this is what it says inside the idconflict folder
#Blocks
1900: weathermod:TornadoSensor from WeatherMod - witcheryGlowGlobe from witchery
1901: weathermod:TornadoSiren from WeatherMod - witcheryLeechChest from witchery
1902: WeatherMod:VectorTree from WeatherMod - witcheryStatueGoddess from witchery
3347: fenceGate.bloodwood from Natura - moonBlock from GalacticraftCore
3348: fenceGate.hopseed from Natura - cheeseBlock from GalacticraftCore
3350: fenceGate.silverbell from Natura - breatheableAir from GalacticraftCore
3351: fenceGate.amaranth from Natura - landingPad from GalacticraftCore
3352: fenceGate.tiger from Natura - landingPadFull from GalacticraftCore
3353: fenceGate.willow from Natura - unlitTorch from GalacticraftCore
3354: fenceGate.darkwood from Natura - unlitTorchLit from GalacticraftCore
3355: fenceGate.fusewood from Natura - distributor from GalacticraftCore
3356: blazerail from Natura - oxygenCompressor from GalacticraftCore
3357: blazerail.powered from Natura - oxygenCollector from GalacticraftCore
3358: blazerail.detector from Natura - refinery from GalacticraftCore
3359: blazerail.activator from Natura - fuelLoader from GalacticraftCore
3360: furnace.netherrack from Natura - sealer from GalacticraftCore
3361: nether.obelisk from Natura - oxygenDetector from GalacticraftCore
3362: nether.glass from Natura - cargo from GalacticraftCore
3363: nether.hopper from Natura - machine from GalacticraftCore
3368: lever from Natura - oxygenPipe from GalacticraftCore
4002: WaterBottle from hamstermod - bambooBundle from tropicraftmod
4039: thermalexpansion.fluid.coal from ThermalExpansion - tradeBlock from tropicraftmod
4041: thermalexpansion.fluid.pyrotheum from ThermalExpansion - Volleyball Court Post from volleyballmod
4042: thermalexpansion.fluid.ender from ThermalExpansion - firePit from tropicraftmod
4043: thermalexpansion.fluid.glowstone from ThermalExpansion - bongoDrums from tropicraftmod
Suggested Ranges: 553-999 (447 IDs), 1502-1859 (358 IDs), 2341-2539 (199 IDs)