[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Mar 5 11:38:51 -03 2026


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IPv6 Routing Table as seen from route-views.routeviews.org

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Global Analysis Summary
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  BGP routing table entries examined: 244289
    Prefix with the most prepends: {'PREFIX': '2402:4160::/32', 'Count': 29, 'AS': '154448'}
    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: 111344
    Prefixes after maximum aggregation (per Origin AS): 135865
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 163096
    Global - Prefixes with an invalid RPKI status: 1260
    Global - ROA‑uncovered prefixes: 79933

  Total ASes present in the Internet Routing Table: 36028
    Global - Average number of prefixes according to the number of ASes: 6.78

    Number of 32-bit ASes globally: 23070
    Number of 16-bit ASes globally: 12958

    Number of ASes that are only origin: 32822
      Number of 16-bit ASes that are only origin: 11039
      Number of 32-bit ASes that are only origin: 21783

    Number of ASes that are only transit: 174
      Number of 16-bit ASes that are only transit: 116
      Number of 32-bit ASes that are only transit: 58

    Number of Transit ASes that also announce prefixes: 3206

    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
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  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: 86171
    Average number of prefixes according to the number of ASes in APNIC: 8.99
    Average Prefix Length in APNIC: 43.55
    Number of /48s in APNIC: 34945
    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): 37534
    IPv6 deaggregation factor: 2.25
    
    APNIC - Prefixes with a valid RPKI status: 47937
    APNIC - Prefixes with an invalid RPKI status: 701
    APNIC - ROA‑uncovered prefixes: 37533

  Number of ASes in APNIC: 9583
    Number of 32-bit ASes in APNIC: 7832
    Number of 16-bit ASes that are only origin in APNIC: 1414
    Number of 32-bit ASes that are only origin in APNIC: 7616
    Number of 16-bit ASes that are only transit in APNIC: 35
    Number of 32-bit ASes that are only transit in APNIC: 21
    Number of Transit ASes that also announce prefixes in APNIC: 544

ARIN Region Analysis Summary
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  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: 40083
    Average number of prefixes according to the number of ASes in ARIN: 7.71
    Average Prefix Length in ARIN: 44.55
    Number of /48s in ARIN: 22734
    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): 33755
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 29386
    ARIN - Prefixes with an invalid RPKI status: 73
    ARIN - ROA‑uncovered prefixes: 10624

  Number of ASes in ARIN: 5198
    Number of 32-bit ASes in ARIN: 1481
    Number of 16-bit ASes that are only origin in ARIN: 3328
    Number of 32-bit ASes that are only origin in ARIN: 1434
    Number of 16-bit ASes that are only transit in ARIN: 23
    Number of 32-bit ASes that are only transit in ARIN: 4
    Number of Transit ASes that also announce prefixes in ARIN: 434

LACNIC Region Analysis Summary
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  LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12

  Number of prefixes analyzed in LACNIC: 52351
    Average number of prefixes according to the number of ASes in LACNIC: 5.61
    Average Prefix Length in LACNIC: 40.96
    Number of /48s in LACNIC: 19167
    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): 31042
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 31236
    LACNIC - Prefixes with an invalid RPKI status: 177
    LACNIC - ROA‑uncovered prefixes: 20938

  Number of ASes in LACNIC: 9329
    Number of 32-bit ASes in LACNIC: 7905
    Number of 16-bit ASes that are only origin in LACNIC: 1079
    Number of 32-bit ASes that are only origin in LACNIC: 7101
    Number of 16-bit ASes that are only transit in LACNIC: 8
    Number of 32-bit ASes that are only transit in LACNIC: 11
    Number of Transit ASes that also announce prefixes in LACNIC: 1138

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

  Number of prefixes analyzed in AFRINIC: 4279
    Average number of prefixes according to the number of ASes in AFRINIC: 6.47
    Average Prefix Length in AFRINIC: 43.63
    Number of /48s in AFRINIC: 2379
    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): 1705
    IPv6 deaggregation factor: 2.37

    AFRINIC - Prefixes with a valid RPKI status: 2933
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1346

  Number of ASes in AFRINIC: 661
    Number of 32-bit ASes in AFRINIC: 381
    Number of 16-bit ASes that are only origin in AFRINIC: 230
    Number of 32-bit ASes that are only origin in AFRINIC: 366
    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: 65

RIPE Region Analysis Summary
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  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: 61397
    Average number of prefixes according to the number of ASes in RIPE: 5.45
    Average Prefix Length in RIPE: 42.63
    Number of /48s in RIPE: 32114
    Longest AS PATH in RIPE: 26
    Prefix with most prepends in RIPE {'PREFIX': '2A0B:4E07:1800::/38', 'Count': 20, 'AS': '44331'}

    Prefixes after maximum aggregation (per Origin AS): 32390
    IPv6 deaggregation factor: 1.65

    RIPE - Prefixes with a valid RPKI status: 51603
    RIPE - Prefixes with an invalid RPKI status: 309
    RIPE - ROA‑uncovered prefixes: 9485

  Number of ASes in RIPE: 11257
    Number of 32-bit ASes in RIPE: 5458
    Number of 16-bit ASes that are only origin in RIPE: 4978
    Number of 32-bit ASes that are only origin in RIPE: 5253
    Number of 16-bit ASes that are only transit in RIPE: 48
    Number of 32-bit ASes that are only transit in RIPE: 20
    Number of Transit ASes that also announce prefixes in RIPE: 1025
    

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



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