[lacnog] Weekly Global IPv6 Routing Table Summary

Jue Sep 17 11:51:19 -03 2026

This is an automated weekly mailing describing the state of the Global
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: 258444
    Prefix with the most prepends: {'PREFIX': '2804:8240:8000::/34', 'Count': 59, 'AS': '275679'}
    Unidentified prefixes: 0
    Number of AS_SET found in the Routing Table: 0
    Longest Global AS PATH: 64
    Prefixes identified as IANA: 8
    Global Average Prefix Length: 42.94
    Number of /48s globally: 117784
    Prefixes after maximum aggregation (per Origin AS): 143767
    IPv6 deaggregation factor: 1.8

    Global - Prefixes with a valid RPKI status: 210041
    Global - Prefixes with an invalid RPKI status: 953
    Global - ROA‑uncovered prefixes: 47450

  Total ASes present in the Internet Routing Table: 37216
    Global - Average number of prefixes according to the number of ASes: 6.94

    Number of 32-bit ASes globally: 24221
    Number of 16-bit ASes globally: 12995

    Number of ASes that are only origin: 33921
      Number of 16-bit ASes that are only origin: 11048
      Number of 32-bit ASes that are only origin: 22873

    Number of ASes that are only transit: 190
      Number of 16-bit ASes that are only transit: 125
      Number of 32-bit ASes that are only transit: 65

    Number of Transit ASes that also announce prefixes: 3295

    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: 88475
    Average number of prefixes according to the number of ASes in APNIC: 9.08
    Average Prefix Length in APNIC: 43.56
    Number of /48s in APNIC: 35089
    Longest PATH in APNIC: 25
    Prefix with most prepends in APNIC {'PREFIX': '2001:DF4:5FC0::/48', 'Count': 20, 'AS': '138804'}

    Prefixes after maximum aggregation (per Origin AS): 38907
    IPv6 deaggregation factor: 2.21

    APNIC - Prefixes with a valid RPKI status: 80655
    APNIC - Prefixes with an invalid RPKI status: 584
    APNIC - ROA‑uncovered prefixes: 7236

  Number of ASes in APNIC: 9741
    Number of 32-bit ASes in APNIC: 7988
    Number of 16-bit ASes that are only origin in APNIC: 1420
    Number of 32-bit ASes that are only origin in APNIC: 7763
    Number of 16-bit ASes that are only transit in APNIC: 37
    Number of 32-bit ASes that are only transit in APNIC: 24
    Number of Transit ASes that also announce prefixes in APNIC: 557

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: 43483
    Average number of prefixes according to the number of ASes in ARIN: 8.13
    Average Prefix Length in ARIN: 44.49
    Number of /48s in ARIN: 24520
    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): 35838
    IPv6 deaggregation factor: 1.61

    ARIN - Prefixes with a valid RPKI status: 33543
    ARIN - Prefixes with an invalid RPKI status: 77
    ARIN - ROA‑uncovered prefixes: 9863

  Number of ASes in ARIN: 5351
    Number of 32-bit ASes in ARIN: 1651
    Number of 16-bit ASes that are only origin in ARIN: 3294
    Number of 32-bit ASes that are only origin in ARIN: 1602
    Number of 16-bit ASes that are only transit in ARIN: 29
    Number of 32-bit ASes that are only transit in ARIN: 7
    Number of Transit ASes that also announce prefixes in ARIN: 451

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

  Number of prefixes analyzed in LACNIC: 56355
    Average number of prefixes according to the number of ASes in LACNIC: 5.85
    Average Prefix Length in LACNIC: 41.03
    Number of /48s in LACNIC: 21286
    Longest AS PATH in LACNIC: 64
    Prefix with most prepends in LACNIC {'PREFIX': '2804:8240:8000::/34', 'Count': 59, 'AS': '275679'}

    Prefixes after maximum aggregation (per Origin AS): 33360
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 35865
    LACNIC - Prefixes with an invalid RPKI status: 44
    LACNIC - ROA‑uncovered prefixes: 20446

  Number of ASes in LACNIC: 9633
    Number of 32-bit ASes in LACNIC: 8206
    Number of 16-bit ASes that are only origin in LACNIC: 1092
    Number of 32-bit ASes that are only origin in LACNIC: 7371
    Number of 16-bit ASes that are only transit in LACNIC: 5
    Number of 32-bit ASes that are only transit in LACNIC: 11
    Number of Transit ASes that also announce prefixes in LACNIC: 1168

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

  Number of prefixes analyzed in AFRINIC: 4586
    Average number of prefixes according to the number of ASes in AFRINIC: 6.77
    Average Prefix Length in AFRINIC: 43.76
    Number of /48s in AFRINIC: 2628
    Longest AS PATH in AFRINIC: 16
    Prefix with most prepends in AFRINIC {'PREFIX': '2C0F:2280:2::/48', 'Count': 11, 'AS': '36873'}

    Prefixes after maximum aggregation (per Origin AS): 1750
    IPv6 deaggregation factor: 2.48

    AFRINIC - Prefixes with a valid RPKI status: 3286
    AFRINIC - Prefixes with an invalid RPKI status: 1
    AFRINIC - ROA‑uncovered prefixes: 1299

  Number of ASes in AFRINIC: 677
    Number of 32-bit ASes in AFRINIC: 401
    Number of 16-bit ASes that are only origin in AFRINIC: 221
    Number of 32-bit ASes that are only origin in AFRINIC: 385
    Number of 16-bit ASes that are only transit in AFRINIC: 4
    Number of 32-bit ASes that are only transit in AFRINIC: 2
    Number of Transit ASes that also announce prefixes in AFRINIC: 71

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: 65537
    Average number of prefixes according to the number of ASes in RIPE: 5.55
    Average Prefix Length in RIPE: 42.65
    Number of /48s in RIPE: 34256
    Longest AS PATH in RIPE: 30
    Prefix with most prepends in RIPE {'PREFIX': '2A06:9801:111::/48', 'Count': 20, 'AS': '204261'}

    Prefixes after maximum aggregation (per Origin AS): 34619
    IPv6 deaggregation factor: 1.66

    RIPE - Prefixes with a valid RPKI status: 56691
    RIPE - Prefixes with an invalid RPKI status: 247
    RIPE - ROA‑uncovered prefixes: 8599

  Number of ASes in RIPE: 11814
    Number of 32-bit ASes in RIPE: 5971
    Number of 16-bit ASes that are only origin in RIPE: 5016
    Number of 32-bit ASes that are only origin in RIPE: 5748
    Number of 16-bit ASes that are only transit in RIPE: 49
    Number of 32-bit ASes that are only transit in RIPE: 19
    Number of Transit ASes that also announce prefixes in RIPE: 1048

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