who_is_using_this_ip_address
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
who_is_using_this_ip_address [2014/02/09 00:23] – [2.2- Riswhois Server] samer | who_is_using_this_ip_address [2014/02/09 13:04] – [3- A Do-It-Yourself BGP Query Service] samer | ||
---|---|---|---|
Line 45: | Line 45: | ||
Community: 15290:3356 15290:64995 15290:65050 15290:65506 | Community: 15290:3356 15290:64995 15290:65050 15290:65506 | ||
- | Despite its availability, | + | Despite its availability, |
==== -- Team Cymru whois Server ==== | ==== -- Team Cymru whois Server ==== | ||
- | Team Cymru implements the '' | + | Team Cymru implements the '' |
< | < | ||
Line 57: | Line 57: | ||
</ | </ | ||
- | and another example that demonstrates the possibility of sending multiple | + | and another example that demonstrates the possibility of sending multiple |
< | < | ||
Line 68: | Line 68: | ||
==== -- Riswhois Server ==== | ==== -- Riswhois Server ==== | ||
- | RIPE NCC implements a similar whois service named RISwhois by providing a higher level view over the most recently collected set of routing tables from the Remote Route Collectors (RRCs) at different [[http:// | + | RIPE NCC implements a similar whois service named RISwhois by providing a higher level view over the most recently collected set of routing tables from the Remote Route Collectors (RRCs) at different [[http:// |
<WRAP info> | <WRAP info> | ||
Line 89: | Line 89: | ||
<WRAP round important> | <WRAP round important> | ||
- | Note RRCs may receive different information for the same IP prefix. | + | Due to BGP policies between ASes in the Internet, |
- | that Riswhois | + | |
</ | </ | ||
Line 114: | Line 113: | ||
</ | </ | ||
===== -- A Do-It-Yourself BGP Query Service ===== | ===== -- A Do-It-Yourself BGP Query Service ===== | ||
+ | |||
+ | When accessing the online servers (Riswhois, Cymru or legacy whois servers) is not possible or not recommended, | ||
+ | Here are some hints and recipes to implement a server that maps IP prefixes with AS numbers based on BGP information. | ||
- | Start by downloading | + | ==== Basic Steps ==== |
+ | |||
+ | Start by downloading | ||
+ | |||
+ | < | ||
+ | $ wget http:// | ||
+ | </ | ||
+ | |||
+ | As raw data is written in MRT format, you need to install [[https:// | ||
+ | |||
+ | < | ||
+ | $ zcat latest-bview.gz | bgpdump | ||
+ | </ | ||
+ | |||
+ | Use any scripting language to perform a best prefix match and output the origin AS of your desired IP prefix. |
who_is_using_this_ip_address.txt · Last modified: 2014/02/15 23:31 by samer