who_is_using_this_ip_address
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who_is_using_this_ip_address [2014/02/08 22:47] – [2.2- Riswhois Server] samer | who_is_using_this_ip_address [2014/02/09 12:47] – [2- Using BGP Information] samer | ||
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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). Given an IPv4 or IPv6 address, RISwhois will tell which prefixes and origin ASes on which RRCs match that particular IP. | + | 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) |
<WRAP info> | <WRAP info> | ||
Line 74: | Line 74: | ||
</ | </ | ||
- | In the following, a simple example | + | In the following, a simple example shows the output of a Riswhois |
< | < | ||
- | $ whois -h riswhois.ripe.net 217.70.180.132 | + | $ whois -h riswhois.ripe.net 203.178.141.194 |
+ | route: | ||
+ | origin: | ||
+ | descr: | ||
+ | lastupd-frst: | ||
+ | lastupd-last: | ||
+ | seen-at: | ||
+ | num-rispeers: | ||
+ | source: | ||
+ | </ | ||
+ | |||
+ | <WRAP round important> | ||
+ | Due to BGP policies between ASes in the Internet, RRCs may receive different BGP information for the same IP prefix. Therefore, Riswhois provides multiple matchings for the IP prefix, as in the following example. In such cases, a longest prefix matching may help in choosing a single originating AS. | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | $ whois -h riswhois.ripe.net 217.70.184.1 | ||
route: | route: | ||
origin: | origin: |
who_is_using_this_ip_address.txt · Last modified: 2014/02/15 23:31 by samer