Simon Willison’s Weblog

Blogmarks tagged networking in Mar

Filters: Type: blogmark × Month: Mar × networking ×


ifconfig.co (via) I really like this: “curl ifconfig.co” gives you your IP address as plain text, “curl ifconfig.co/city” tells you your city according to MaxMind GeoLite2, “curl ifconfig.co/json” gives you all sorts of useful extra data. Suggested rate limit is one per minute, but the code is open source Go that you can run yourself. # 30th March 2021, 7:53 pm

Imminent Death of the Net Predicted. Well, maybe not, but the way Windows Vista deals with round-robin DNS A records (using a new IPv6 algorithm from RFC3484 backported to IPv4) means that domains that serve up multiple A records to load balance between data centres will find that the IP nearest to the 192.168.* range will get the vast majority of Vista traffic. # 5th March 2009, 9:50 am

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