[lacnog] Fwd: Weekly Global IPv6 Routing Table Summary

Jue Ago 21 18:09:50 -03 2025

Creo que es una excelente idea mandarlo por acá semanalmante,
gracias por el aporte!

Hugo

On 09:44 21/08, Alejandro Acosta wrote:
> Muy buenos días lista,
> 
>   Paso por aquí para compartirles el correo que está más abajo, titulado:
> **"Weekly Global IPv6 Routing Table Summary"**.
> 
>   Como seguramente todos han notado, los días viernes llega a la lista de
> LACNOG (y a muchas otras listas) un email con el mismo nombre, pero sobre
> IPv4 (¡gracias, Phil!).
> 
>   Para hacer el cuento corto, desde finales del año pasado, unos pasantes de
> la Universidad Central de Venezuela se pusieron a trabajar en esta idea y,
> con el apoyo de VENOG y LACNIC, hoy podemos decir que el proyecto es un
> éxito. El correo resume semanalmente muchas estadísticas de IPv6 en la tabla
> BGP y, adicionalmente, incluye un pequeño detalle por RIR.
> 
>   Y para ir cerrando, aquellos NOGs que estén interesados en recibir este
> informe, no duden en avisarnos; con mucho gusto serán agregados. Actualmente
> está automatizado para los días jueves pero con mucho gusto se ajusta a la
> necesidad del solicitante.
> 
>   Reciban un fuerte abrazo,
> 
> 
> Alejandro,
> 
> P.D. Este trabajo no termina aquí, hay mucho más que puede/debe ser añadido.
> 
> 
> 
> -------- Forwarded Message --------
> Subject: 	Weekly Global IPv6 Routing Table Summary
> Date: 	Thu, 21 Aug 2025 05:49:16 -0700 (PDT)
> From: 	weeklyipv6report en gmail.com
> To: 	alejandro en lacnic.net
> 
> 
> 
> 
> This is an automated weekly mailing describing the state of the Global
> IPv6 Routing Table as seen from Potaroo.net
> (https://bgp.potaroo.net/v6/as2.0/bgptable.txt)
> 
> The posting is sent to VENOG.
> If you wish to be added please send an email to: info.venog en gmail.com
> 
> Global Analysis Summary
> --------------------------------------------------------------------------------------
> 
> BGP routing table entries examined: 233133
> Prefix with the most prepends: {'PREFIX': '2803:6850:1::/48', 'Count': 29,
> 'AS': '273113'}
> Unidentified prefixes: 0
> Number of AS_SET found in the Routing Table: 22
> Longest Global AS PATH: 44
> Prefixes identified as IANA: 5
> Global Average Prefix Length: 42.91
> Number of /48s globally: 105191
> 
> Total ASes present in the Internet Routing Table: 35087
> Average number of ASes per prefix: 6.64
> 
> Number of 32-bit ASes globally: 22193
> Number of 16-bit ASes globally: 12894
> 
> Number of ASes that are only origin: 32546
> Number of 16-bit ASes that are only origin: 11317
> Number of 32-bit ASes that are only origin: 21229
> 
> Number of ASes that are only transit: 144
> Number of 16-bit ASes that are only transit: 89
> Number of 32-bit ASes that are only transit: 55
> 
> Number of Transit ASes that also announce prefixes: 2541
> 
> Number of bogon 16-bit ASNs visible in the Routing Table: 0
> 
> Number of bogon 32-bit ASNs visible in the Routing Table: 0
> 
> Unidentified ASes: 3
> 
> APNIC Region Analysis Summary
> --------------------------------------------------------------------------------------
> 
> APNIC IPv6 prefixes: 2001:200::/23 2001:c00::/23 2001:e00::/23
> 2001:4400::/23 2001:8000::/19 2001:a000::/20 2001:b000::/20 2400::/12
> 2410::/12
> 
> Number of prefixes analyzed in APNIC: 84746
> Average number of prefixes according to the number of ASes in APNIC: 9.03
> Average Prefix Length in APNIC: 43.78
> Number of /48s in APNIC: 35333
> Longest PATH in APNIC: 24
> Prefix with most prepends in APNIC {'PREFIX': '2401:aea0::/32', 'Count': 19,
> 'AS': '135823'}
> 
> Number of ASes in APNIC: 9388
> Number of 32-bit ASes in APNIC: 7627
> Number of 16-bit ASes that are only origin in APNIC: 1474
> Number of 32-bit ASes that are only origin in APNIC: 7467
> Number of 16-bit ASes that are only transit in APNIC: 23
> Number of 32-bit ASes that are only transit in APNIC: 24
