shell:$ nslookup -timeout=2 -retry=1 'b.api.mapbox.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	b.api.mapbox.com
Address: 143.204.204.28
Name:	b.api.mapbox.com
Address: 143.204.204.29
Name:	b.api.mapbox.com
Address: 143.204.204.73
Name:	b.api.mapbox.com
Address: 143.204.204.93