I'm in NYC too. Github.com is resolving/working fine. Netflix.com is resolved but all assets (probably) weren't loading. Additionally Zendesk is also affected.
github is down for me in LES
I'm in midtown on TWC. All the things mentioned are down.
NYC, fios: github, twitter, soundcloud, heroku back up for me. Tunneling through an ec2 instance on us-east-1d gives the same results - can't find anything that is unreachable now.
Github, Twitter, Quora down in Williamsburg. But Gitlab, Stackoverflow is not