[lacnog] Weekly Global IPv6 Routing Table Summary

Jue Jul 30 11:50:52 -03 2026

This is an automated weekly mailing describing the state of the Global
IPv6 Routing Table as seen from route-views.routeviews.org

The posting is sent to VENOG, APOPS, PACNOG and LACNOG.
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Global Analysis Summary
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  BGP routing table entries examined: 253542
    Prefix with the most prepends: {'PREFIX': '2804:8240:8000::/34', 'Count': 55, 'AS': '275679'}
    Unidentified prefixes: 0
    Number of AS_SET found in the Routing Table: 0
    Longest Global AS PATH: 61
    Prefixes identified as IANA: 9
    Global Average Prefix Length: 42.97
    Number of /48s globally: 116412
    Prefixes after maximum aggregation (per Origin AS): 141283
    IPv6 deaggregation factor: 1.8

    Global - Prefixes with a valid RPKI status: 203805
    Global - Prefixes with an invalid RPKI status: 1268
    Global - ROA‑uncovered prefixes: 48469

  Total ASes present in the Internet Routing Table: 36775
    Global - Average number of prefixes according to the number of ASes: 6.89

    Number of 32-bit ASes globally: 23839
    Number of 16-bit ASes globally: 12936

    Number of ASes that are only origin: 33514
      Number of 16-bit ASes that are only origin: 11005
      Number of 32-bit ASes that are only origin: 22509

    Number of ASes that are only transit: 195
      Number of 16-bit ASes that are only transit: 127
      Number of 32-bit ASes that are only transit: 68

    Number of Transit ASes that also announce prefixes: 3261

    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: 87044
    Average number of prefixes according to the number of ASes in APNIC: 8.97
    Average Prefix Length in APNIC: 43.54
    Number of /48s in APNIC: 34625
    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): 38557
    IPv6 deaggregation factor: 2.2

    APNIC - Prefixes with a valid RPKI status: 78608
    APNIC - Prefixes with an invalid RPKI status: 823
    APNIC - ROA‑uncovered prefixes: 7613

  Number of ASes in APNIC: 9708
    Number of 32-bit ASes in APNIC: 7945
    Number of 16-bit ASes that are only origin in APNIC: 1434
    Number of 32-bit ASes that are only origin in APNIC: 7727
    Number of 16-bit ASes that are only transit in APNIC: 38
    Number of 32-bit ASes that are only transit in APNIC: 20
    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: 42587
    Average number of prefixes according to the number of ASes in ARIN: 8.04
    Average Prefix Length in ARIN: 44.52
    Number of /48s in ARIN: 24102
    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): 35173
    IPv6 deaggregation factor: 1.6

    ARIN - Prefixes with a valid RPKI status: 32256
    ARIN - Prefixes with an invalid RPKI status: 57
    ARIN - ROA‑uncovered prefixes: 10274

  Number of ASes in ARIN: 5297
    Number of 32-bit ASes in ARIN: 1598
    Number of 16-bit ASes that are only origin in ARIN: 3299
    Number of 32-bit ASes that are only origin in ARIN: 1551
    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: 444

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

  Number of prefixes analyzed in LACNIC: 54566
    Average number of prefixes according to the number of ASes in LACNIC: 5.72
    Average Prefix Length in LACNIC: 41.12
    Number of /48s in LACNIC: 20835
    Longest AS PATH in LACNIC: 61
    Prefix with most prepends in LACNIC {'PREFIX': '2804:8240:8000::/34', 'Count': 55, 'AS': '275679'}

    Prefixes after maximum aggregation (per Origin AS): 32467
    IPv6 deaggregation factor: 1.61

    LACNIC - Prefixes with a valid RPKI status: 33982
    LACNIC - Prefixes with an invalid RPKI status: 111
    LACNIC - ROA‑uncovered prefixes: 20473

  Number of ASes in LACNIC: 9544
    Number of 32-bit ASes in LACNIC: 8113
    Number of 16-bit ASes that are only origin in LACNIC: 1097
    Number of 32-bit ASes that are only origin in LACNIC: 7300
    Number of 16-bit ASes that are only transit in LACNIC: 5
    Number of 32-bit ASes that are only transit in LACNIC: 14
    Number of Transit ASes that also announce prefixes in LACNIC: 1144

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

  Number of prefixes analyzed in AFRINIC: 4305
    Average number of prefixes according to the number of ASes in AFRINIC: 6.49
    Average Prefix Length in AFRINIC: 43.65
    Number of /48s in AFRINIC: 2409
    Longest AS PATH in AFRINIC: 16
    Prefix with most prepends in AFRINIC {'PREFIX': '2001:43FD:F000::/48', 'Count': 12, 'AS': '37440'}

    Prefixes after maximum aggregation (per Origin AS): 1695
    IPv6 deaggregation factor: 2.39

    AFRINIC - Prefixes with a valid RPKI status: 3000
    AFRINIC - Prefixes with an invalid RPKI status: 0
    AFRINIC - ROA‑uncovered prefixes: 1305

  Number of ASes in AFRINIC: 663
    Number of 32-bit ASes in AFRINIC: 389
    Number of 16-bit ASes that are only origin in AFRINIC: 220
    Number of 32-bit ASes that are only origin in AFRINIC: 373
    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: 65031
    Average number of prefixes according to the number of ASes in RIPE: 5.62
    Average Prefix Length in RIPE: 42.73
    Number of /48s in RIPE: 34435
    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): 34033
    IPv6 deaggregation factor: 1.68

    RIPE - Prefixes with a valid RPKI status: 55958
    RIPE - Prefixes with an invalid RPKI status: 277
    RIPE - ROA‑uncovered prefixes: 8796

  Number of ASes in RIPE: 11563
    Number of 32-bit ASes in RIPE: 5789
    Number of 16-bit ASes that are only origin in RIPE: 4951
    Number of 32-bit ASes that are only origin in RIPE: 5553
    Number of 16-bit ASes that are only transit in RIPE: 51
    Number of 32-bit ASes that are only transit in RIPE: 22
    Number of Transit ASes that also announce prefixes in RIPE: 1057

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