Leasing is ill-advised; the addresses will be unsellable once the spammers are through with them. Really, there¹s no other reason to lease.
If you want to buy or sell addresses in the ARIN region, some of the facilitators at https://www.arin.net/resources/transfer_listing/facilitator_list.html are pretty good (ask me; I¹ll let you know my opinions privately). The only ones I know who will deal in blocks as small as /24 are http://www.ipv4auctions.com/ There may be others I don¹t know about. Of course you have to ask whether IPv6 is a possible alternative, and you shouldn¹t go to all the troule and expense of buying addresses without turning up dual-stack. That would be like spending $20 for a tissue when you need a $10 cold medicine; it helps, but not for long. Lee On 12/17/15, 9:31 PM, "NANOG on behalf of Nick Ellermann" <nanog-boun...@nanog.org on behalf of nellerm...@broadaspect.com> wrote: >We have customers asking to lease IP space for BGP transit with us and >other peers. But they are struggling to get at a minimum even a Class C, >even though they have their own ASN. We don't have large amounts of free >IPv4 space to lease out to a single customer in most cases anymore. Hope >to at least introduce these customers to some contacts that may be able >to help. >Do we know of any reputable sources that are leasing or selling IPv4 >subnets as small as a /24 to satisfy their diversity needs? Thanks! > >Sincerely, >Nick Ellermann - CTO & VP Cloud Services >BroadAspect > >E: nellerm...@broadaspect.com<mailto:nellerm...@broadaspect.com> >P: 703-297-4639 >F: 703-996-4443 > >THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY >MATERIAL and is thus for use only by the intended recipient. If you >received this in error, please contact the sender and delete the e-mail >and its attachments from all computers. > >