<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #808080"><div>Greetings all,<br></div><div><br></div><div>as we know from the internet ecosystem that operators and companies or enterprises obtains their IP addresses from their LIR or RIR (as the case in Sudan) in exchange for a certain fees.<br>I was wondering in the case of AFRINIC if one of its members failed to pay the bill or had any issue that required that its IP resources to be un-allocated.<br>what is the mechanism that AFRINIC can take to do so? if the members is already announcing his prefixes to the internet, is there some sort of  "black list" ?<br>can AFRINIC (or RIR generally) completly un-allocate addresses from that member and shut down his BGP announcment to the internet ?</div><div><br>is may be a simple question, but I really dont know how its done.<br></div><div><br></div><div>Regards,<br></div><div>Samir<br></div><div><br></div><div>--<br></div><div><span name="x"></span><div><p style="padding-right: 10px; font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;" data-mce-style="padding-right: 10px; font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;"><a style="text-decoration: none;" href="http://www.sudren.edu.sd" class="clink sig-hide logo-container" data-mce-href="http://www.sudren.edu.sd" data-mce-style="text-decoration: none;"> <img src="https://htmlsigs.s3.amazonaws.com/logos/files/000/051/234/landscape/small_logo.png" alt="SudREN" class="sig-logo" data-mce-src="https://htmlsigs.s3.amazonaws.com/logos/files/000/051/234/landscape/small_logo.png" border="0" height="77" width="108"> </a><br data-mce-bogus="1"></p><p style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; color: #212121; margin: 0px;" data-mce-style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; color: #212121; margin: 0px;"><span style="font-weight: bold; color: #000000; display: inline;" class="txt signature_name-input sig-hide" data-mce-style="font-weight: bold; color: #000000; display: inline;">Samir Abdullatif</span> <span style="display: inline;" class="title-sep sep" data-mce-style="display: inline;">/</span> <span style="color: #000000; display: inline;" class="txt signature_jobtitle-input sig-hide" data-mce-style="color: #000000; display: inline;">Head of Electronic Services Unit</span> <span style="display: inline;" class="email-sep break" data-mce-style="display: inline;"><br></span> <span href="mailto:samir.saif@sudren.edu.sd" style="color: #001fff; text-decoration: none; display: inline;" data-mce-href="mailto:samir.saif@sudren.edu.sd" class="link email signature_email-input sig-hide" data-mce-style="color: #001fff; text-decoration: none; display: inline;"></span></p><p style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;" data-mce-style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;"><span style="font-weight: bold; color: #000000; display: inline;" class="txt signature_companyname-input sig-hide" data-mce-style="font-weight: bold; color: #000000; display: inline;">SudREN</span> <span style="display: inline;" class="company-sep break" data-mce-style="display: inline;"></span><span style="display: inline;" class="website-sep break" data-mce-style="display: inline;"><br style="color: #000000; display: inline;" class="txt signature_officephone-input sig-hide" data-mce-style="color: #000000; display: inline;"></span> <a class="link signature_website-input sig-hide" href="http://www.sudren.edu.sd" style="color: #001fff; text-decoration: none; display: inline;" data-mce-href="http://www.sudren.edu.sd" data-mce-style="color: #001fff; text-decoration: none; display: inline;">http://www.sudren.edu.sd</a><br data-mce-bogus="1"></p><p style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;" data-mce-style="font-family: Helvetica,Arial,sans-serif; font-size: 12px; line-height: 14px; margin: 0px;"><a style="text-decoration: none; display: inline;" class="social signature_facebook-input sig-hide" href="http://fttps://facebook.com/samir.s.omer" data-mce-href="http://fttps://facebook.com/samir.s.omer" data-mce-style="text-decoration: none; display: inline;"> <img data-filename="facebook.png" src="https://s3.amazonaws.com/htmlsig-assets/polygon/facebook.png" alt="Facebook" data-mce-src="https://s3.amazonaws.com/htmlsig-assets/polygon/facebook.png" height="24" width="24"> </a> <a style="text-decoration: none; display: inline;" class="social signature_twitter-input sig-hide" href="https://twitter.com/samir_omer" data-mce-href="https://twitter.com/samir_omer" data-mce-style="text-decoration: none; display: inline;"> <img data-filename="twitter.png" src="https://s3.amazonaws.com/htmlsig-assets/polygon/twitter.png" alt="Twitter" data-mce-src="https://s3.amazonaws.com/h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