[lacnog] Weekly Global IPv6 Routing Table Summary

Jue Oct 15 11:40:07 -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, APOPS, PACNOG 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: 261663
    Prefix with the most prepends: {'PREFIX': '2001:DF2:AEC0::/48', 'Count': 35, 'AS': '141509'}
    Unidentified prefixes: 0
    Number of AS_SET found in the Routing Table: 0
    Longest Global AS PATH: 40
    Prefixes identified as IANA: 8
    Global Average Prefix Length: 42.98
    Number of /48s globally: 120177
    Prefixes after maximum aggregation (per Origin AS): 144947
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 215317
    Global - Prefixes with an invalid RPKI status: 932
    Global - ROA‑uncovered prefixes: 45414

  Total ASes present in the Internet Routing Table: 37414
    Global - Average number of prefixes according to the number of ASes: 6.99

    Number of 32-bit ASes globally: 24422
    Number of 16-bit ASes globally: 12992

    Number of ASes that are only origin: 34080
      Number of 16-bit ASes that are only origin: 11045
      Number of 32-bit ASes that are only origin: 23035

    Number of ASes that are only transit: 188
      Number of 16-bit ASes that are only transit: 127
      Number of 32-bit ASes that are only transit: 61

    Number of Transit ASes that also announce prefixes: 3334

    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: 89855
    Average number of prefixes according to the number of ASes in APNIC: 9.19
    Average Prefix Length in APNIC: 43.59
    Number of /48s in APNIC: 35815
    Longest PATH in APNIC: 40
    Prefix with most prepends in APNIC {'PREFIX': '2001:DF2:AEC0::/48', 'Count': 35, 'AS': '141509'}

    Prefixes after maximum aggregation (per Origin AS): 39040
    IPv6 deaggregation factor: 2.23

    APNIC - Prefixes with a valid RPKI status: 81751
    APNIC - Prefixes with an invalid RPKI status: 582
    APNIC - ROA‑uncovered prefixes: 7522

  Number of ASes in APNIC: 9774
    Number of 32-bit ASes in APNIC: 8019
    Number of 16-bit ASes that are only origin in APNIC: 1422
    Number of 32-bit ASes that are only origin in APNIC: 7783
    Number of 16-bit ASes that are only transit in APNIC: 40
    Number of 32-bit ASes that are only transit in APNIC: 23
    Number of Transit ASes that also announce prefixes in APNIC: 568

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: 44208
    Average number of prefixes according to the number of ASes in ARIN: 8.22
    Average Prefix Length in ARIN: 44.53
    Number of /48s in ARIN: 25121
    Longest AS PATH in ARIN: 23
    Prefix with most prepends in ARIN {'PREFIX': '2602:F30F::/36', 'Count': 19, 'AS': '397920'}

    Prefixes after maximum aggregation (per Origin AS): 36353
    IPv6 deaggregation factor: 1.61

    ARIN - Prefixes with a valid RPKI status: 34387
    ARIN - Prefixes with an invalid RPKI status: 50
    ARIN - ROA‑uncovered prefixes: 9771

  Number of ASes in ARIN: 5380
    Number of 32-bit ASes in ARIN: 1678
    Number of 16-bit ASes that are only origin in ARIN: 3298
    Number of 32-bit ASes that are only origin in ARIN: 1634
    Number of 16-bit ASes that are only transit in ARIN: 27
    Number of 32-bit ASes that are only transit in ARIN: 7
    Number of Transit ASes that also announce prefixes in ARIN: 444

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

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

  Number of prefixes analyzed in LACNIC: 56742
    Average number of prefixes according to the number of ASes in LACNIC: 5.87
    Average Prefix Length in LACNIC: 41.05
    Number of /48s in LACNIC: 21678
    Longest AS PATH in LACNIC: 33
    Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}

    Prefixes after maximum aggregation (per Origin AS): 33644
    IPv6 deaggregation factor: 1.61

    LACNIC - Prefixes with a valid RPKI status: 38845
    LACNIC - Prefixes with an invalid RPKI status: 30
    LACNIC - ROA‑uncovered prefixes: 17867

  Number of ASes in LACNIC: 9659
    Number of 32-bit ASes in LACNIC: 8237
    Number of 16-bit ASes that are only origin in LACNIC: 1092
    Number of 32-bit ASes that are only origin in LACNIC: 7383
    Number of 16-bit ASes that are only transit in LACNIC: 6
    Number of 32-bit ASes that are only transit in LACNIC: 11
    Number of Transit ASes that also announce prefixes in LACNIC: 1183

AFRINIC Region Analysis Summary
--------------------------------------------------------------------------------------

  AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12

  Number of prefixes analyzed in AFRINIC: 4646
    Average number of prefixes according to the number of ASes in AFRINIC: 6.79
    Average Prefix Length in AFRINIC: 43.74
    Number of /48s in AFRINIC: 2643
    Longest AS PATH in AFRINIC: 16
    Prefix with most prepends in AFRINIC {'PREFIX': '2C0F:2280:2::/48', 'Count': 11, 'AS': '36873'}

    Prefixes after maximum aggregation (per Origin AS): 1790
    IPv6 deaggregation factor: 2.46

    AFRINIC - Prefixes with a valid RPKI status: 3326
    AFRINIC - Prefixes with an invalid RPKI status: 3
    AFRINIC - ROA‑uncovered prefixes: 1317

  Number of ASes in AFRINIC: 684
    Number of 32-bit ASes in AFRINIC: 408
    Number of 16-bit ASes that are only origin in AFRINIC: 224
    Number of 32-bit ASes that are only origin in AFRINIC: 392
    Number of 16-bit ASes that are only transit in AFRINIC: 3
    Number of 32-bit ASes that are only transit in AFRINIC: 2
    Number of Transit ASes that also announce prefixes in AFRINIC: 68

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: 66204
    Average number of prefixes according to the number of ASes in RIPE: 5.56
    Average Prefix Length in RIPE: 42.71
    Number of /48s in RIPE: 34915
    Longest AS PATH in RIPE: 36
    Prefix with most prepends in RIPE {'PREFIX': '2A13:C8C4:3000::/36', 'Count': 30, 'AS': '205941'}

    Prefixes after maximum aggregation (per Origin AS): 34836
    IPv6 deaggregation factor: 1.67

    RIPE - Prefixes with a valid RPKI status: 57007
    RIPE - Prefixes with an invalid RPKI status: 267
    RIPE - ROA‑uncovered prefixes: 8930

  Number of ASes in RIPE: 11917
    Number of 32-bit ASes in RIPE: 6076
    Number of 16-bit ASes that are only origin in RIPE: 5004
    Number of 32-bit ASes that are only origin in RIPE: 5839
    Number of 16-bit ASes that are only transit in RIPE: 50
    Number of 32-bit ASes that are only transit in RIPE: 16
    Number of Transit ASes that also announce prefixes in RIPE: 1071

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