[lacnog] Weekly Global IPv6 Routing Table Summary

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Jue Jun 4 12:09:26 -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: 250602
    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: 42.96
    Number of /48s globally: 114981
    Prefixes after maximum aggregation (per Origin AS): 139347
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 196038
    Global - Prefixes with an invalid RPKI status: 1133
    Global - ROA‑uncovered prefixes: 53431

  Total ASes present in the Internet Routing Table: 36517
    Global - Average number of prefixes according to the number of ASes: 6.86

    Number of 32-bit ASes globally: 23591
    Number of 16-bit ASes globally: 12926

    Number of ASes that are only origin: 33262
      Number of 16-bit ASes that are only origin: 11004
      Number of 32-bit ASes that are only origin: 22258

    Number of ASes that are only transit: 190
      Number of 16-bit ASes that are only transit: 127
      Number of 32-bit ASes that are only transit: 63

    Number of Transit ASes that also announce prefixes: 3255

    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: 86248
    Average number of prefixes according to the number of ASes in APNIC: 8.92
    Average Prefix Length in APNIC: 43.5
    Number of /48s in APNIC: 34186
    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): 38284
    IPv6 deaggregation factor: 2.21
    
    APNIC - Prefixes with a valid RPKI status: 73693
    APNIC - Prefixes with an invalid RPKI status: 755
    APNIC - ROA‑uncovered prefixes: 11800

  Number of ASes in APNIC: 9670
    Number of 32-bit ASes in APNIC: 7923
    Number of 16-bit ASes that are only origin in APNIC: 1424
    Number of 32-bit ASes that are only origin in APNIC: 7696
    Number of 16-bit ASes that are only transit in APNIC: 40
    Number of 32-bit ASes that are only transit in APNIC: 17
    Number of Transit ASes that also announce prefixes in APNIC: 546

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: 41646
    Average number of prefixes according to the number of ASes in ARIN: 7.92
    Average Prefix Length in ARIN: 44.56
    Number of /48s in ARIN: 23752
    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): 34554
    IPv6 deaggregation factor: 1.6

    ARIN - Prefixes with a valid RPKI status: 31319
    ARIN - Prefixes with an invalid RPKI status: 72
    ARIN - ROA‑uncovered prefixes: 10255

  Number of ASes in ARIN: 5257
    Number of 32-bit ASes in ARIN: 1553
    Number of 16-bit ASes that are only origin in ARIN: 3302
    Number of 32-bit ASes that are only origin in ARIN: 1504
    Number of 16-bit ASes that are only transit in ARIN: 27
    Number of 32-bit ASes that are only transit in ARIN: 7
    Number of Transit ASes that also announce prefixes in ARIN: 449

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

  Number of prefixes analyzed in LACNIC: 53750
    Average number of prefixes according to the number of ASes in LACNIC: 5.68
    Average Prefix Length in LACNIC: 41.0
    Number of /48s in LACNIC: 20102
    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): 31810
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 32731
    LACNIC - Prefixes with an invalid RPKI status: 53
    LACNIC - ROA‑uncovered prefixes: 20966

  Number of ASes in LACNIC: 9459
    Number of 32-bit ASes in LACNIC: 8035
    Number of 16-bit ASes that are only origin in LACNIC: 1088
    Number of 32-bit ASes that are only origin in LACNIC: 7213
    Number of 16-bit ASes that are only transit in LACNIC: 6
    Number of 32-bit ASes that are only transit in LACNIC: 14
    Number of Transit ASes that also announce prefixes in LACNIC: 1155

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

  Number of prefixes analyzed in AFRINIC: 4311
    Average number of prefixes according to the number of ASes in AFRINIC: 6.52
    Average Prefix Length in AFRINIC: 43.64
    Number of /48s in AFRINIC: 2420
    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): 1706
    IPv6 deaggregation factor: 2.39

    AFRINIC - Prefixes with a valid RPKI status: 2940
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1371

  Number of ASes in AFRINIC: 661
    Number of 32-bit ASes in AFRINIC: 384
    Number of 16-bit ASes that are only origin in AFRINIC: 225
    Number of 32-bit ASes that are only origin in AFRINIC: 370
    Number of 16-bit ASes that are only transit in AFRINIC: 3
    Number of 32-bit ASes that are only transit in AFRINIC: 0
    Number of Transit ASes that also announce prefixes in AFRINIC: 66

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: 64638
    Average number of prefixes according to the number of ASes in RIPE: 5.64
    Average Prefix Length in RIPE: 42.79
    Number of /48s in RIPE: 34515
    Longest AS PATH in RIPE: 32
    Prefix with most prepends in RIPE {'PREFIX': '2A06:9801:111::/48', 'Count': 20, 'AS': '204261'}

    Prefixes after maximum aggregation (per Origin AS): 33615
    IPv6 deaggregation factor: 1.68

    RIPE - Prefixes with a valid RPKI status: 55354
    RIPE - Prefixes with an invalid RPKI status: 253
    RIPE - ROA‑uncovered prefixes: 9031

  Number of ASes in RIPE: 11470
    Number of 32-bit ASes in RIPE: 5690
    Number of 16-bit ASes that are only origin in RIPE: 4961
    Number of 32-bit ASes that are only origin in RIPE: 5469
    Number of 16-bit ASes that are only transit in RIPE: 48
    Number of 32-bit ASes that are only transit in RIPE: 24
    Number of Transit ASes that also announce prefixes in RIPE: 1038
    

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



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