Available for allocation to RIRs
IANA reserved and available for allocation to RIRs are:1, 2, 5, 7, 23, 27, 31, 37, 39, 41, 42, 49, 50, 58, 59, 60, 67-95, 96-126, 197, 201, 219-223
B space is completely free from 173/8 to 191/8
- a total of 6215 /16s, or 24 /8s
this makes a total of 107 /8s available for allocation to the RIRs