What is 2degrees doing with its network?

Forums › 2degrees (including Slingshot, Orcon, Flip, Stuff Fibre, MyRepublic, 2talk and Vocus) › What is 2degrees doing with its network?

freitasm

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#316247 29-Sep-2024 17:10

For example, why is traffic going through AS2906 (Netflix) to 1.1.1.1?


 
Tracing route to one.one.one.one [1.1.1.1]
over a maximum of 30 hops:
 
  1    <1 ms    <1 ms    <1 ms  SYNOLOGYROUTER [192.168.2.1]
  2     1 ms     1 ms     2 ms  v3.cpcak3-bng1.tranzpeer.net [101.98.0.96]
  3   355 ms     *        *     partner-network-device.nflxvideo.net [45.57.64.23]
  4    75 ms    11 ms    12 ms  198.41.236.12
  5    11 ms    11 ms    12 ms  one.one.one.one [1.1.1.1]
 
Trace complete.

MaxineN

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#3287662 29-Sep-2024 17:34

It's still entering CFs network at AKL IX. But maybe that's a recently acquired range and it hasn't been updated yet.

Although to really add to the question with a more serious issue (not to hijack the thread, but I shall as a once off). What's up with losing DNS multiple times in the last few weeks when on mobile data?

Have had to use my VPN at home to get around these issues.

Ramblings from a mysterious lady who's into tech. Warning I may often create zingers.

aj6828

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#3287740 29-Sep-2024 18:27

That's some weird peering ..gona test it my self when I get home ..

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Behodar

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#3287758 29-Sep-2024 18:50

For what it's worth, one of my Warcraft buddies on 2degrees was complaining that the game was almost "unplayable" last night (500+ ms, servers are in the US and were around 150 for me on Quic).

yitz

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#3287759 29-Sep-2024 18:56

I've seen it on Spark too, my guess is it is done for prefix aggregation reasons to have say all Christchurch CDNs for Akamai/Facebook/Netflix each a /26 on their own 2degrees IP space 203.184.4.x so as it's all contiguous then use Netflix/CDN provided IP space for other stuff like router interface / link nets (which don't need to be reachable externally) so as to reduce routing table entries.

Also since the Netflix caches are shared it means they can advertise the appropriate geographically based range to Internet exchanges which usually filter out routes longer than /24 so if you used the Netflix provided /26 for your actual Netflix caches then you can't present that externally to an IXP

Just to be clear it's likely to merely be a repurposing of IP addresses rather than any traffic crossing administrative borders. Only the reverse DNS which is tied to IP ownership makes it look weird.

Linux

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#3287765 29-Sep-2024 19:05

@Cxf Can you add any value here?

NickMack

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#3287908 30-Sep-2024 07:50

From CHC

>tracert 1.1.1.1

Tracing route to one.one.one.one [1.1.1.1]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms thenet01.thenet.gen.nz [192.168.0.1]
2 2 ms 2 ms 2 ms 12.7.69.111.static.snap.net.nz [111.69.7.12]
3 18 ms 2 ms 2 ms default-rdns.vocus.co.nz [101.98.5.217]
4 20 ms 2 ms 2 ms default-rdns.vocus.co.nz [101.98.5.216]
5 16 ms 16 ms 16 ms one.one.one.one [1.1.1.1]

https://nick.mackechnie.co.nz | NZ ISP latency monitoring - https://smokeping.thenet.gen.nz

CYaBro

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#3287912 30-Sep-2024 08:19

From Oamaru:

Tracing route to one.one.one.one [1.1.1.1]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms unifi [192.168.11.1]
2 3 ms 3 ms 3 ms v3.cpcwn2-bng1.tranzpeer.net [101.98.0.98]
3 3 ms 3 ms 3 ms 192.168.255.238
4 3 ms 2 ms 3 ms 192.168.255.239
5 3 ms 3 ms 3 ms default-rdns.vocus.co.nz [101.98.5.238]
6 22 ms 22 ms 22 ms one.one.one.one [1.1.1.1]

Trace complete.

