[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Feb 26 11:40:38 -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: 244738
    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: 42.95
    Number of /48s globally: 111961
    Prefixes after maximum aggregation (per Origin AS): 135670
    IPv6 deaggregation factor: 1.82

    Global - Prefixes with a valid RPKI status: 158547
    Global - Prefixes with an invalid RPKI status: 2277
    Global - ROA‑uncovered prefixes: 83914

  Total ASes present in the Internet Routing Table: 35988
    Global - Average number of prefixes according to the number of ASes: 6.8

    Number of 32-bit ASes globally: 23043
    Number of 16-bit ASes globally: 12945

    Number of ASes that are only origin: 32805
      Number of 16-bit ASes that are only origin: 11032
      Number of 32-bit ASes that are only origin: 21773

    Number of ASes that are only transit: 179
      Number of 16-bit ASes that are only transit: 118
      Number of 32-bit ASes that are only transit: 61

    Number of Transit ASes that also announce prefixes: 3183

    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: 87145
    Average number of prefixes according to the number of ASes in APNIC: 9.09
    Average Prefix Length in APNIC: 43.61
    Number of /48s in APNIC: 35994
    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): 37514
    IPv6 deaggregation factor: 2.28
    
    APNIC - Prefixes with a valid RPKI status: 43809
    APNIC - Prefixes with an invalid RPKI status: 1737
    APNIC - ROA‑uncovered prefixes: 41599

  Number of ASes in APNIC: 9590
    Number of 32-bit ASes in APNIC: 7843
    Number of 16-bit ASes that are only origin in APNIC: 1410
    Number of 32-bit ASes that are only origin in APNIC: 7627
    Number of 16-bit ASes that are only transit in APNIC: 36
    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: 40000
    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: 22695
    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): 33679
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 29220
    ARIN - Prefixes with an invalid RPKI status: 60
    ARIN - ROA‑uncovered prefixes: 10720

  Number of ASes in ARIN: 5189
    Number of 32-bit ASes in ARIN: 1477
    Number of 16-bit ASes that are only origin in ARIN: 3320
    Number of 32-bit ASes that are only origin in ARIN: 1431
    Number of 16-bit ASes that are only transit in ARIN: 21
    Number of 32-bit ASes that are only transit in ARIN: 6
    Number of Transit ASes that also announce prefixes in ARIN: 436

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

  Number of prefixes analyzed in LACNIC: 52402
    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: 19188
    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): 31087
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 31315
    LACNIC - Prefixes with an invalid RPKI status: 182
    LACNIC - ROA‑uncovered prefixes: 20905

  Number of ASes in LACNIC: 9301
    Number of 32-bit ASes in LACNIC: 7877
    Number of 16-bit ASes that are only origin in LACNIC: 1084
    Number of 32-bit ASes that are only origin in LACNIC: 7085
    Number of 16-bit ASes that are only transit in LACNIC: 8
    Number of 32-bit ASes that are only transit in LACNIC: 12
    Number of Transit ASes that also announce prefixes in LACNIC: 1121

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

  Number of prefixes analyzed in AFRINIC: 4164
    Average number of prefixes according to the number of ASes in AFRINIC: 6.3
    Average Prefix Length in AFRINIC: 43.51
    Number of /48s in AFRINIC: 2265
    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): 1685
    IPv6 deaggregation factor: 2.33

    AFRINIC - Prefixes with a valid RPKI status: 2821
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1343

  Number of ASes in AFRINIC: 661
    Number of 32-bit ASes in AFRINIC: 383
    Number of 16-bit ASes that are only origin in AFRINIC: 227
    Number of 32-bit ASes that are only origin in AFRINIC: 367
    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: 67

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: 61019
    Average number of prefixes according to the number of ASes in RIPE: 5.43
    Average Prefix Length in RIPE: 42.63
    Number of /48s in RIPE: 31814
    Longest AS PATH in RIPE: 25
    Prefix with most prepends in RIPE {'PREFIX': '2A0B:4E07:1800::/38', 'Count': 20, 'AS': '44331'}

    Prefixes after maximum aggregation (per Origin AS): 32255
    IPv6 deaggregation factor: 1.64

    RIPE - Prefixes with a valid RPKI status: 51381
    RIPE - Prefixes with an invalid RPKI status: 298
    RIPE - ROA‑uncovered prefixes: 9340

  Number of ASes in RIPE: 11247
    Number of 32-bit ASes in RIPE: 5450
    Number of 16-bit ASes that are only origin in RIPE: 4980
    Number of 32-bit ASes that are only origin in RIPE: 5250
    Number of 16-bit ASes that are only transit in RIPE: 49
    Number of 32-bit ASes that are only transit in RIPE: 21
    Number of Transit ASes that also announce prefixes in RIPE: 1015
    

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



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