Weekly Routing Table Report

Patrick W. Gilmore patrick at ianai.net
Fri Aug 30 20:40:17 UTC 2019


The hope is the v6 DFZ will not grow nearly as fast because of far less fragmentation.

But who knows?

Also, even today TCAM ain’t cheap. Let’s hope it those numbers are not “nothing”.

-- 
TTFN,
patrick

> On Aug 30, 2019, at 4:33 PM, Romeo Czumbil <Romeo.Czumbil at tierpoint.com <mailto:Romeo.Czumbil at tierpoint.com>> wrote:
> 
> These numbers are nothing. Wait till IPv6 really start taking off.
> 
> 
> -----Original Message-----
> From: NANOG <nanog-bounces at nanog.org <mailto:nanog-bounces at nanog.org>> On Behalf Of Patrick W. Gilmore
> Sent: Friday, August 30, 2019 3:09 PM
> To: North American Operators' Group <nanog at nanog.org <mailto:nanog at nanog.org>>
> Subject: Re: Weekly Routing Table Report
> 
> A very long time ago, I commented on this report hitting 250,000 prefixes. It was a Big F*#@$&! Deal at the time. A quarter million prefixes in the DFZ? Wow….
> 
> Then I did it again at 500,000. People commented that I should have waited for 512,000 - especially since a popular piece of kit was expected to fall over at 512K prefixes. But I said I liked round numbers.
> 
> This time I waited for 768,000. (Everyone happy now?)
> 
> To say “the Internet grew more than anyone expected” is beyond cliché these days, but that does not make it any less true. The Internet has transformed from a curiosity into something my son[*] and a good portion of his entire generation cannot conceive of living without. A great many people on this list had a part in making all that happen.
> 
> Stop and think about that for a second. You had a part in literally changing the world.
> 
> It is a 3-day weekend in the US. A good time to pause for a few minutes and consider what all of us accomplished together. Pat yourselves on the back, raise a glass or whatever your personal traditions are, and bask in the glory of a job well done.
> 
> --
> TTFN,
> patrick
> 
> [*] The fact I can say “my son” is probably even more amazing. But that is a different story.
> 
> 
>> On Aug 30, 2019, at 2:04 PM, Routing Analysis Role Account <cscora at apnic.net <mailto:cscora at apnic.net>> wrote:
>> 
>> This is an automated weekly mailing describing the state of the 
>> Internet Routing Table as seen from APNIC's router in Japan.
>> 
>> The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG 
>> TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
>> 
>> Daily listings are sent to bgp-stats at lists.apnic.net <mailto:bgp-stats at lists.apnic.net>
>> 
>> For historical data, please see https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.net&d=DwIFaQ&c=QbKJOwLIrSFJ6b5qo-Piqw&r=7c7AjRoUVcwQLzf0TJlbpkDj0XZUiEY9edXj7_CVNLE&m=maFjVIkqOPdUWLkdE4FI1RUVSfvn9V7rEBtxr4BhRDk&s=RDK_n-hawo1IaJSf4Q6HI-XszJ3Y2nqjqJIcsPf3tcY&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.net&d=DwIFaQ&c=QbKJOwLIrSFJ6b5qo-Piqw&r=7c7AjRoUVcwQLzf0TJlbpkDj0XZUiEY9edXj7_CVNLE&m=maFjVIkqOPdUWLkdE4FI1RUVSfvn9V7rEBtxr4BhRDk&s=RDK_n-hawo1IaJSf4Q6HI-XszJ3Y2nqjqJIcsPf3tcY&e=> .
>> 
>> If you have any comments please contact Philip Smith <pfsinoz at gmail.com <mailto:pfsinoz at gmail.com>>.
>> 
>> Routing Table Report   04:00 +10GMT Sat 31 Aug, 2019
>> 
>> Report Website:     https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.net&d=DwIFaQ&c=QbKJOwLIrSFJ6b5qo-Piqw&r=7c7AjRoUVcwQLzf0TJlbpkDj0XZUiEY9edXj7_CVNLE&m=maFjVIkqOPdUWLkdE4FI1RUVSfvn9V7rEBtxr4BhRDk&s=RDK_n-hawo1IaJSf4Q6HI-XszJ3Y2nqjqJIcsPf3tcY&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.net&d=DwIFaQ&c=QbKJOwLIrSFJ6b5qo-Piqw&r=7c7AjRoUVcwQLzf0TJlbpkDj0XZUiEY9edXj7_CVNLE&m=maFjVIkqOPdUWLkdE4FI1RUVSfvn9V7rEBtxr4BhRDk&s=RDK_n-hawo1IaJSf4Q6HI-XszJ3Y2nqjqJIcsPf3tcY&e=> 
>> Detailed Analysis:  
>> https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.n <https://urldefense.proofpoint.com/v2/url?u=http-3A__thyme.rand.apnic.n>
>> et_current_&d=DwIFaQ&c=QbKJOwLIrSFJ6b5qo-Piqw&r=7c7AjRoUVcwQLzf0TJlbpk
>> Dj0XZUiEY9edXj7_CVNLE&m=maFjVIkqOPdUWLkdE4FI1RUVSfvn9V7rEBtxr4BhRDk&s=
>> 1SzKtCXB1OQXt_kKzDwHmtLE8a44hKEkYUtraUzC3gI&e=
>> 
>> Analysis Summary
>> ----------------
>> 
>> BGP routing table entries examined:                              768323
>>   Prefixes after maximum aggregation (per Origin AS):          295832
>>   Deaggregation factor:                                          2.60
>>   Unique aggregates announced (without unneeded subnets):      370810
>> Total ASes present in the Internet Routing Table:                 65326
>>   Prefixes per ASN:                                             11.76
>> Origin-only ASes present in the Internet Routing Table:           56226
>> Origin ASes announcing only one prefix:                           24072
>> Transit ASes present in the Internet Routing Table:                9100
>> Transit-only ASes present in the Internet Routing Table:            269
>> Average AS path length visible in the Internet Routing Table:       4.3
>>   Max AS path length visible:                                      45
>>   Max AS path prepend of ASN ( 27978)                              31
>> Prefixes from unregistered ASNs in the Routing Table:                27
>>   Number of instances of unregistered ASNs:                        27
>> Number of 32-bit ASNs allocated by the RIRs:                      28444
>> Number of 32-bit ASNs visible in the Routing Table:               23268
>> Prefixes from 32-bit ASNs in the Routing Table:                  105688
>> Number of bogon 32-bit ASNs visible in the Routing Table:            14
>> Special use prefixes present in the Routing Table:                    0
>> Prefixes being announced from unallocated address space:            288
>> Number of addresses announced to Internet:                   2834690304
>>   Equivalent to 168 /8s, 245 /16s and 241 /24s
>>   Percentage of available address space announced:               76.6
>>   Percentage of allocated address space announced:               76.6
>>   Percentage of available address space allocated:              100.0
>>   Percentage of address space in use by end-sites:               99.3
>> Total number of prefixes smaller than registry allocations:      257215
>> 
[…]

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