Re: IPv4 Mismanagement

2020-10-05 Thread Justin Streiner
It is a thankless task, but something that becomes increasingly important as $provider starts to run low on IPv4 space to assign to customers. Thank you jms On Mon, Oct 5, 2020, 20:19 Tom Hill wrote: > On 04/10/2020 02:17, Wayne Bouchard wrote: > > Groups that have such things I can only

Re: IPv4 Mismanagement

2020-10-05 Thread Tom Hill
On 04/10/2020 02:17, Wayne Bouchard wrote: > Groups that have such things I can only presume do not do a good job > of periodically going through and auditing their IP allocations or, if > they do, then they don't do a good enough job of cleaning up all the > details. It is a long-winded,

Re: IPv4 Mismanagement

2020-10-03 Thread Wayne Bouchard
Groups that have such things I can only presume do not do a good job of periodically going through and auditing their IP allocations or, if they do, then they don't do a good enough job of cleaning up all the details. On Fri, Oct 02, 2020 at 05:44:13PM -0400, Justin Streiner wrote: > I suspect

Re: IPv4 Mismanagement

2020-10-02 Thread Justin Streiner
I suspect many providers don't have good business processes for reclaiming IP space that was assigned to customers who have either disconnected or voluntarily returned the space. The provider I started out with in the mid/late 90s bootstrapped itself with IP space from MCI (now, CenturyLink... I

Re: IPv4 Mismanagement

2020-10-02 Thread Ryan Wilkins
I have the same thing with a service that was disconnected a couple years ago. Four IP blocks of /24 size are still swipped to us and we’re announcing them. I don’t put any customers on them and just use them for temporary things for fear that some day someone will want them back. > On Oct

Re: IPv4 Mismanagement

2020-10-02 Thread Matt Brennan
A service I disconnected more than 2 years ago still has a /24 of their space SWIPED to me. Their NOC closed the ticket I opened to remove. Unknown if it's actually in use for another customer. I also had a conversation last week with another ISP (we were renegotiating our contract) about this.

IPv4 Mismanagement

2020-10-02 Thread Matt Hoppes
I'm sitting here in the office on a Friday performing some IP maintenance and I see that one of our upstreams is still filtering an IP range we haven't used in years. I dig into it a bit more and it turns out a major carrier still has them SWIPed to us. This got me curious and I dug more