M&A plays into this too. By my calculations, CenturyLink controls at least 17 million /48s. How many sites does CenturyLink provide service to? I'm gonna go out on a limb and say it's not 17 million.
3 acquisitions rolled up into AS209: as3549 2605:a300::/32 2001:450::/32 as4323 2604:6680::/32 2602:ff99::/36 2620:12e:6000::/40 2620:10e:8000::/40 2620:124:8000::/44 2001:506:8::/48 2620:75::/48 2620:f:4000::/48 2620:3b:4000::/48 2620:c5:4000::/48 as3356 2607:6e00::/32 2606:8a00::/32 2604:3a00::/32 2605:1280::/32 2605:4680::/32 2605:c680::/32 2604:24c0::/32 2602:ffeb::/36 2602:ffe1::/36 2620:109::/40 2620:123:d000::/40 2620:12d:c000::/44 2620:42:4000::/48 2620:87:4000::/48 2620:8d:c000::/48 2620:ba:c000::/48 2620:f8:c000::/48 2604:5200:1007::/48 2620:6:e000::/48 as209 2602::/24 2606:5000::/32 2605:c680::/32 2602:ff5f::/36 2620:123:3000::/40 2620:12e:6000::/40 2620:9c:4000::/44 2620:122:4000::/44 2620:123:b000::/44 2001:428:902::/48 2001:428:7001::/48 2001:428:7004::/48 2001:428:4004::/48 2001:428:3000::/48 2001:428:2403::/48 2001:428:7005::/48 2001:428:939::/48 2001:428:6803::/48 2001:428:5003::/48 2001:428:e203::/48 2001:428:3804::/48 2620:0:2280::/48 2620:0:2b20::/48 2001:428:4c04::/48 2001:428:4c05::/48 2001:428:5004::/48 2001:428:1403::/48 2001:428:1404::/48 2001:428:6804::/48 2001:428:2502::/48 2001:428:2501::/48 2001:428:200c::/48 2001:428:480a::/48 2620:d9:8000::/48 2001:428:5804::/48 2001:428:2406::/48 2001:428:1804::/48 2001:428:2405::/48 2001:428:2408::/48 2001:428:1c03::/48 2001:428:6403::/48 2001:428:1803::/48 2001:428:7009::/48 2001:428:5806::/48 2620:42:4000::/48 2001:428:1405::/48 2001:428:3c03::/48 2001:428:e204::/48 2001:428:e205::/48 2001:428:1806::/48 2001:428:6805::/48 2001:428:1808::/48 2001:428:1809::/48 2001:428:a403::/48 2001:428:4407::/48 2001:428:3807::/48 2001:428:c0c::/48 2001:428:4003::/48 2001:428:4803::/48 2001:428:1003::/48 2001:428:3808::/48 2001:428:30::/48 2620:ac:c000::/48 2001:428:700c::/48 2001:428:5803::/48 2001:428:380b::/48 2001:428:380c::/48 2001:428:380d::/48 2001:428:4403::/48 2001:428:aa03::/48 2001:428:4404::/48 2001:428:2407::/48 2001:428:240b::/48 2001:428:4c09::/48 2001:428:700a::/48 2001:428:c08::/48 2001:428:2004::/48 2001:428:2404::/48 2001:428:7007::/48 2001:428:7405::/48 2001:428:c0b::/48 2001:428:4406::/48 2001:428:c05::/48 2001:428:c06::/48 2001:428:3805::/48 2001:428:4c07::/48 2001:428:2003::/48 2001:428:2005::/48 2001:428:6404::/48 2001:428:7404::/48 2001:428:240a::/48 2001:428:4405::/48 2001:428:4c08::/48 2001:428:2002::/48 2001:428:c09::/48 2001:428:240e::/48 2001:428:4408::/48 2001:428:380e::/48 2001:428:4005::/48 2001:428:4409::/48 2001:428:a404::/48 2001:428:1004::/48 2001:428:8c03::/48 2001:428:9e03::/48 2001:428:3810::/48 2001:428:700d::/48 2001:428:2006::/48 2001:428:6405::/48 2001:428:a405::/48 2001:428:8c04::/48 2001:428:5805::/48 2620:74:c040::/48 2620:6:e000::/48 2001:428:1805::/48 2001:428:b003::/48 2001:428:3c04::/48 2001:428:6400::/48 2001:428:8c00::/48 2001:428:9e00::/48 2001:428:1c00::/48 2001:428:7006::/48 2001:428:4c00::/48 2001:428:2400::/48 2001:428:7008::/48 source: source: http://irrexplorer.nlnog.net/static/dumps/arin-whois-originas.json.bz2 Jason On Wed, Dec 20, 2017 at 8:47 PM, Mark Andrews <ma...@isc.org> wrote: > The RIR’s assignment to ISPs assume relatively dense assignment of /48 to > customers. ISPs still have to justify the allocation based on the number of > customers sites for shorter than a /32. RIR assignments to non ISPs are also > relatively dense. If you have multiple sites you don’t need contiguous > addresses. > > Automatic assignment in homenet does dense assignment. > >> On 21 Dec 2017, at 12:27 pm, William Herrin <b...@herrin.us> wrote: >> >> On Wed, Dec 20, 2017 at 4:57 PM, Mark Andrews <ma...@isc.org> wrote: >> Handing out /48’s to homes was never ever going to cause us to run out of >> IPv6 space. Even if the homes are are connected to multiple providers there >> isn’t a issue. >> >> Hi Mark, >> >> No single assignment practice would. Sadly no IPv6 addresses reach your >> computer directly from IANA. Multiple layers of assignment practices are >> happen along the way, each with >> it's own cumulative consumption. Most of those layers were designed with the >> independent assumption that "we have so many IPv6 addresses, let's just not >> worry about how many bits are consumed at this step." With a cumulative >> effect on the consumption of IPv6 space. >> >> Regards, >> Bill Herrin >> >> >> >> -- >> William Herrin ................ her...@dirtside.com b...@herrin.us >> Dirtside Systems ......... Web: <http://www.dirtside.com/> > > -- > Mark Andrews, ISC > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org >