[db-wg] whois lookup limits
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Hank Nussbacher
hank at efes.iucc.ac.il
Tue Jun 28 18:33:18 CEST 2005
At 06:00 PM 28-06-05 +0200, Shane Kerr wrote: Many thanks for the fast reply! -Hank >Hank, > >Hank Nussbacher wrote: >>What are the current limits on whois lookups and how does one get a >>specific IP changed? I have someone getting "ERROR:202: access control >>limit reached for x.x.x.x" >We have a standard reply to questions about rate limits: > >========================================================================= > >If you have not been permanently denied access, if you wait the limit >will lift itself. Every 12 hours the count is reduced to 0.5 times the >previous level, plus all of the queries made in that period. If you >repeatedly query after you have been denied you WILL be permanently >denied. > >The limit is ONLY in effect for person or role data. This is because of >the privacy restrictions on said data - it contains information such as >e-mail and phone contact that may be sensitive. In order to query the >database without viewing such data, please use the "nonrecursive" option >to the query. This will return only the actual records, rather than >also returning the contact information. This is specified with the "-r" >flag. > >If you need the data you may retrieve it from the RIPE FTP site, at the >following URL: > >ftp://ftp.ripe.net/ripe/dbase/ripe.db.gz > >You can also get portions of the database by object type in the >following directory: > >ftp://ftp.ripe.net/ripe/dbase/split/ > >For instance, to get a list of aut-num objects you would retrieve: > >ftp://ftp.ripe.net/ripe/dbase/split/ripe.db.aut-num.gz > >If you have a legitimate need for massive queries to the Whois database, >you may wish to run a Near Real-Time Mirror. Please contact us at ><mailto:ripe-dbm at ripe.net><ripe-dbm at ripe.net> for more information about >this option if you think >it applies to you. > >========================================================================= > >Some bits missing from this: > * We track everything based on client IP address, which means NAT and > firewalls and things like that can cause confusion (which is why we tell > you what IP address we are blocking in our reply). > * The default limit is a count of 5000 private (PERSON or ROLE) objects. > * The actual limit can be changed for any given CIDR range, and we do > that occasionally for users with special needs who sign an AUP. > * Permanent denial only happens after 32767 temporary denials, which > basically means someone running an out-of-control script, or someone > running a web page that forwards queries to the RIPE server (you can get > a special proxy AUP for this second case). >As always, e-mail <mailto:ripe-dbm at ripe.net><ripe-dbm at ripe.net> if you get >blocked, need an AUP, or have any other questions about the RIPE Whois >Database. > >The rate limiting is a bit odd and hard to understand, but it has worked >pretty good for the last 4 years. At some point we are planning on >changing it to a simple linear decay (rather than "halving after 12 >hours"), but it is a low priority. > >-- >Shane Kerr >Software Engineering Department Manager >RIPE NCC > >+++++++++++++++++++++++++++++++++++++++++++ >This Mail Was Scanned By Mail-seCure System >at the Tel-Aviv University CC.
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