/etc/radcli/dictionary.roaringpenguin is in libradcli4 1.2.6-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20  | # Roaring Penguin Vendor-Specific Attributes
# Our vendor ID from IANA
VENDOR		RoaringPenguin	10055
#
# Roaring Penguin vendor-specific attributes
#
# Upstream speed limit in kb/s
ATTRIBUTE	RP-Upstream-Speed-Limit		1	integer	RoaringPenguin
# Downstream speed limit in kb/s
ATTRIBUTE	RP-Downstream-Speed-Limit	2	integer	RoaringPenguin
# Send a HURL
ATTRIBUTE       RP-HURL                         3       string  RoaringPenguin
# Send a MOTM
ATTRIBUTE       RP-MOTM                         4       string  RoaringPenguin
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