As for the Ten Codes, and why 1010 means, "I'm done," and 104 means "I heard you," rather than the other way around, I'm not sure there's any particular reason Maybe there is a reason, but that reason is closely guarded 1035 (confidential information) According to Wikipedia, CB is still in use todayIP address is in private nonroutable range IP address is in a reserved range Private IP Address Ranges Address ranges below are reserved by IANA for private intranets, and not routable to the Internet For additional information, see RFC 1918The MariaDB Foundation is pleased to announce the availability of MariaDB 1056, MariaDB , MariaDB , MariaDB and MariaDB , the latest stable releases in their respective series The only change in all releases is a fix for a vulnerability, CVE Cvs Deal On Scott Bath Tissue 10 4 10 10 Cvs Couponers 4/10 times 10/10