[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Mayo 7 11:56:40 -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: 247712
    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: 0
    Longest Global AS PATH: 45
    Prefixes identified as IANA: 9
    Global Average Prefix Length: 42.91
    Number of /48s globally: 112925
    Prefixes after maximum aggregation (per Origin AS): 138196
    IPv6 deaggregation factor: 1.8

    Global - Prefixes with a valid RPKI status: 173047
    Global - Prefixes with an invalid RPKI status: 1119
    Global - ROA‑uncovered prefixes: 73546

  Total ASes present in the Internet Routing Table: 36346
    Global - Average number of prefixes according to the number of ASes: 6.82

    Number of 32-bit ASes globally: 23398
    Number of 16-bit ASes globally: 12948

    Number of ASes that are only origin: 33114
      Number of 16-bit ASes that are only origin: 11021
      Number of 32-bit ASes that are only origin: 22093

    Number of ASes that are only transit: 189
      Number of 16-bit ASes that are only transit: 125
      Number of 32-bit ASes that are only transit: 64

    Number of Transit ASes that also announce prefixes: 3232

    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: 85902
    Average number of prefixes according to the number of ASes in APNIC: 8.91
    Average Prefix Length in APNIC: 43.5
    Number of /48s in APNIC: 34156
    Longest PATH in APNIC: 26
    Prefix with most prepends in APNIC {'PREFIX': '2001:DF4:5FC0::/48', 'Count': 20, 'AS': '138804'}

    Prefixes after maximum aggregation (per Origin AS): 37967
    IPv6 deaggregation factor: 2.22
    
    APNIC - Prefixes with a valid RPKI status: 53692
    APNIC - Prefixes with an invalid RPKI status: 704
    APNIC - ROA‑uncovered prefixes: 31506

  Number of ASes in APNIC: 9643
    Number of 32-bit ASes in APNIC: 7896
    Number of 16-bit ASes that are only origin in APNIC: 1425
    Number of 32-bit ASes that are only origin in APNIC: 7677
    Number of 16-bit ASes that are only transit in APNIC: 39
    Number of 32-bit ASes that are only transit in APNIC: 19
    Number of Transit ASes that also announce prefixes in APNIC: 536

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: 41091
    Average number of prefixes according to the number of ASes in ARIN: 7.83
    Average Prefix Length in ARIN: 44.54
    Number of /48s in ARIN: 23433
    Longest AS PATH in ARIN: 28
    Prefix with most prepends in ARIN {'PREFIX': '2604:5500::/42', 'Count': 25, 'AS': '19165'}

    Prefixes after maximum aggregation (per Origin AS): 34422
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 30688
    ARIN - Prefixes with an invalid RPKI status: 73
    ARIN - ROA‑uncovered prefixes: 10330

  Number of ASes in ARIN: 5247
    Number of 32-bit ASes in ARIN: 1528
    Number of 16-bit ASes that are only origin in ARIN: 3316
    Number of 32-bit ASes that are only origin in ARIN: 1478
    Number of 16-bit ASes that are only transit in ARIN: 28
    Number of 32-bit ASes that are only transit in ARIN: 7
    Number of Transit ASes that also announce prefixes in ARIN: 451

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

  Number of prefixes analyzed in LACNIC: 53003
    Average number of prefixes according to the number of ASes in LACNIC: 5.64
    Average Prefix Length in LACNIC: 40.97
    Number of /48s in LACNIC: 19620
    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): 31391
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 32002
    LACNIC - Prefixes with an invalid RPKI status: 60
    LACNIC - ROA‑uncovered prefixes: 20941

  Number of ASes in LACNIC: 9391
    Number of 32-bit ASes in LACNIC: 7967
    Number of 16-bit ASes that are only origin in LACNIC: 1090
    Number of 32-bit ASes that are only origin in LACNIC: 7172
    Number of 16-bit ASes that are only transit in LACNIC: 6
    Number of 32-bit ASes that are only transit in LACNIC: 17
    Number of Transit ASes that also announce prefixes in LACNIC: 1123

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: 6.5
    Average Prefix Length in AFRINIC: 43.68
    Number of /48s in AFRINIC: 2413
    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): 1690
    IPv6 deaggregation factor: 2.39

    AFRINIC - Prefixes with a valid RPKI status: 2932
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1347

  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: 363
    Number of 16-bit ASes that are only transit in AFRINIC: 2
    Number of 32-bit ASes that are only transit in AFRINIC: 0
    Number of Transit ASes that also announce prefixes in AFRINIC: 71

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: 63428
    Average number of prefixes according to the number of ASes in RIPE: 5.56
    Average Prefix Length in RIPE: 42.65
    Number of /48s in RIPE: 33297
    Longest AS PATH in RIPE: 32
    Prefix with most prepends in RIPE {'PREFIX': '2A0B:4E07:1800::/38', 'Count': 20, 'AS': '44331'}

    Prefixes after maximum aggregation (per Origin AS): 33324
    IPv6 deaggregation factor: 1.66

    RIPE - Prefixes with a valid RPKI status: 53732
    RIPE - Prefixes with an invalid RPKI status: 282
    RIPE - ROA‑uncovered prefixes: 9414

  Number of ASes in RIPE: 11407
    Number of 32-bit ASes in RIPE: 5618
    Number of 16-bit ASes that are only origin in RIPE: 4961
    Number of 32-bit ASes that are only origin in RIPE: 5394
    Number of 16-bit ASes that are only transit in RIPE: 47
    Number of 32-bit ASes that are only transit in RIPE: 20
    Number of Transit ASes that also announce prefixes in RIPE: 1051
    

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



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