Anupāvṛtta (Anupavritta) was the daughter of Bākā [Baka; perhaps also known as Rākā (Raka)] sired by the sage Viśravā (Visrava). Vāyupurāṇa (Vayupurana) identifies her as Aśanikā (Asanika). 

Vāyupurāṇa(70.50)
Brahmāṇḍapurāṇa (Maharṣi)(2.8.56)