It's anticipated/hoped, that the IPv4 changes will go approximately as follows: "old" "new" 96.86.170.224 198.144.194.232 network 96.86.170.225 198.144.194.234 96.86.170.226 198.144.194.235 96.86.170.227 198.144.194.236 96.86.170.228 198.144.194.237 96.86.170.229 198.144.194.238 balug.org./[L]UGs 96.86.170.230 198.144.194.233 gateway 96.86.170.231 198.144.194.239 broadcast The "old" IPv4 IPs will go away >~=2019-12-19, most notably of interest to BALUG/[L]UGs (,SF-LUG, BerkeleyLUG), the IPs noted as: balug.org./[L]UGs Not guaranteed until operational, but expecting likely the "new" IPv4 IPs will start to become operational on or slightly after 2019-12-12, and will be transitioned to and made fully operational as quickly as feasible. It's anticipated there will be some overlap period where both are operational.
Both operational(?) ... for a bit? Yes, at least that's the plan/theory, roughly like this: o new IPs added to hosts o conditional (from) routing added to hosts (from new to use new gateway) o DNS slaves updated on status once masters available on new IPs o new IPs added to DNS (some may go in phases) o "reverse" DNS updates o SMTP "tests" / warm-up o "new" default route; conditional (froms): add "old"; drop "new" (superseded) o DNS notify IPv4 source updated o "old" IPv4s removed from DNS in advance (>=TTLs) of old IPv4 decommissionings
From: "Michael Paoli" Michael.Paoli@cal.berkeley.edu Subject: IPv4 IP changes coming! Date: Wed, 13 Nov 2019 05:05:23 -0800
So, I'll be changing ISP (at least for IPv4) ... that'll mean new IPs for IPv4 ... most notably for these [L]UG domains (and in general subdomains thereof): balug.org sf-lug.org sflug.org sflug.com sflug.net sf-lug.net sf-lug.com berkeleylug.com berkeleylug.org
A bit more generally:
By not later than end of 2019-12-19, these IPv4 IPs (range) will be "going away"/changing: 198.144.194.232/29 198.144.194.232 - 198.144.194.239 198.144.194.232 198.144.194.233 198.144.194.234 198.144.194.235 198.144.194.236 198.144.194.237 198.144.194.238 198.144.194.239
At present, my IPv6 is provided from another ISP (tunneled via IPv4), so I'm expecting the IPv6 IPs will remain the same (at least through this transition anyway).
Anyway, hopefully all these changes will happen rather to quite smoothly ... but a bit early to say. E.g., as I transition ISPs, there may be brief(ish) period between, when temporarily neither is available. We shall see. I'll update relevant contatct(s)/lists as/when relevant and appropriate and I'm reasonably able to do so. Hopefully I can minimize any "user facing" impact ... if I'm reasonably lucky, may be able to do it quite seamlessly, with essentially no impact to "users" ... we shall see.
references/excerpts: http://linuxmafia.com/pipermail/conspire/2019-November/009966.html