Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 59

सः he, भ्रह्मकोशम् seat of Brahma, रजतालयं च the abode of Rajathanabha, शक्रालयम् abode of Indra, रुद्रशरप्रमोक्षम् the location from which Rudra discharged an arrow (at Tripura), हयाननं Lord Hayagriva, दीप्तम् glowing, ब्रह्मशिरः च abode of the deity presiding over Brahmastra, वैवस्वतकिङ्करांश्च Vyvasvatah's attendants, ददर्श witnessed.

He saw the seat of Brahma, the abode of Rajathanabha, the abode of Indra, the location from which Rudra discharged an arrow (at Tripura), the abode of Lord Hayagriva, and glowing abode of the deity presiding over Brahmastra and Vyvasvatah's attendants.