Questions tagged [isp]

An Internet service provider (ISP) is a company that provides access to the Internet. Access ISPs connect customers to the Internet using copper, wireless or fiber connections.

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Is my IPv6 behind an ISP CGNAT?

I am trying to SSH into my PC from outside my house using its IPv6 address, and I get an error of "host is unreachable". test-ipv6.com gives me 10/10 score. Pinging my router's IPv6 works. ...
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2 different users accessing internet banking from mobile browser at different time but IP address and user agent string is exactly the same

Is it possible to have a scenario where there are 2 different users accessing internet banking (using their own credentials) from mobile browser at different time using the same mobile device, but ...
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Can you connect 2 networks from 2 different providers to 1 motherboard?

I was unhappy with the reliability of the broadband offered by my mobile service provider, but they've made it so there isn't a TV plan I'm happy with w/o broadband, so I'm still connected to them. I ...
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Test internet speed over a period of time

I´m having issues with slow internet. I have used speedtest.net at different times of the day and week and the result tells me that I get 10-20% of the bandwidth that I pay for. My ISP tells me that ...
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How I tell which Internet provider my computer is using?

I have RCN as my internet provider and just signed up for Xfinity Comcast Internet and they told me that it is enabled. I'm trying to have minimal downtime without internet so I'm not how I can tell ...
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Is my connection speed okay?

I have a so-called ADSL2+ connection with this characteristics displaying in my zyxel modem page: noise margin downstream: 9.6 dB output power upstream: 12.2 dbm attenuation downstream: 34.2 dB Upon ...
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How does ISP know when to change the dynamic IP?

As I understand, ISP uses DHCP protocol to give out IPs from some pool. Every time they give the IP via DHCP it has a lease time. At the end of a lease time, a router can receive the same IP - but it ...
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Proper implementation of IPv6 for LAN when having Dynamic IPv6 address from ISP

I have a working IPv6 setup with LAN and WAN interfaces. However, there is challenge since ISP provides the Dynamic IPv6 address (range) instead of static (I do not know why?). So, any time the WAN ...
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How much router packet loss is acceptable?

I have had issues with my internet connection. My ISP has several times dropped my internet connection all together and it has been down for several days. When calling support they analyse and call ...
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Visibility of browsing history to ISP

I was reading an article discussing the deleterious effects of ISPs locking down customers with mandatory antiquated routers supplied by the very same ISP while providing fiber-net connections. One ...
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What scope and lifetime do carrier grade NAT IP address mappings tend to have?

One of the primary differences between consumer NAT and carrier grade is that CG NAT usually has a pool of global IPs to share with customers while consumer NAT has one address provided by the ISP. ...
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Is there any way to bypass CGNAT for host servers?

This question is a follow up an earlier question : Why is google showing me a different external IP address than router So it is established that I am behind a CGNAT. My ISP is unlikely to allow me ...
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Why is google showing me a different external IP address than router

This question is in a way a follow up question from here: Can an ISP block port forwarding? I was look at the isp router's info page and the IPv4 address is : IPv4 Address 100.87.***.1** However when ...
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Can an ISP block port forwarding?

I have been trying to setup SoftEther for a while now but when I try to connect using TCP connection it is failing. So I tried to run a external scan to determine which ports are open and it seems all ...
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Can FEC errors cause line to disconnect?

I am experiencing disconnect on my line and the technician measured the line at home seeing a high number of FEC errors (about 2k in a min), where when checked the line outside the house he only found ...
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Browser only loads to a webpage or internet sometimes. Keeps giving problems

my browsers only load to a webpage on the internet sometimes. I refreshed the pc, but problem still exists, then I recycled and put pc back to factory state. A while later, same problem. I have typed ...
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What could be causing my download/ping issues?

Disclaimer, I will be referring to ping as the result of the ping 8.8.8.8 command. I am connected via FTTH to a (relatively) newly constructed Gigabit fiber network (~2020). For several months it ...
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Weird network issue

I just had a very strange experience. I could not open any internet connections, but pings worked fine and existing connections continued working as if nothing had happened. I know nothing about the ...
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No connection to server from the internet - how to know if the router blocks it?

I don't know much about network-related issues. I am trying to set up a small web server on a Raspberry Pi. I have the latest Raspberry Pi OS and installed Apache on it, and when opening the local IP ...
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ISP router interface missing a lot of settings

I'm thinkng of upgrading my garbage ONT modem/router that was provided to me by my ISP (Orange Morocco). The major problem is in their Router (ZTE F660) they're running a custom firmware in which they ...
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Ipv6 Individual ip adresses [duplicate]

my question is when you use ipv6, does the router still use NAT? I've searched for an hour and haven't found any info on this. what i mean is whether the ISP will use the same ip for multiple homes, ...
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29 votes
8 answers
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Can Windows 10 on A modern laptop support simultaneous connections to two ISPs?

I live in a rural area with only two choices for Internet connection, 1.2 Mbit/s DSL from AT&T or 15 Mbit/s from old-style satellites with 700 ms ping time and fast only in averages. The fast ...
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Can ISP block access point configuration at their side?

I have two homes on the same building flour. Earlier ISP administration allowed me to use single connection in both homes. So ISP connection was provided to one home and then I had a router configured ...
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Whats actually inside an ISP?

I was wondering what's actually inside an ISP. Google just said, "it connects your computer to the internet" which is just too high level for my curiosity. It is a bunch on network switches ...
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Is there a way to find out if blocking is implemented by the website itself or my ISP?

