One of them has just a name: Barbarich Viacheslav Yuryevich
These are small providers with non recognized names. There is little point of naming them.
They did. To have an AS number you've gotta register it with a provider (In this case RIPE, as noted by d215). You can always look up an AS number and get ownership details.
Nothing. It's just that you'd probably never have heard of them.