (85%)
Aggressive OS guesses: Linksys WRT54GC or TRENDnet TEW-431BRP wireless broadband router (95%), TRENDnet TW100-BRF114 broadband router (95%), Netgear FR114P ProSafe VPN firewall (92%), Canon PIXMA MX850 printer (89%), On Time RTOS (89%), Symantec Firewall/VPN 100 (89%), D-Link DI-714P+ wireless broadband router (86%), Polycom ViewStation video conferencing system (85%)
No exact OS matches for host (test conditions non-ideal).
Network Distance: 1 hop
Service Info: Device: WAP

OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 21.57 seconds

Why are the 4461 and 4462 ports open? This is a basic, out-of-the-box installation.