[lacnog] Weekly Global IPv6 Routing Table Summary

Jue Jul 23 11:51:31 -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: 253856
    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: 35
    Prefixes identified as IANA: 9
    Global Average Prefix Length: 42.98
    Number of /48s globally: 116721
    Prefixes after maximum aggregation (per Origin AS): 141111
    IPv6 deaggregation factor: 1.81

    Global - Prefixes with a valid RPKI status: 204101
    Global - Prefixes with an invalid RPKI status: 1109
    Global - ROA‑uncovered prefixes: 48646

  Total ASes present in the Internet Routing Table: 36779
    Global - Average number of prefixes according to the number of ASes: 6.9

    Number of 32-bit ASes globally: 23846
    Number of 16-bit ASes globally: 12933

    Number of ASes that are only origin: 33509
      Number of 16-bit ASes that are only origin: 10996
      Number of 32-bit ASes that are only origin: 22513

    Number of ASes that are only transit: 195
      Number of 16-bit ASes that are only transit: 124
      Number of 32-bit ASes that are only transit: 71

    Number of Transit ASes that also announce prefixes: 3270

    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: 86890
    Average number of prefixes according to the number of ASes in APNIC: 8.96
    Average Prefix Length in APNIC: 43.51
    Number of /48s in APNIC: 34356
    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): 38529
    IPv6 deaggregation factor: 2.2

    APNIC - Prefixes with a valid RPKI status: 78601
    APNIC - Prefixes with an invalid RPKI status: 705
    APNIC - ROA‑uncovered prefixes: 7584

  Number of ASes in APNIC: 9701
    Number of 32-bit ASes in APNIC: 7940
    Number of 16-bit ASes that are only origin in APNIC: 1430
    Number of 32-bit ASes that are only origin in APNIC: 7710
    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: 558

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: 41997
    Average number of prefixes according to the number of ASes in ARIN: 7.93
    Average Prefix Length in ARIN: 44.55
    Number of /48s in ARIN: 23879
    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): 34974
    IPv6 deaggregation factor: 1.59

    ARIN - Prefixes with a valid RPKI status: 31686
    ARIN - Prefixes with an invalid RPKI status: 65
    ARIN - ROA‑uncovered prefixes: 10246

  Number of ASes in ARIN: 5296
    Number of 32-bit ASes in ARIN: 1597
    Number of 16-bit ASes that are only origin in ARIN: 3288
    Number of 32-bit ASes that are only origin in ARIN: 1548
    Number of 16-bit ASes that are only transit in ARIN: 27
    Number of 32-bit ASes that are only transit in ARIN: 6
    Number of Transit ASes that also announce prefixes in ARIN: 458

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

  Number of prefixes analyzed in LACNIC: 54786
    Average number of prefixes according to the number of ASes in LACNIC: 5.74
    Average Prefix Length in LACNIC: 41.09
    Number of /48s in LACNIC: 20798
    Longest AS PATH in LACNIC: 35
    Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}

    Prefixes after maximum aggregation (per Origin AS): 32559
    IPv6 deaggregation factor: 1.61

    LACNIC - Prefixes with a valid RPKI status: 34001
    LACNIC - Prefixes with an invalid RPKI status: 94
    LACNIC - ROA‑uncovered prefixes: 20691

  Number of ASes in LACNIC: 9547
    Number of 32-bit ASes in LACNIC: 8115
    Number of 16-bit ASes that are only origin in LACNIC: 1102
    Number of 32-bit ASes that are only origin in LACNIC: 7306
    Number of 16-bit ASes that are only transit in LACNIC: 5
    Number of 32-bit ASes that are only transit in LACNIC: 17
    Number of Transit ASes that also announce prefixes in LACNIC: 1136

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

  Number of prefixes analyzed in AFRINIC: 4315
    Average number of prefixes according to the number of ASes in AFRINIC: 6.49
    Average Prefix Length in AFRINIC: 43.64
    Number of /48s in AFRINIC: 2414
    Longest AS PATH in AFRINIC: 18
    Prefix with most prepends in AFRINIC {'PREFIX': '2C0F:F2B0::/32', 'Count': 14, 'AS': '328049'}

    Prefixes after maximum aggregation (per Origin AS): 1703
    IPv6 deaggregation factor: 2.39

    AFRINIC - Prefixes with a valid RPKI status: 3005
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1310

  Number of ASes in AFRINIC: 665
    Number of 32-bit ASes in AFRINIC: 390
    Number of 16-bit ASes that are only origin in AFRINIC: 222
    Number of 32-bit ASes that are only origin in AFRINIC: 375
    Number of 16-bit ASes that are only transit in AFRINIC: 3
    Number of 32-bit ASes that are only transit in AFRINIC: 2
    Number of Transit ASes that also announce prefixes in AFRINIC: 68

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: 65859
    Average number of prefixes according to the number of ASes in RIPE: 5.69
    Average Prefix Length in RIPE: 42.8
    Number of /48s in RIPE: 35268
    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): 33993
    IPv6 deaggregation factor: 1.7

    RIPE - Prefixes with a valid RPKI status: 56807
    RIPE - Prefixes with an invalid RPKI status: 245
    RIPE - ROA‑uncovered prefixes: 8807

  Number of ASes in RIPE: 11570
    Number of 32-bit ASes in RIPE: 5797
    Number of 16-bit ASes that are only origin in RIPE: 4952
    Number of 32-bit ASes that are only origin in RIPE: 5567
    Number of 16-bit ASes that are only transit in RIPE: 50
    Number of 32-bit ASes that are only transit in RIPE: 22
    Number of Transit ASes that also announce prefixes in RIPE: 1050

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