[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Feb 19 11:34:37 -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: 242735
    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: 8
    Global Average Prefix Length: 42.92
    Number of /48s globally: 110209
    Prefixes after maximum aggregation (per Origin AS): 135300
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 157664
    Global - Prefixes with an invalid RPKI status: 1048
    Global - ROA‑uncovered prefixes: 84023

  Total ASes present in the Internet Routing Table: 35919
    Global - Average number of prefixes according to the number of ASes: 6.76

    Number of 32-bit ASes globally: 22980
    Number of 16-bit ASes globally: 12939

    Number of ASes that are only origin: 32768
      Number of 16-bit ASes that are only origin: 11033
      Number of 32-bit ASes that are only origin: 21735

    Number of ASes that are only transit: 183
      Number of 16-bit ASes that are only transit: 121
      Number of 32-bit ASes that are only transit: 62

    Number of Transit ASes that also announce prefixes: 3151

    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: 85472
    Average number of prefixes according to the number of ASes in APNIC: 8.92
    Average Prefix Length in APNIC: 43.54
    Number of /48s in APNIC: 34594
    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): 37326
    IPv6 deaggregation factor: 2.24
    
    APNIC - Prefixes with a valid RPKI status: 43159
    APNIC - Prefixes with an invalid RPKI status: 482
    APNIC - ROA‑uncovered prefixes: 41831

  Number of ASes in APNIC: 9578
    Number of 32-bit ASes in APNIC: 7835
    Number of 16-bit ASes that are only origin in APNIC: 1411
    Number of 32-bit ASes that are only origin in APNIC: 7627
    Number of 16-bit ASes that are only transit in APNIC: 37
    Number of 32-bit ASes that are only transit in APNIC: 21
    Number of Transit ASes that also announce prefixes in APNIC: 532

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: 39895
    Average number of prefixes according to the number of ASes in ARIN: 7.73
    Average Prefix Length in ARIN: 44.56
    Number of /48s in ARIN: 22620
    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): 33496
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 29075
    ARIN - Prefixes with an invalid RPKI status: 59
    ARIN - ROA‑uncovered prefixes: 10761

  Number of ASes in ARIN: 5163
    Number of 32-bit ASes in ARIN: 1458
    Number of 16-bit ASes that are only origin in ARIN: 3314
    Number of 32-bit ASes that are only origin in ARIN: 1412
    Number of 16-bit ASes that are only transit in ARIN: 22
    Number of 32-bit ASes that are only transit in ARIN: 6
    Number of Transit ASes that also announce prefixes in ARIN: 435

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

  Number of prefixes analyzed in LACNIC: 52248
    Average number of prefixes according to the number of ASes in LACNIC: 5.63
    Average Prefix Length in LACNIC: 40.95
    Number of /48s in LACNIC: 19054
    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): 31005
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 31408
    LACNIC - Prefixes with an invalid RPKI status: 196
    LACNIC - ROA‑uncovered prefixes: 20644

  Number of ASes in LACNIC: 9287
    Number of 32-bit ASes in LACNIC: 7862
    Number of 16-bit ASes that are only origin in LACNIC: 1091
    Number of 32-bit ASes that are only origin in LACNIC: 7087
    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: 1098

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

  Number of prefixes analyzed in AFRINIC: 4141
    Average number of prefixes according to the number of ASes in AFRINIC: 6.29
    Average Prefix Length in AFRINIC: 43.52
    Number of /48s in AFRINIC: 2264
    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): 1677
    IPv6 deaggregation factor: 2.33

    AFRINIC - Prefixes with a valid RPKI status: 2798
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1343

  Number of ASes in AFRINIC: 658
    Number of 32-bit ASes in AFRINIC: 379
    Number of 16-bit ASes that are only origin in AFRINIC: 225
    Number of 32-bit ASes that are only origin in AFRINIC: 364
    Number of 16-bit ASes that are only transit in AFRINIC: 3
    Number of 32-bit ASes that are only transit in AFRINIC: 1
    Number of Transit ASes that also announce prefixes in AFRINIC: 69

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: 60971
    Average number of prefixes according to the number of ASes in RIPE: 5.43
    Average Prefix Length in RIPE: 42.6
    Number of /48s in RIPE: 31672
    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): 32338
    IPv6 deaggregation factor: 1.64

    RIPE - Prefixes with a valid RPKI status: 51223
    RIPE - Prefixes with an invalid RPKI status: 311
    RIPE - ROA‑uncovered prefixes: 9437

  Number of ASes in RIPE: 11233
    Number of 32-bit ASes in RIPE: 5433
    Number of 16-bit ASes that are only origin in RIPE: 4982
    Number of 32-bit ASes that are only origin in RIPE: 5232
    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: 1017
    

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



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