Re: most accurate geo-IP source to build country-based access lists

2015-06-10 Thread Dave Sparro
Years ago when meeting with the lawyers to talk about the need to block access to a list of websites I was coming from the technical side and talking about how all of our possible solutions were incomplete and easily circumvented by our users. The lawyers' response was to explain the concept of

Re: most accurate geo-IP source to build country-based access lists

2015-06-09 Thread Martin T
John, At a brute force country level it is possible to use the Delegated ranges lists but that runs into the problem where IP ranges are subnetted and allocated to other countries. Yeah. In addition, to illustrate the point in my initial post, sometimes inetnum objects contain more than one

Re: most accurate geo-IP source to build country-based access lists

2015-06-09 Thread Joe Abley
On 9 Jun 2015, at 5:11, Martin T wrote: At a brute force country level it is possible to use the Delegated ranges lists but that runs into the problem where IP ranges are subnetted and allocated to other countries. Yeah. I would say that a perfectly accurate mapping of address to anything

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread Blake Hudson
Roland Dobbins wrote on 6/8/2015 9:14 AM: On 8 Jun 2015, at 21:11, Martin T wrote: Are there any other possibilities to geolocate IPv4 addresses with higher accuracy? There is no direct relationship between logical network topology and geopolitical boundaries.

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread Bacon Zombie
Tinder would be more accurate since it uses the phones GPS. You could also cross check what subreddits they are subscribed to. On 8 Jun 2015 23:12, a.l.m.bu...@lboro.ac.uk wrote: Hi, Have you thought about application layer tests - e.g. is the client's character set/language set to

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread A . L . M . Buxey
Hi, Have you thought about application layer tests - e.g. is the client's character set/language set to Swedish? Has the user identified himself/herself/henself as living in or being from Sweeden? ...just waiting for someone to suggest checking their web cookies to see what area they've got

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread Roland Dobbins
On 8 Jun 2015, at 21:11, Martin T wrote: Are there any other possibilities to geolocate IPv4 addresses with higher accuracy? There is no direct relationship between logical network topology and geopolitical boundaries. --- Roland Dobbins rdobb...@arbor.net

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread Måns Nilsson
Subject: most accurate geo-IP source to build country-based access lists Date: Mon, Jun 08, 2015 at 05:11:15PM +0300 Quoting Martin T (m4rtn...@gmail.com): Are there any other possibilities to geolocate IPv4 addresses with higher accuracy? There are three levels of untruth: (in increasing

RE: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread David Hofstee
: Re: most accurate geo-IP source to build country-based access lists Subject: most accurate geo-IP source to build country-based access lists Date: Mon, Jun 08, 2015 at 05:11:15PM +0300 Quoting Martin T (m4rtn...@gmail.com): Are there any other possibilities to geolocate IPv4 addresses

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread A . L . M . Buxey
Hi, 2. There are no Russian soldiers in Crimea eh? we know there are as it got annexed last year. I think you meant There are no Russian soldiers in Ukraine ? alan

Re: most accurate geo-IP source to build country-based access lists

2015-06-08 Thread John McCormac
On 08/06/2015 15:11, Martin T wrote: Hi, let's say that I need to build an ACL where I block all the IPv4 traffic from Sweden. I considered following solutions: 1) RIR statistics files(ftp://ftp.ripe.net/ripe/stats/RIR-Statistics-Exchange-Format.txt) accessible for example at