[lacnog] Weekly Global IPv6 Routing Table Summary

Jue Sep 10 11:56:56 -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: 254466
    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: 33
    Prefixes identified as IANA: 8
    Global Average Prefix Length: 42.91
    Number of /48s globally: 117740
    Prefixes after maximum aggregation (per Origin AS): 142246
    IPv6 deaggregation factor: 1.8

    Global - Prefixes with a valid RPKI status: 205551
    Global - Prefixes with an invalid RPKI status: 1080
    Global - ROA‑uncovered prefixes: 47835

  Total ASes present in the Internet Routing Table: 37165
    Global - Average number of prefixes according to the number of ASes: 6.85

    Number of 32-bit ASes globally: 24188
    Number of 16-bit ASes globally: 12977

    Number of ASes that are only origin: 33875
      Number of 16-bit ASes that are only origin: 11043
      Number of 32-bit ASes that are only origin: 22832

    Number of ASes that are only transit: 191
      Number of 16-bit ASes that are only transit: 126
      Number of 32-bit ASes that are only transit: 65

    Number of Transit ASes that also announce prefixes: 3290

    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: 84653
    Average number of prefixes according to the number of ASes in APNIC: 8.69
    Average Prefix Length in APNIC: 43.46
    Number of /48s in APNIC: 34928
    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): 37635
    IPv6 deaggregation factor: 2.18

    APNIC - Prefixes with a valid RPKI status: 76569
    APNIC - Prefixes with an invalid RPKI status: 701
    APNIC - ROA‑uncovered prefixes: 7383

  Number of ASes in APNIC: 9738
    Number of 32-bit ASes in APNIC: 7983
    Number of 16-bit ASes that are only origin in APNIC: 1430
    Number of 32-bit ASes that are only origin in APNIC: 7752
    Number of 16-bit ASes that are only transit in APNIC: 36
    Number of 32-bit ASes that are only transit in APNIC: 24
    Number of Transit ASes that also announce prefixes in APNIC: 555

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: 43425
    Average number of prefixes according to the number of ASes in ARIN: 8.13
    Average Prefix Length in ARIN: 44.52
    Number of /48s in ARIN: 24564
    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): 35765
    IPv6 deaggregation factor: 1.61

    ARIN - Prefixes with a valid RPKI status: 33474
    ARIN - Prefixes with an invalid RPKI status: 80
    ARIN - ROA‑uncovered prefixes: 9871

  Number of ASes in ARIN: 5343
    Number of 32-bit ASes in ARIN: 1643
    Number of 16-bit ASes that are only origin in ARIN: 3293
    Number of 32-bit ASes that are only origin in ARIN: 1598
    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: 448

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

  Number of prefixes analyzed in LACNIC: 56354
    Average number of prefixes according to the number of ASes in LACNIC: 5.86
    Average Prefix Length in LACNIC: 41.04
    Number of /48s in LACNIC: 21231
    Longest AS PATH in LACNIC: 33
    Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}

    Prefixes after maximum aggregation (per Origin AS): 33276
    IPv6 deaggregation factor: 1.62

    LACNIC - Prefixes with a valid RPKI status: 35652
    LACNIC - Prefixes with an invalid RPKI status: 42
    LACNIC - ROA‑uncovered prefixes: 20660

  Number of ASes in LACNIC: 9621
    Number of 32-bit ASes in LACNIC: 8198
    Number of 16-bit ASes that are only origin in LACNIC: 1092
    Number of 32-bit ASes that are only origin in LACNIC: 7364
    Number of 16-bit ASes that are only transit in LACNIC: 5
    Number of 32-bit ASes that are only transit in LACNIC: 13
    Number of Transit ASes that also announce prefixes in LACNIC: 1163

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

  Number of prefixes analyzed in AFRINIC: 4560
    Average number of prefixes according to the number of ASes in AFRINIC: 6.81
    Average Prefix Length in AFRINIC: 43.8
    Number of /48s in AFRINIC: 2630
    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): 1736
    IPv6 deaggregation factor: 2.48

    AFRINIC - Prefixes with a valid RPKI status: 3267
    AFRINIC - Prefixes with an invalid RPKI status: 1
    AFRINIC - ROA‑uncovered prefixes: 1292

  Number of ASes in AFRINIC: 670
    Number of 32-bit ASes in AFRINIC: 396
    Number of 16-bit ASes that are only origin in AFRINIC: 220
    Number of 32-bit ASes that are only origin in AFRINIC: 380
    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: 70

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: 65466
    Average number of prefixes according to the number of ASes in RIPE: 5.55
    Average Prefix Length in RIPE: 42.69
    Number of /48s in RIPE: 34382
    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): 34501
    IPv6 deaggregation factor: 1.66

    RIPE - Prefixes with a valid RPKI status: 56588
    RIPE - Prefixes with an invalid RPKI status: 256
    RIPE - ROA‑uncovered prefixes: 8622

  Number of ASes in RIPE: 11793
    Number of 32-bit ASes in RIPE: 5964
    Number of 16-bit ASes that are only origin in RIPE: 5003
    Number of 32-bit ASes that are only origin in RIPE: 5734
    Number of 16-bit ASes that are only transit in RIPE: 52
    Number of 32-bit ASes that are only transit in RIPE: 17
    Number of Transit ASes that also announce prefixes in RIPE: 1054

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