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gspower92
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Can you please help me ?

Hi , can you please help me to understand why i get many request timeout on this IP adress 162.249.72.1 ?? 

The ip 162.249.72.1 appears to be located in ParisFrance and allocated to RIOT-NA1. Autonomous System Number (ASN) code for 162.249.72.1 is AS6507. IP Address local time zone is Europe/Paris (+0200). PTR record is set to 162.249.72.1

tracert2021.png

I can't fiind where is the problem ... Im changing ISP .. from TT to VM .. What can i do ? 

Connection Info : WIRED ( SUBSCRIPTION M500 ) 

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tehwolf
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Message 2 of 23
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Re: Can you please help me ?

Can't explain why it's an issue, but it's an issue for me too - i can't reach the IP address via a traceroute either - it stops at the same place as yours, which is a liberty global address belonging to their ISP in the Netherlands, Cello. 

I can reach it via my other ISP though, and it's a pretty direct path via the London Internet Exchange (LINX). 

Andruser
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Re: Can you please help me ?

For occasional use then (for example) the free VPN built into the Opera browser might overcome that?  A paid VPN would perform more robustly if your access needs required something speedy and reliable.

Obviously it would be better if VM fixed their routing, but getting that sort of thing looked at is difficult because VM's organisational design prevents customers speaking to those staff who'd understand the issue, take ownership, investigate and get it resolved.  You might get lucky if the forum staff pick this up and decide to pass it to the right people, but given the international dimension you're hoping for quite a lot of stars to align. 

If it's a deal breaker and you're still in your cooling off period, you might want to decide whether VM is the way forward for you.

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ravenstar68
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Re: Can you please help me ?

What game is this for?

Tim

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gspower92
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Re: Can you please help me ?

Valorant made by Riot Games 

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ravenstar68
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Re: Can you please help me ?

I'm no longer on a VM connection due to personal circumstances, so my tracert is done over BT

C:\Users\timdu>tracert 162.249.72.1

Tracing route to 162.249.72.1 over a maximum of 30 hops

  1     1 ms    <1 ms    <1 ms  bthub [192.168.1.254]
  2     4 ms     4 ms     5 ms  172.16.19.151
  3     *        *       17 ms  31.55.187.181
  4    17 ms    17 ms    17 ms  31.55.187.188
  5    17 ms    17 ms    17 ms  213.121.192.130
  6    26 ms    19 ms    17 ms  peer1-et7-0-2.interxion.ukcore.bt.net [194.72.16.118]
  7    17 ms    17 ms    19 ms  linx-j.riotdirect.net [195.66.226.186]
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.

First off - just because a tracert doesn't appear to reach it's target doesn't mean that target is unreachable.

When a normal packet is sent across the internet it's given a TTL value (In Windows this defaults to 64), every time the packet passes through a node the TTL value is reduced.  If the TTL gets to 0 BEFORE the packet reaches it's destination then we get a ICMP Destination Unreachable error returned.

Normally most packets will actually get to their destination before the TTL reaches 0.

Tracert makes use of this by sending out packets with TTL starting at 1 and then increasing until either:

  • The response shows a source = target IP
  • The hop limit for the tracert is reached (defaults to 30 but can be amended with the -h parameter)

However a target can be set not to respond to ICMP echo packets.  In which case the first condition is never reached - even on a good connection.  It's worth knowing this as it can save a lot of head scratching.

However my last recorded packet does show successful peering between BT and Riot Games network:

6 26 ms 19 ms 17 ms peer1-et7-0-2.interxion.ukcore.bt.net [194.72.16.118]
7 17 ms 17 ms 19 ms linx-j.riotdirect.net [195.66.226.186]
8 * * * Request timed out.

Which is something that's not seen in VM's trace.

@ModTeam - Can you ask someone to take a look?

Tim..

P.S.  I've got my pedantic head on so I just wanted to point out this:

PTR record is set to 162.249.72.1

is not correct.  

A PTR record is used when doing a reverse DNS search,  If you do nslookup with an IP address then you get the result of a DNS query where the octets are reversed and the parent domain in-addr.arpa is added.  If you have access to dig you can do this:

 

C:\Users\timdu>dig -x 162.249.72.1

; <<>> DiG 9.16.11 <<>> -x 162.249.72.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1678
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;1.72.249.162.in-addr.arpa. IN PTR

;; Query time: 2 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Thu Feb 18 07:24:20 GMT Standard Time 2021
;; MSG SIZE rcvd: 43

The NXDOMAIN at the top shows no record (indeed there is no requirement for every IP to have a reverse DNS lookup)

Similarly nslookup returns this:

C:\Users\timdu>nslookup 162.249.72.1
Server: bthub
Address: 192.168.1.254

*** bthub can't find 162.249.72.1: Non-existent domain

Compare this to an IP that I know has a reverse lookup.

C:\Users\timdu>nslookup 80.0.253.69
Server: bthub
Address: 192.168.1.254

Name: know-smtprelay-omc-5.server.virginmedia.net
Address: 80.0.253.69

So there is no PTR record for 162.249.72.1

Tim

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gspower92
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Message 7 of 23
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Re: Can you please help me ?

And what i am suppose to do in that case ? is Riot games fault or VM  ? and how can i fix it .. because is so annoying 

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ravenstar68
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Message 8 of 23
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Re: Can you please help me ?

VM will need to speak to Liberty Global to look at the peering between them and Riot Games' networks.

Tim

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gspower92
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Message 9 of 23
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Re: Can you please help me ?

VM will need to speak to Liberty Global to look at the peering between them and Riot Games' networks.  

Spoiler
Can someone do this ASAP .. ? or i think you ( VM ) will get -1 from customers 😄  im not joking 

@MODTEAM  

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ravenstar68
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Message 10 of 23
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Re: Can you please help me ?

The Forum team will respond to the thread but it can take up to a week.  In the meantime you might want to remove the helpful answer tags by going to the post menu options in the relevant posts.

On this Forum Helpful answer indicates that a articular issue has been solved.

Tim

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