[lacnog] Weekly Global IPv6 Routing Table Summary
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Jue Ene 29 11:37:18 -03 2026
This is an automated weekly mailing describing the state of the Global
IPv6 Routing Table as seen from Potaroo.net (https://bgp.potaroo.net/v6/as2.0/bgptable.txt)
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Global Analysis Summary
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BGP routing table entries examined: 244788
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: 28
Longest Global AS PATH: 32
Prefixes identified as IANA: 7
Global Average Prefix Length: 42.94
Number of /48s globally: 109882
Total ASes present in the Internet Routing Table: 35756
Average number of ASes per prefix: 6.85
Number of 32-bit ASes globally: 22820
Number of 16-bit ASes globally: 12936
Number of ASes that are only origin: 33315
Number of 16-bit ASes that are only origin: 11455
Number of 32-bit ASes that are only origin: 21860
Number of ASes that are only transit: 145
Number of 16-bit ASes that are only transit: 92
Number of 32-bit ASes that are only transit: 53
Number of Transit ASes that also announce prefixes: 2441
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: 3
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: 88772
Average number of prefixes according to the number of ASes in APNIC: 9.28
Average Prefix Length in APNIC: 43.8
Number of /48s in APNIC: 37039
Longest PATH in APNIC: 24
Prefix with most prepends in APNIC {'PREFIX': '2001:df4:5fc0::/48', 'Count': 20, 'AS': '138804'}
Number of ASes in APNIC: 9563
Number of 32-bit ASes in APNIC: 7803
Number of 16-bit ASes that are only origin in APNIC: 1471
Number of 32-bit ASes that are only origin in APNIC: 7637
Number of 16-bit ASes that are only transit in APNIC: 30
Number of 32-bit ASes that are only transit in APNIC: 19
Number of Transit ASes that also announce prefixes in APNIC: 442
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: 37591
Average number of prefixes according to the number of ASes in ARIN: 7.34
Average Prefix Length in ARIN: 44.39
Number of /48s in ARIN: 20433
Longest AS PATH in ARIN: 26
Prefix with most prepends in ARIN {'PREFIX': '2602:f959:2::/48', 'Count': 19, 'AS': '60539'}
Number of ASes in ARIN: 5119
Number of 32-bit ASes in ARIN: 1424
Number of 16-bit ASes that are only origin in ARIN: 3409
Number of 32-bit ASes that are only origin in ARIN: 1392
Number of 16-bit ASes that are only transit in ARIN: 11
Number of 32-bit ASes that are only transit in ARIN: 6
Number of Transit ASes that also announce prefixes in ARIN: 312
LACNIC Region Analysis Summary
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LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12
Number of prefixes analyzed in LACNIC: 51421
Average number of prefixes according to the number of ASes in LACNIC: 5.57
Average Prefix Length in LACNIC: 40.93
Number of /48s in LACNIC: 18694
Longest AS PATH in LACNIC: 32
Prefix with most prepends in LACNIC {'PREFIX': '2803:6850:1::/48', 'Count': 29, 'AS': '273113'}
Number of ASes in LACNIC: 9230
Number of 32-bit ASes in LACNIC: 7815
Number of 16-bit ASes that are only origin in LACNIC: 1124
Number of 32-bit ASes that are only origin in LACNIC: 7212
Number of 16-bit ASes that are only transit in LACNIC: 8
Number of 32-bit ASes that are only transit in LACNIC: 10
Number of Transit ASes that also announce prefixes in LACNIC: 890
AFRINIC Region Analysis Summary
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AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12
Number of prefixes analyzed in AFRINIC: 4051
Average number of prefixes according to the number of ASes in AFRINIC: 6.15
Average Prefix Length in AFRINIC: 43.29
Number of /48s in AFRINIC: 2085
Longest AS PATH in AFRINIC: 17
Prefix with most prepends in AFRINIC {'PREFIX': '2c0f:f2b0::/32', 'Count': 14, 'AS': '328049'}
Number of ASes in AFRINIC: 659
Number of 32-bit ASes in AFRINIC: 380
Number of 16-bit ASes that are only origin in AFRINIC: 239
Number of 32-bit ASes that are only origin in AFRINIC: 371
Number of 16-bit ASes that are only transit in AFRINIC: 2
Number of 32-bit ASes that are only transit in AFRINIC: 1
Number of Transit ASes that also announce prefixes in AFRINIC: 49
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: 62946
Average number of prefixes according to the number of ASes in RIPE: 5.63
Average Prefix Length in RIPE: 42.49
Number of /48s in RIPE: 31627
Longest AS PATH in RIPE: 25
Prefix with most prepends in RIPE {'PREFIX': '2a0b:4e07:1800::/38', 'Count': 20, 'AS': '44331'}
Number of ASes in RIPE: 11182
Number of 32-bit ASes in RIPE: 5385
Number of 16-bit ASes that are only origin in RIPE: 5197
Number of 32-bit ASes that are only origin in RIPE: 5235
Number of 16-bit ASes that are only transit in RIPE: 41
Number of 32-bit ASes that are only transit in RIPE: 16
Number of Transit ASes that also announce prefixes in RIPE: 748
End of report
Based on Phil Smith's IPv4 Weekly Report
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