What other networks has as much carrier traffic as PropellerAds

[charliebrown]

I've been looking for networks besides propellerads (not because I dont want to use them but just so i can know which networks are out there so I can use to scale up in the future)

And when it comes carrier traffic, I haven't come across any network that comes close to PropellerAds.

I have looked into the following:
PopAds
PopCash
Ad-Maven

Just to give you an idea of the difference in traffic for some of these Geos:

Nigeria - Carrier - MTN
PropellerAds - 2.5 million/day
Popcash - 26k/day
PopAds - 1k/day

Kenya - Carrier - Safaricom
PropellerAds - 900k/day
PopCash - 3k/day
PopAds - 1k/day

Colombia - Carrier - Claro
PropellerAds - 500k/day
PopCash - 12k/day
PopAds - 5k/day

I have heard good things about Adsterra. Do they come close the