[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Ene 15 11:49:47 -03 2026


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Global Analysis Summary
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  BGP routing table entries examined: 243034
    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: 27
    Longest Global AS PATH: 32
    Prefixes identified as IANA: 7
    Global Average Prefix Length: 42.91
    Number of /48s globally: 109178

  Total ASes present in the Internet Routing Table: 35646
    Average number of ASes per prefix: 6.82

    Number of 32-bit ASes globally: 22736
    Number of 16-bit ASes globally: 12910

    Number of ASes that are only origin: 33238
      Number of 16-bit ASes that are only origin: 11441
      Number of 32-bit ASes that are only origin: 21797

    Number of ASes that are only transit: 143
      Number of 16-bit ASes that are only transit: 95
      Number of 32-bit ASes that are only transit: 48

    Number of Transit ASes that also announce prefixes: 2408

    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: 88078
    Average number of prefixes according to the number of ASes in APNIC: 9.24
    Average Prefix Length in APNIC: 43.78
    Number of /48s in APNIC: 36746
    Longest PATH in APNIC: 24
    Prefix with most prepends in APNIC {'PREFIX': '2402:5680:8f00::/44', 'Count': 18, 'AS': '133798'}

  Number of ASes in APNIC: 9528
    Number of 32-bit ASes in APNIC: 7772
    Number of 16-bit ASes that are only origin in APNIC: 1468
    Number of 32-bit ASes that are only origin in APNIC: 7606
    Number of 16-bit ASes that are only transit in APNIC: 32
    Number of 32-bit ASes that are only transit in APNIC: 19
    Number of Transit ASes that also announce prefixes in APNIC: 443

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: 37327
    Average number of prefixes according to the number of ASes in ARIN: 7.31
    Average Prefix Length in ARIN: 44.42
    Number of /48s in ARIN: 20463
    Longest AS PATH in ARIN: 26
    Prefix with most prepends in ARIN {'PREFIX': '2602:f959:2::/48', 'Count': 19, 'AS': '60539'}

  Number of ASes in ARIN: 5103
    Number of 32-bit ASes in ARIN: 1424
    Number of 16-bit ASes that are only origin in ARIN: 3398
    Number of 32-bit ASes that are only origin in ARIN: 1397
    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: 302

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

  Number of prefixes analyzed in LACNIC: 51123
    Average number of prefixes according to the number of ASes in LACNIC: 5.55
    Average Prefix Length in LACNIC: 40.91
    Number of /48s in LACNIC: 18561
    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: 9219
    Number of 32-bit ASes in LACNIC: 7812
    Number of 16-bit ASes that are only origin in LACNIC: 1117
    Number of 32-bit ASes that are only origin in LACNIC: 7209
    Number of 16-bit ASes that are only transit in LACNIC: 8
    Number of 32-bit ASes that are only transit in LACNIC: 9
    Number of Transit ASes that also announce prefixes in LACNIC: 889

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

  Number of prefixes analyzed in AFRINIC: 3857
    Average number of prefixes according to the number of ASes in AFRINIC: 5.88
    Average Prefix Length in AFRINIC: 43.08
    Number of /48s in AFRINIC: 1900
    Longest AS PATH in AFRINIC: 17
    Prefix with most prepends in AFRINIC {'PREFIX': '2c0f:f2b0::/32', 'Count': 14, 'AS': '328049'}

  Number of ASes in AFRINIC: 656
    Number of 32-bit ASes in AFRINIC: 379
    Number of 16-bit ASes that are only origin in AFRINIC: 241
    Number of 32-bit ASes that are only origin in AFRINIC: 372
    Number of 16-bit ASes that are only transit in AFRINIC: 2
    Number of 32-bit ASes that are only transit in AFRINIC: 1
    Number of Transit ASes that also announce prefixes in AFRINIC: 43

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: 62642
    Average number of prefixes according to the number of ASes in RIPE: 5.62
    Average Prefix Length in RIPE: 42.42
    Number of /48s in RIPE: 31504
    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: 11137
    Number of 32-bit ASes in RIPE: 5337
    Number of 16-bit ASes that are only origin in RIPE: 5203
    Number of 32-bit ASes that are only origin in RIPE: 5201
    Number of 16-bit ASes that are only transit in RIPE: 41
    Number of 32-bit ASes that are only transit in RIPE: 13
    Number of Transit ASes that also announce prefixes in RIPE: 731


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



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