I'm guessing that pfBlockerNG is using the IPInfo database to query what IPs the ASNs own, so I think it would be required. ASNs are not static, so it wouldn't make sense to ship a database of them, it would immediately be outdated.
I'm guessing that pfBlockerNG is using the IPInfo database to query what IPs the ASNs own, so I think it would be required. ASNs are not static, so it wouldn't make sense to ship a database of them, it would immediately be outdated.