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2
votes
0answers
56 views

How can one update BGP ASN on an Azure Virtual Network Gateway?

I have an existing Azure Virtual Network Gateway I'm attempting to reconfigure for use for BGP, per https://azure.microsoft.com/en-us/documentation/articles/vpn-gateway-bgp-resource-manager-ps/ . ...
1
vote
1answer
47 views

AS number with two isolated networks

The company I work for have branches all over Europe and data centers in Sweden and Germany. In Sweden all sites are connected to each other via point-to-point links as well as each connected to ...
1
vote
1answer
178 views

SpamAssassin ASN Plugin

I've got spamassassin 3.4.0 setup to use Mail::SpamAssassin::Plugin::ASN. cpan confirms that it is installed, and dig confirms that I can get the ASN TXT records from http://routeviews.org. My local....
1
vote
3answers
12k views

Configuring firewall for Google Cloud Messaging - ASN 15169

We have a mobile application that uses Google Cloud Messaging. This means our internal server has to communicate with Google's GCM server at android.googleapis.com on a specific port. Our IT team ...
6
votes
1answer
2k views

Linux “traceroute -A” (AS path lookup) equivalent for Win XP?

Can anyone recommend a Win XP command-line traceroute implementation providing a function equivalent to the Linux "traceroute -A" option, which includes in its output the BGP AS number (Autonomous ...
0
votes
2answers
701 views

BGP/ASN: Network without own backbone?

I'm trying to understand the principles of routing in the internet, especially regarding (E)BGP. So far, I understand the situation of a "typical" ISP (e.g. with the ASN 2) that has its own backbone, ...
3
votes
1answer
271 views

32-bit AS number. Where can it be tricky?

Can 32-bit ASN be dangerous/tricky in any way? We are currently implanting BGP in our network. One of the uplinks has emphasized that their ASN is 32-bit. Ours is 32-bits as well. What is it I should ...
1
vote
2answers
1k views

How do I get an AS-number?

Where and how to get an AS-number? What I need? How much does it cost?
11
votes
2answers
5k views

How IP addresses are mapped to Autonomous System Numbers?

How are IP addresses mapped to Autonomous System Numbers (ASNs)? Is there a reference database for it? Then how are these Autonomous Systems geographically located?
4
votes
1answer
175 views

Is it safe to assume that two hosts on the same /24 network belong to the same AS-number?

Assume two IP-addresses in the same /24 network (say 1.2.3.*): 1.2.3.X 1.2.3.Y Is it safe to assume that these two hosts belong to the same AS-number? If not, roughly how often is that the case ...