Well... the building number appears after the street, but beyond that it follows the standard address convention, does it not? Piazza di San Cosimato 63, 00153

Well... the building number appears after the street, but beyond that it follows the standard address convention, does it not? Piazza di San Cosimato 63, 00153 Rome, Italy Also, I'm don't know if Japanese addresses are reversed in Japanese, but when the Japanese express them in latin scripts, they are always in standard address order clear down to floor numbers and room numbers. Here's Sony Computer Science Laboratories: 3-14-13, Higashigotanda, Shinagawa-ku, Tokyo, Japan Straightforward address ordering. At any rate, the IP address scheme was invented by Americans, so it seems natural that it'd use an American (and generally worldwide it seems, at least in roman scripts) address ordering.