https://www.arin.net/fees/2016_fee_schedule.html
| Service Category | Fee | IPv4 Block Size | IPv6 Block Size |
|---|---|---|---|
| 3X-Small * | $250 | /24 or smaller | /40 or smaller |
| 2X-Small | $500 | Larger than /24, up to and including /22 |
Larger than /40, up to and including /36 |
| X-Small | $1,000 | Larger than /22, up to and including /20 |
Larger than /36, up to and including /32 |
| Small | $2,000 | Larger than /20, up to and including /18 |
Larger than /32, up to and including /28 |
| Medium | $4,000 | Larger than /18, up to and including /16 |
Larger than /28, up to and including /24 |
| Large | $8,000 | Larger than /16, up to and including /14 |
Larger than /24, up to and including /20 |
| X-Large | $16,000 | Larger than /14, up to and including /12 |
Larger than /20, up to and including /16 |
| 2X-Large | $32,000 | Larger than /12, up to and including /10 |
Larger than /16, up to and including /12 |
| 3X-Large | $64,000 | Larger than /10, up to and including /8 |
Larger than /12, up to and including /8 |
| 4X-Large | $128,000 | Larger than /8, up to and including /6 |
Larger than /8, up to and including /4 |
| 5X-Large | $256,000 | Larger than /6 | Larger than /4 |
