HP FlexNetwork MSR2003 Configuration Manual page 186

# Verify that a NAT444 mapping has been created for the DS-Lite host.
[Router] display nat port-block dynamic ds-lite-b4
Local VPN DS-Lite B4 addr
--- 1::1
Total entries found: 1
Global IP Port block
20.1.1.11 1024-1323
172
Connections
1