> Number of Transit ASes that also announce prefixes in APNIC: 441
> 
> ARIN Region Analysis Summary
> --------------------------------------------------------------------------------------
> 
> ARIN IPv6 prefixes: 2001:400::/23 2001:1800::/23 2001:4800::/23 2600::/12
> 2610::/23 2620::/23 2630::/12
> 
> Number of prefixes analyzed in ARIN: 36950
> Average number of prefixes according to the number of ASes in ARIN: 7.47
> Average Prefix Length in ARIN: 44.6
> Number of /48s in ARIN: 21164
> Longest AS PATH in ARIN: 27
> Prefix with most prepends in ARIN {'PREFIX': '2604:5500::/42', 'Count': 25,
> 'AS': '19165'}
> 
> Number of ASes in ARIN: 4947
> Number of 32-bit ASes in ARIN: 1358
> Number of 16-bit ASes that are only origin in ARIN: 3279
> Number of 32-bit ASes that are only origin in ARIN: 1324
> Number of 16-bit ASes that are only transit in ARIN: 13
> Number of 32-bit ASes that are only transit in ARIN: 5
> Number of Transit ASes that also announce prefixes in ARIN: 343
> 
> LACNIC Region Analysis Summary
> --------------------------------------------------------------------------------------
> 
> LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12
> 
> Number of prefixes analyzed in LACNIC: 48846
> Average number of prefixes according to the number of ASes in LACNIC: 5.42
> Average Prefix Length in LACNIC: 40.88
> Number of /48s in LACNIC: 17731
> Longest AS PATH in LACNIC: 44
> Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count':
> 29, 'AS': '273113'}
> 
> Number of ASes in LACNIC: 9012
> Number of 32-bit ASes in LACNIC: 7616
> Number of 16-bit ASes that are only origin in LACNIC: 1091
> Number of 32-bit ASes that are only origin in LACNIC: 6985
> Number of 16-bit ASes that are only transit in LACNIC: 11
> Number of 32-bit ASes that are only transit in LACNIC: 12
> Number of Transit ASes that also announce prefixes in LACNIC: 929
> 
> AFRINIC Region Analysis Summary
> --------------------------------------------------------------------------------------
> AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12
> 
> Number of prefixes analyzed in AFRINIC: 3103
> Average number of prefixes according to the number of ASes in AFRINIC: 4.83
> Average Prefix Length in AFRINIC: 42.33
> Number of /48s in AFRINIC: 1393
> Longest AS PATH in AFRINIC: 15
> Prefix with most prepends in AFRINIC {'PREFIX': '2c0f:fc89::/32', 'Count':
> 11, 'AS': '36992'}
> 
> Number of ASes in AFRINIC: 643
> Number of 32-bit ASes in AFRINIC: 362
> Number of 16-bit ASes that are only origin in AFRINIC: 241
> Number of 32-bit ASes that are only origin in AFRINIC: 358
> Number of 16-bit ASes that are only transit in AFRINIC: 1
> Number of 32-bit ASes that are only transit in AFRINIC: 1
> Number of Transit ASes that also announce prefixes in AFRINIC: 44
> 
> RIPE Region Analysis Summary
> ---------------------------------------------------------------------------------
> 
> RIPE IPv6 prefixes: 2001:600::/23 2001:800::/22 2001:1400::/22
> 2001:1a00::/23 2001:1c00::/22 2001:2000::/19 2001:4000::/23 2001:4600::/23
> 2001:4a00::/23 2001:4c00::/23 2001:5000::/20 2003::/18 2a00::/12 2a10::/12
> 
> Number of prefixes analyzed in RIPE: 59483
> Average number of prefixes according to the number of ASes in RIPE: 5.36
> Average Prefix Length in RIPE: 42.33
> Number of /48s in RIPE: 29568
> Longest AS PATH in RIPE: 29
> Prefix with most prepends in RIPE {'PREFIX': '2a13:9500:c8::/48', 'Count':
> 24, 'AS': '153060'}
> 
> Number of ASes in RIPE: 11094
> Number of 32-bit ASes in RIPE: 5225
> Number of 16-bit ASes that are only origin in RIPE: 5219
> Number of 32-bit ASes that are only origin in RIPE: 5090
> Number of 16-bit ASes that are only transit in RIPE: 41
> Number of 32-bit ASes that are only transit in RIPE: 12
> Number of Transit ASes that also announce prefixes in RIPE: 784
> 
> 
> End of report
> Based on Phil Smith's IPv4 Weekly Report
> 

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