[lacnog] Weekly Global IPv6 Routing Table Summary

weeklyipv6report en gmail.com weeklyipv6report en gmail.com
Jue Mar 26 11:44:17 -03 2026


This is an automated weekly mailing describing the state of the Global
IPv6 Routing Table as seen from route-views.routeviews.org

The posting is sent to VENOG and LACNOG.
If you wish to be added please send an email to: info.venog en gmail.com

Global Analysis Summary
--------------------------------------------------------------------------------------

  BGP routing table entries examined: 245749
    Prefix with the most prepends: {'PREFIX': '2A0B:7040::/29', 'Count': 31, 'AS': '41307'}
    Unidentified prefixes: 0
    Number of AS_SET found in the Routing Table: 0
    Longest Global AS PATH: 45
    Prefixes identified as IANA: 8
    Global Average Prefix Length: 42.93
    Number of /48s globally: 111926
    Prefixes after maximum aggregation (per Origin AS): 136547
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 164419
    Global - Prefixes with an invalid RPKI status: 1063
    Global - ROA‑uncovered prefixes: 80267

  Total ASes present in the Internet Routing Table: 36172
    Global - Average number of prefixes according to the number of ASes: 6.79

    Number of 32-bit ASes globally: 23213
    Number of 16-bit ASes globally: 12959

    Number of ASes that are only origin: 32985
      Number of 16-bit ASes that are only origin: 11051
      Number of 32-bit ASes that are only origin: 21934

    Number of ASes that are only transit: 170
      Number of 16-bit ASes that are only transit: 114
      Number of 32-bit ASes that are only transit: 56

    Number of Transit ASes that also announce prefixes: 3187

    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: 0

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: 86129
    Average number of prefixes according to the number of ASes in APNIC: 8.96
    Average Prefix Length in APNIC: 43.55
    Number of /48s in APNIC: 34797
    Longest PATH in APNIC: 33
    Prefix with most prepends in APNIC {'PREFIX': '2402:4160::/32', 'Count': 29, 'AS': '154448'}

    Prefixes after maximum aggregation (per Origin AS): 37663
    IPv6 deaggregation factor: 2.24
    
    APNIC - Prefixes with a valid RPKI status: 47868
    APNIC - Prefixes with an invalid RPKI status: 658
    APNIC - ROA‑uncovered prefixes: 37603

  Number of ASes in APNIC: 9611
    Number of 32-bit ASes in APNIC: 7862
    Number of 16-bit ASes that are only origin in APNIC: 1421
    Number of 32-bit ASes that are only origin in APNIC: 7645
    Number of 16-bit ASes that are only transit in APNIC: 35
    Number of 32-bit ASes that are only transit in APNIC: 20
    Number of Transit ASes that also announce prefixes in APNIC: 536

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: 40300
    Average number of prefixes according to the number of ASes in ARIN: 7.71
    Average Prefix Length in ARIN: 44.54
    Number of /48s in ARIN: 22783
    Longest AS PATH in ARIN: 27
    Prefix with most prepends in ARIN {'PREFIX': '2604:5500::/42', 'Count': 25, 'AS': '19165'}

    Prefixes after maximum aggregation (per Origin AS): 33868
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 29736
    ARIN - Prefixes with an invalid RPKI status: 63
    ARIN - ROA‑uncovered prefixes: 10501

  Number of ASes in ARIN: 5227
    Number of 32-bit ASes in ARIN: 1507
    Number of 16-bit ASes that are only origin in ARIN: 3330
    Number of 32-bit ASes that are only origin in ARIN: 1460
    Number of 16-bit ASes that are only transit in ARIN: 24
    Number of 32-bit ASes that are only transit in ARIN: 6
    Number of Transit ASes that also announce prefixes in ARIN: 434

LACNIC Region Analysis Summary
--------------------------------------------------------------------------------------

  LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12

  Number of prefixes analyzed in LACNIC: 52738
    Average number of prefixes according to the number of ASes in LACNIC: 5.63
    Average Prefix Length in LACNIC: 40.97
    Number of /48s in LACNIC: 19377
    Longest AS PATH in LACNIC: 45
    Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}

    Prefixes after maximum aggregation (per Origin AS): 31228
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 31313
    LACNIC - Prefixes with an invalid RPKI status: 58
    LACNIC - ROA‑uncovered prefixes: 21367

  Number of ASes in LACNIC: 9375
    Number of 32-bit ASes in LACNIC: 7947
    Number of 16-bit ASes that are only origin in LACNIC: 1086
    Number of 32-bit ASes that are only origin in LACNIC: 7164
    Number of 16-bit ASes that are only transit in LACNIC: 7
    Number of 32-bit ASes that are only transit in LACNIC: 10
    Number of Transit ASes that also announce prefixes in LACNIC: 1114

AFRINIC Region Analysis Summary
--------------------------------------------------------------------------------------
  
  AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12

  Number of prefixes analyzed in AFRINIC: 4267
    Average number of prefixes according to the number of ASes in AFRINIC: 6.48
    Average Prefix Length in AFRINIC: 43.65
    Number of /48s in AFRINIC: 2392
    Longest AS PATH in AFRINIC: 17
    Prefix with most prepends in AFRINIC {'PREFIX': '2C0F:F2B0::/32', 'Count': 14, 'AS': '328049'}

    Prefixes after maximum aggregation (per Origin AS): 1682
    IPv6 deaggregation factor: 2.39

    AFRINIC - Prefixes with a valid RPKI status: 2912
    AFRINIC - Prefixes with an invalid RPKI status: 1
    AFRINIC - ROA‑uncovered prefixes: 1354

  Number of ASes in AFRINIC: 658
    Number of 32-bit ASes in AFRINIC: 380
    Number of 16-bit ASes that are only origin in AFRINIC: 224
    Number of 32-bit ASes that are only origin in AFRINIC: 364
    Number of 16-bit ASes that are only transit in AFRINIC: 1
    Number of 32-bit ASes that are only transit in AFRINIC: 0
    Number of Transit ASes that also announce prefixes in AFRINIC: 70

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: 62307
    Average number of prefixes according to the number of ASes in RIPE: 5.51
    Average Prefix Length in RIPE: 42.64
    Number of /48s in RIPE: 32572
    Longest AS PATH in RIPE: 35
    Prefix with most prepends in RIPE {'PREFIX': '2A0B:7040::/29', 'Count': 31, 'AS': '41307'}

    Prefixes after maximum aggregation (per Origin AS): 32657
    IPv6 deaggregation factor: 1.66

    RIPE - Prefixes with a valid RPKI status: 52589
    RIPE - Prefixes with an invalid RPKI status: 283
    RIPE - ROA‑uncovered prefixes: 9435

  Number of ASes in RIPE: 11301
    Number of 32-bit ASes in RIPE: 5506
    Number of 16-bit ASes that are only origin in RIPE: 4977
    Number of 32-bit ASes that are only origin in RIPE: 5290
    Number of 16-bit ASes that are only transit in RIPE: 46
    Number of 32-bit ASes that are only transit in RIPE: 19
    Number of Transit ASes that also announce prefixes in RIPE: 1033
    

End of report
Based on Phil Smith's IPv4 Weekly Report
Hosted by LACNIC



Más información sobre la lista de distribución LACNOG