They all respond because I asked them for it. About half didn't upon turn up. It's super trivial for them to null route them or readdress in rfc 1918/4193 space.
Or are you referring to xconnects inside their network? That's up to them to work out and I've never seen a provider just abandon their network while under attack.
Or are you referring to xconnects inside their network? That's up to them to work out and I've never seen a provider just abandon their network while under attack.