>   206.100.6.73  (ISP) --- 206.100.6.205 (ISP?)
>          |
>          |
>          |
>   206.100.6.74  (FlowPoint WAN side)
>    +-----------+
> +--| FlowPoint |
> |  +-----------+ 
> |                  (205.216.89.40/29)                   (172.16.89.40/29)
> |  rtr                      newhouse                     big-box
> |  205.219.89.41 <-->  205.219.89.46 +----------------+ (172.16.89.45)  205.219.89.4[234] aliased
> +------------DSL connection----------|de1          de0|-------hub                         here
>  (Flowpoint LAN side)                |                |       |||
>                                      |  rockhead.com  |       |||
>                                      |   NetBSD box   |   +---+|+---+
>                        c528574-a     |                |   |    |    |
>     24.1.4.193   <-->  24.1.4.200/32 |                |   |    |   .44
>  -----------cable connection---------|ne0             |   |   .43  glorias-pc
>  (@home)                             +----------------+  .42   w95
>                                        router box         pimin

Remove the aliases, it may work then.

-- 
Zdenek Salvet                                              salvet@ics.muni.cz 
Ustav vypocetni techniky Masarykovy univerzity, Brno
tel.: ++420-5-41 512 257                           Fax: ++420-5-41 212 747
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           If God had meant for us to be in the Army,
         we would have been born with green, baggy skin.