  We present results from a sample of 106 high-luminosity IRAS sources observed
with the Very Large Array in the B and C configurations. 96 sources were
observed in the X-band and 52 in the K-band, with 42 of them observed at both
wavelengths. We also used previously published observations in the C-band for
14 of them. The detection rate of sources with 3.6~cm continuum emission was
$\sim25\%$, while only 10\% have emission at 1.3~cm. In order to investigate
the nature of these sources, their physical parameters were calculated mainly
using the 3.6~cm continuum emission, and for sources detected at two
wavelengths, we used the best fit of three HII region models with different
geometries. As a final result, we present a catalog of the detected sources,
which includes their basic physical parameters for further analysis. The
catalog contains 17 ultracompact HII regions and 3 compact HII regions.
