Is the IPv4 address inside 70.24.0.0/13 (Bell Canada)? Pure bit-mask check, no network call, returning inside true/false with the range's first/last address and size. Precise allow/deny rules for a well-known block. $0.01 per check.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xFC24...eBB3 |
| Base Sepolia | exact | $0.001000 USDC | 0xFC24...eBB3 |