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    CloudFlare Launches Privacy First DNS Service

    Scheduled Pinned Locked Moved News
    cloudflaredns1.1.1.1privacy
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    • I
      i3
      last edited by

      Anyone using AT&T having issues using 1.1.1.1? It resolves to CloudFlare, however, ping latency is 1ms and a tracert only has one hop which is the 1.1.1.1. Seems like that IP is assigned to the onsite AT&T modem. Is it even worth trying to explain to an AT&T support rep? Seems like it may be a long phone call with no resolution.

      SmithErickS JaredBuschJ A 3 Replies Last reply Reply Quote 1
      • SmithErickS
        SmithErick @i3
        last edited by

        @i3 Have you tried using the secondary 1.0.0.1 server?

        1 Reply Last reply Reply Quote 1
        • JaredBuschJ
          JaredBusch @i3
          last edited by

          @i3 said in CloudFlare Launches Privacy First DNS Service:

          Anyone using AT&T having issues using 1.1.1.1? It resolves to CloudFlare, however, ping latency is 1ms and a tracert only has one hop which is the 1.1.1.1. Seems like that IP is assigned to the onsite AT&T modem. Is it even worth trying to explain to an AT&T support rep? Seems like it may be a long phone call with no resolution.

          It is also definitely worth phone calls or something because

          1. It is not a private IP address
          2. AT&T does not own it
          3. AT&T is not allowed to steal traffic.
          scottalanmillerS 1 Reply Last reply Reply Quote 3
          • scottalanmillerS
            scottalanmiller @JaredBusch
            last edited by

            @jaredbusch said in CloudFlare Launches Privacy First DNS Service:

            1. AT&T is not allowed to steal traffic.

            If this is on the modem, it's a bit weird as it is local and not at AT&T.

            1 Reply Last reply Reply Quote 0
            • A
              Alex Sage @i3
              last edited by

              @i3 Confirmed that AT&T isn’t working correctly.

              https://blog.cloudflare.com/fixing-reachability-to-1-1-1-1-globally/

              1 Reply Last reply Reply Quote 2
              • momurdaM
                momurda
                last edited by momurda

                Why would ATT do this, use a public ip for an internal ip address on their devices? a public ip they dont own or have control over, to boot.

                scottalanmillerS 1 Reply Last reply Reply Quote 0
                • scottalanmillerS
                  scottalanmiller @momurda
                  last edited by

                  @momurda said in CloudFlare Launches Privacy First DNS Service:

                  Why would ATT do this, use a public ip for an internal ip address on their devices? a public ip they dont own or have control over, to boot.

                  Not for any smart reason. But they did it SO long ago and got away with it for decades so one has to wonder... was it really a bad decision?

                  momurdaM 1 Reply Last reply Reply Quote 0
                  • momurdaM
                    momurda @scottalanmiller
                    last edited by

                    @scottalanmiller Yes i was thinking they did this because this address space was unassigned for 30 years. But what is the purpose? Is unallocated public address space usable in any way?

                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @momurda
                      last edited by

                      @momurda said in CloudFlare Launches Privacy First DNS Service:

                      @scottalanmiller Yes i was thinking they did this because this address space was unassigned for 30 years. But what is the purpose? Is unallocated public address space usable in any way?

                      If you are an ISP, yes.

                      1 Reply Last reply Reply Quote 0
                      • scottalanmillerS
                        scottalanmiller
                        last edited by

                        I feel like I have a memory of AT&T using 1.1.1.1 back in like 1995. Maybe I'm just making that up, you know how memories are. But that feels like some ancient addressing thing that we knew about. I'm not sure that we knew that AT&T didn't own it. But we knew that they were using it. It was for something normal.

                        1 Reply Last reply Reply Quote 0
                        • momurdaM
                          momurda
                          last edited by

                          @aaronstuder 's link is very informative about the issue. Not just ATT but other isp around the world did it as well. I still dont know why they wouldnt just use private address space for these internal device communications

                          JaredBuschJ 1 Reply Last reply Reply Quote 0
                          • JaredBuschJ
                            JaredBusch @momurda
                            last edited by

                            @momurda said in CloudFlare Launches Privacy First DNS Service:

                            @aaronstuder 's link is very informative about the issue. Not just ATT but other isp around the world did it as well. I still dont know why they wouldnt just use private address space for these internal device communications

                            because 1.1.1.1 is simple. you don't get much simpler. And it will not conflict with anything else in the network

                            scottalanmillerS 1 Reply Last reply Reply Quote 1
                            • scottalanmillerS
                              scottalanmiller @JaredBusch
                              last edited by

                              @jaredbusch said in CloudFlare Launches Privacy First DNS Service:

                              @momurda said in CloudFlare Launches Privacy First DNS Service:

                              @aaronstuder 's link is very informative about the issue. Not just ATT but other isp around the world did it as well. I still dont know why they wouldnt just use private address space for these internal device communications

                              because 1.1.1.1 is simple. you don't get much simpler. And it will not conflict with anything else in the network

                              Yeah, with no one else using it publicly, it was super easy for ISPs to coopt.

                              1 Reply Last reply Reply Quote 0
                              • A
                                Alex Sage
                                last edited by

                                Maybe they were using 1.1.1.1 as a null route?

                                1 Reply Last reply Reply Quote 0
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