GitHub added three webhook delivery IP ranges to the Meta API hooks field: 9.234.98.160/28, 9.234.98.176/28, and 9.234.106.48/28, for github.com across all plans including GitHub Enterprise Cloud.
Added to The Deploy Log . Read Edition 58, the edition that carried it.
95 rows from GitHub in The Deploy Log are dated on or before this one, this one included.