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Benoire

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#3287917 30-Sep-2024 08:34

From West Auckland:

Tracing route to one.one.one.one [1.1.1.1]
over a maximum of 30 hops:

1 5 ms 1 ms 15 ms unifi.waxery.com [192.168.1.1]
2 3 ms 3 ms 2 ms v1.akmod-bng1.tranzpeer.net [101.98.0.124]
3 376 ms 372 ms * partner-network-device.nflxvideo.net [45.57.64.23]
4 5 ms 5 ms 4 ms 198.41.236.12
5 3 ms 2 ms 3 ms one.one.one.one [1.1.1.1]

Trace complete.

Had the same result yesterday too. I don't recall any issues but I am using 1.1.1.1 as my external DNS on both my UDM Pro and my AD domain controllers.

BlackHand

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#3287920 30-Sep-2024 08:48

From North Auckland :

❯ traceroute 1.1.1.1

traceroute to 1.1.1.1 (1.1.1.1), 64 hops max, 40 byte packets
1 router (192.168.1.1) 20.787 ms 0.728 ms 0.575 ms
2 * * *
3 partner-network-device.nflxvideo.net (45.57.64.23) 348.108 ms * *
4 198.41.236.12 (198.41.236.12) 5.968 ms 4.784 ms 6.723 ms
5 one.one.one.one (1.1.1.1) 5.154 ms 3.357 ms 3.107 ms

Sounddude

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#3287925 30-Sep-2024 09:07

Hi Guys

Bit late to the party, so things might have changed.

Seeing 1.1.1.0/24 being routed via AS13335 directly (We peer directly).

* > 1.1.1.0/24 198.41.236.12 0 - 250 0 13335 i

CYaBro

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#3287957 30-Sep-2024 10:02

Sounddude:

Hi Guys

Bit late to the party, so things might have changed.

Seeing 1.1.1.0/24 being routed via AS13335 directly (We peer directly).

* > 1.1.1.0/24 198.41.236.12 0 - 250 0 13335 i

Since you're here what's happening with Xbox live routing?
Intermittent issues it seems.

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openmedia

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#3287967 30-Sep-2024 10:16

From my orcon account

$ traceroute 1.1.1.1
traceroute to 1.1.1.1 (1.1.1.1), 30 hops max, 60 byte packets
1 _gateway (192.168.0.254) 0.575 ms 0.469 ms 0.522 ms
2 * * *
3 * * *
4 198.41.236.12 (198.41.236.12) 2.549 ms * *
5 one.one.one.one (1.1.1.1) 2.698 ms 2.666 ms 2.639 ms

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

yitz

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#3288170 30-Sep-2024 13:15

Looks to be the same hop on the path to a shared IX Netflix cache server located in akl002 described as "Auckland 1140" - so a "partner network device" or router somewhere in central Auckland.

Tracing route to one.one.one.one [1.1.1.1]
over a maximum of 30 hops:

1 1 ms <1 ms <1 ms 192.168.1.200
2 8 ms 1 ms 1 ms 192.168.1.250
3 3 ms 3 ms 3 ms v4.cpchn-hn-bng1.tranzpeer.net [101.98.0.123]
4 361 ms 373 ms 388 ms partner-network-device.nflxvideo.net [45.57.64.23]
5 * 17 ms 23 ms 198.41.236.12
6 22 ms 16 ms 16 ms one.one.one.one [1.1.1.1]

Trace complete.

Tracing route to ipv4-c029-akl002-ix.1.oca.nflxvideo.net [45.57.64.144]
over a maximum of 30 hops:

1 2 ms 1 ms 1 ms 192.168.1.200
2 3 ms 1 ms 1 ms 192.168.1.250
3 3 ms 4 ms 3 ms v4.cpchn-hn-bng1.tranzpeer.net [101.98.0.123]
4 * 378 ms * partner-network-device.nflxvideo.net [45.57.64.23]
5 16 ms 16 ms 17 ms po6.es01.akl002.ix.nflxvideo.net [45.57.64.22]
6 22 ms 16 ms 21 ms ipv4-c029-akl002-ix.1.oca.nflxvideo.net [45.57.64.144]

Trace complete.

aj6828

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#3288371 30-Sep-2024 19:20

1 * * * Request timed out.
2 8 ms 7 ms 9 ms v3.cpcwn2-bng1.tranzpeer.net [101.98.0.98]
3 * * * Request timed out.
4 47 ms * * 198.41.236.12
5 27 ms 26 ms 27 ms one.one.one.one [1.1.1.1]

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