[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Sep 18 11:09:38 -03 2025


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Global Analysis Summary
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  BGP routing table entries examined: 233993
    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: 23
    Longest Global AS PATH: 32
    Prefixes identified as IANA: 6
    Global Average Prefix Length: 42.89
    Number of /48s globally: 104577

  Total ASes present in the Internet Routing Table: 35251
    Average number of ASes per prefix: 6.64

    Number of 32-bit ASes globally: 22312
    Number of 16-bit ASes globally: 12939

    Number of ASes that are only origin: 32819
      Number of 16-bit ASes that are only origin: 11431
      Number of 32-bit ASes that are only origin: 21388

    Number of ASes that are only transit: 148
      Number of 16-bit ASes that are only transit: 90
      Number of 32-bit ASes that are only transit: 58

    Number of Transit ASes that also announce prefixes: 2432

    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: 3

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: 85633
    Average number of prefixes according to the number of ASes in APNIC: 9.1
    Average Prefix Length in APNIC: 43.79
    Number of /48s in APNIC: 35554
    Longest PATH in APNIC: 24
    Prefix with most prepends in APNIC {'PREFIX': '2401:aea0::/32', 'Count': 19, 'AS': '135823'}

  Number of ASes in APNIC: 9414
    Number of 32-bit ASes in APNIC: 7656
    Number of 16-bit ASes that are only origin in APNIC: 1477
    Number of 32-bit ASes that are only origin in APNIC: 7499
    Number of 16-bit ASes that are only transit in APNIC: 24
    Number of 32-bit ASes that are only transit in APNIC: 22
    Number of Transit ASes that also announce prefixes in APNIC: 431

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: 35731
    Average number of prefixes according to the number of ASes in ARIN: 7.15
    Average Prefix Length in ARIN: 44.45
    Number of /48s in ARIN: 19784
    Longest AS PATH in ARIN: 22
    Prefix with most prepends in ARIN {'PREFIX': '2602:fd5d:9::/48', 'Count': 19, 'AS': '60849'}

  Number of ASes in ARIN: 4996
    Number of 32-bit ASes in ARIN: 1374
    Number of 16-bit ASes that are only origin in ARIN: 3330
    Number of 32-bit ASes that are only origin in ARIN: 1343
    Number of 16-bit ASes that are only transit in ARIN: 12
    Number of 32-bit ASes that are only transit in ARIN: 5
    Number of Transit ASes that also announce prefixes in ARIN: 321

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

  Number of prefixes analyzed in LACNIC: 49371
    Average number of prefixes according to the number of ASes in LACNIC: 5.46
    Average Prefix Length in LACNIC: 40.85
    Number of /48s in LACNIC: 17816
    Longest AS PATH in LACNIC: 32
    Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}

  Number of ASes in LACNIC: 9046
    Number of 32-bit ASes in LACNIC: 7644
    Number of 16-bit ASes that are only origin in LACNIC: 1108
    Number of 32-bit ASes that are only origin in LACNIC: 7046
    Number of 16-bit ASes that are only transit in LACNIC: 10
    Number of 32-bit ASes that are only transit in LACNIC: 15
    Number of Transit ASes that also announce prefixes in LACNIC: 887

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

  Number of prefixes analyzed in AFRINIC: 3323
    Average number of prefixes according to the number of ASes in AFRINIC: 5.16
    Average Prefix Length in AFRINIC: 42.47
    Number of /48s in AFRINIC: 1486
    Longest AS PATH in AFRINIC: 15
    Prefix with most prepends in AFRINIC {'PREFIX': '2c0f:fc89::/32', 'Count': 11, 'AS': '36992'}

  Number of ASes in AFRINIC: 644
    Number of 32-bit ASes in AFRINIC: 363
    Number of 16-bit ASes that are only origin in AFRINIC: 241
    Number of 32-bit ASes that are only origin in AFRINIC: 359
    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: 44

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: 59929
    Average number of prefixes according to the number of ASes in RIPE: 5.38
    Average Prefix Length in RIPE: 42.36
    Number of /48s in RIPE: 29935
    Longest AS PATH in RIPE: 28
    Prefix with most prepends in RIPE {'PREFIX': '2a13:9500:c8::/48', 'Count': 24, 'AS': '153060'}

  Number of ASes in RIPE: 11148
    Number of 32-bit ASes in RIPE: 5270
    Number of 16-bit ASes that are only origin in RIPE: 5262
    Number of 32-bit ASes that are only origin in RIPE: 5137
    Number of 16-bit ASes that are only transit in RIPE: 43
    Number of 32-bit ASes that are only transit in RIPE: 14
    Number of Transit ASes that also announce prefixes in RIPE: 748


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



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