From the documentation:
"By default, the maximum number of IPv4 public route prefixes is not limited."
"By default, the maximum number of IPv6 public route prefixes is not limited."
S2750, S5700, S6700 V200R005(C00, C01, C02, and C03) Configuration Guide - IP Unicast Routing
12.1.2 Displaying and Maintaining the Routing Management Module
https://support.huawei.com/enterprise/en/doc/EDOC1000047418