Basically Im in a country where the government is known to block many sites/protocols.. And Im also aware that websites / servers can simply region block my IPaddress, and this has become more popular ...
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If a router is seemingly blocking VPN usage, is there a way around it?

Background: I'm staying at an Airbnb, so I'm using the internet through a router and ISP that are unknown to me. And I have no access to the router unless I'm going to try to get my host to do work on ...
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Port forwarding issue - Connection refused when SSHing into a configured port

Foreword I do have an public IP, which I can verify on WhatIsMyIPAddress; When I try to connect to my computer from the outside via any of these ssh myusername@mypublicIP ssh -p 22 myusername@...
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Different IP location from origin ISP

So, I'm from India recently my ISP Excitel located in India modify their network. I think it's merge to cogent ISP which located in United State which completely provide different external IP, if I ...
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Simulate Direct Internet in Lab

I work for a Smart Home company, and we have been having issues with certain ISP routes killing updates. Therefore, we need to simulate an internet connection in our office for testing. We have two ...
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Bypass ISP blocking Ports?

how to bypass isp blocking opening ports? im just trying to open a minecraft server to play with my friends so we can play, but it seems like my internet provider is blocking it. and this is weird cus ...
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IP address from ISP

I am learning about routers and PAT right now. I am thinking about my public address assigned to my home router. Is it possible that ISP didn't provide real public address for me but instead it gave ...
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ISP throttling only windows devices upload speed

Hey guys so recently i have been facing upload speed issues with windows 10, my internet speed is 8mbps up/down, my upload speed seems to be throttled by ISP but only on windows devices. when i live ...
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Can my ISP detect high traffic usage of SSH connection?

I heard ISPs, internet service providers, are watching the internet and how we use their services. So for example a big sized download/upload traffic through torrent is being blocked by some ISPs, or ...
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Is it likely that two neighbors having the same ISP will have the same public IP?

Imagine the following scenario: there is a big building, with hundreds of apartments, and every apartment uses the same ISP. Each apartment has their own router. If a website logs every IP address, is ...
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Simple Failover dual homing setup

I have a 50Mbps fiber connection, and it has daily downtime of 10%. The connection is down, exactly when I start to do something important. Also, I have a 4G connection with 4GB/day limit and weekend ...
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How can I ensure that my home LAN is not affected by my cable modem's outage

As probably with most of the world, my cable modem experiences downtime intermittently each day (for maybe several minutes). The problem is, I use my cable modem for DHCP - I have a switch connected ...
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Remote access to router via OMCI and TR-069

My ISP ships to me a router that they can remote manage via OMCI and TR-069. I am not familiar at all with these methods. How can I monitor or even block these accesses? It feels wrong to have random ...
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Port forwarding not working when client is on same local network?

EDIT: Based on the answers below, the question was in error. The issue was not due to port forwarding, but rather trying to access a server on the local network via our public IP in the first place. ...
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can ISP know your search queries on instagram?

I've became a bit curious about what ISP can know about me. I'm already aware that ISP can read our search history and many other things but my question is that can ISP know the queries I search on ...
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Can two different computers on the same home network have different public IP addresses via different ISPs?

Comcast provides Internet service for my home network and I noticed last night that my public IP address had changed using WhatsMyIp.org. The "Hostname & User Agent" ended with the ...
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how to stop my ISP from changing my computer DNS setting

I keep setting my DNS on a Mac to 1.1.1.1 and 8.8.8.8 and ATT keeps changing it back to theirs. On my Mac! How is this possible? and how can I prevent it?
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No internet when I change my router

I have a PPPoE DSL connection. I have one router and it connects to ISP and I have internet access. But when I change it with any other router and try to connect it using using the ISP given ...
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3 answers
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What does ISP ping really mean?

I saw an article detailing Starlink's upcoming preorders and they mentioned that Starlink will have "latency from 20-40ms". Knowing even the basic definition of "ping" made me ...
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IPv6 accessibility and Hitron Router

For my Hitron CODA-4582U Router, this is the best I can find and come up with - However, trying to connect from internet failed: Immediate connect fail for 2607:9880:3627:ffa4:92b1:xx:xx:681f: ...
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How many internet users can an ISP assign to a single IP address?

It’s hard to believe that an IP address is reserved for only one internet user. Many internet service providers (ISPs) have to cater to several mobile Wi-Fi home subscribers in the same geographic ...
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1 vote
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how to tell which ISP a public IP address belongs to?

Is it possible to know which ISP a public IP address belongs to? For example, if the company you work for has two ISPs and there is some kind of networking equipment in the computer room that routes ...
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Why am I getting two different IP addresses?

I have a dynamic PPPoE connection from my ISP. After logging in, the router says it's connected through 172.80.xx.xx (this is not the DHCP range for connected users), but in Google, when I search for &...
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Multiple different IPv6 WAN addresses same time

this is my first post, so be gentle with me for sometimes not using the correct terminology. I am using a Fibre ISP with CG-NAT (DS-Lite). I connect via IPv6 Prefix Delegation with a /56 address space....
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How can I find my next hop point for a home router?

My ISP won't provide the ip address of the modem connection. They say they are not allowed to give that information out. On their end they can see the modem and program it with their ip address/subnet ...
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can i set up a reverse DNS to a public IP?

Is it possible to set up a "fake" reverse DNS to my internet public ip? I don't want to buy a fixed IP address from the ISP and have them set up rDNS for me, I need to change my public ip ...
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