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FT blocks an entire Internet ASN

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Old Apr 12, 2022 | 2:27 pm
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FT blocks an entire Internet ASN

I am currently on a trip that includes the Netherlands and Belgium. The travel eSIM I bought uses mainly KPN in the Netherlands (though I have occasionally seen some version of Vodaphone pop up), and a couple different providers in Belgium (Belgacom, Proximus, Base) that Google/Wikpedia tell me might be affiliated with KPN.

At any rate, in all cases, attempting to access FlyerTalk while using mobile data on these networks leads to the error message below.

An ASN covers a *huge* chunk of Internet IP space (or really, multiple chunks of IP addresses usually related to the same entity in some way): https://en.wikipedia.org/wiki/Autono...stem_(Internet)

Here are all the IP ranges in this particular one: https://www.whatismyip.com/asn/16276/

So far I have gotten this error messages for IP addresses falling within 51.38.0.0/16, 54.36.0.0/16, and 54.37.0.0/16 (none of which match my physical location but this is not entirely surprising for a multi-national service provider) -- note that a /16 is more than 65k IP addresses.

OK, "Operator: OVN" sort of explains it because, yes, as someone who administers my own email servers, I have gotten a lot of spam from OVH addresses in the past, so I get it, but

https://en.wikipedia.org/wiki/KPN

"Its mobile division, KPN Mobile, had more than 33 million subscribers in the Netherlands, Germany, Belgium, France, and Spain under different brand names. Through its ownership of several European Internet service providers, KPN also provides Internet access to 2.1 million customers"

https://en.wikipedia.org/wiki/Proximus

"Proximus [...] is the largest of Belgium's three mobile telecommunications companies"

I suggest that maybe banning the entire ASN isn't the best business decision...

The obvious temporary user workaround is to use a VPN, which lol: Consolidated "Problems Accessing FlyerTalk When Using A VPN" thread

(luckily I run my own VPN server at home)
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Old Apr 14, 2022 | 12:02 pm
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I'll send this on over to our tech team, as I am not myself a network expert
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Old Apr 15, 2022 | 2:51 pm
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We unblocked this yesterday
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Old Apr 15, 2022 | 10:51 pm
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Originally Posted by IBJoel
We unblocked this yesterday
looks better now, thanks!
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