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Questions tagged [as-number]

The tag has no usage guidance.

1
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0answers
155 views

NGINX: Map IP to ASN

in Preparation for GDPR I want my NGINX to not log IP's any longer, but log the AS Number. To map the ip to an AS number, I would use the BGP datasets from Ripe, and import them in an MySQL table. ...
1
vote
1answer
1k views

Remove AS that's falsely associated with our IP from email block list

When I try to send email from our email server to hotmail or outlook.com I get 550 5.7.1 Unfortunately, messages from [216.x.x.x] weren't sent. Please contact your Internet service provider since ...
2
votes
2answers
79 views

Why there is AS number mismatch?

I've noticed that various services for this IP 85.222.136.21 returns different AS numbers. For example, http://bgp.he.net/ip/85.222.136.21#_ipinfo says AS14340, while on the Whois section, there it ...
2
votes
0answers
859 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
116 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
314 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....
2
votes
4answers
20k 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
3k 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
884 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
441 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 ...
2
votes
2answers
3k views

How do I get an AS-number?

Where and how to get an AS-number? What I need? How much does it cost?
16
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3answers
9k 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
204 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 that ...