[lacnog] Weekly Global IPv6 Routing Table Summary
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weeklyipv6report en gmail.com
Jue Ene 15 11:49:47 -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: 243034
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: 27
Longest Global AS PATH: 32
Prefixes identified as IANA: 7
Global Average Prefix Length: 42.91
Number of /48s globally: 109178
Total ASes present in the Internet Routing Table: 35646
Average number of ASes per prefix: 6.82
Number of 32-bit ASes globally: 22736
Number of 16-bit ASes globally: 12910
Number of ASes that are only origin: 33238
Number of 16-bit ASes that are only origin: 11441
Number of 32-bit ASes that are only origin: 21797
Number of ASes that are only transit: 143
Number of 16-bit ASes that are only transit: 95
Number of 32-bit ASes that are only transit: 48
Number of Transit ASes that also announce prefixes: 2408
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: 88078
Average number of prefixes according to the number of ASes in APNIC: 9.24
Average Prefix Length in APNIC: 43.78
Number of /48s in APNIC: 36746
Longest PATH in APNIC: 24
Prefix with most prepends in APNIC {'PREFIX': '2402:5680:8f00::/44', 'Count': 18, 'AS': '133798'}
Number of ASes in APNIC: 9528
Number of 32-bit ASes in APNIC: 7772
Number of 16-bit ASes that are only origin in APNIC: 1468
Number of 32-bit ASes that are only origin in APNIC: 7606
Number of 16-bit ASes that are only transit in APNIC: 32
Number of 32-bit ASes that are only transit in APNIC: 19
Number of Transit ASes that also announce prefixes in APNIC: 443
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: 37327
Average number of prefixes according to the number of ASes in ARIN: 7.31
Average Prefix Length in ARIN: 44.42
Number of /48s in ARIN: 20463
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: 5103
Number of 32-bit ASes in ARIN: 1424
Number of 16-bit ASes that are only origin in ARIN: 3398
Number of 32-bit ASes that are only origin in ARIN: 1397
Number of 16-bit ASes that are only transit in ARIN: 12
Number of 32-bit ASes that are only transit in ARIN: 5
Number of Transit ASes that also announce prefixes in ARIN: 302
LACNIC Region Analysis Summary
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LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12
Number of prefixes analyzed in LACNIC: 51123
Average number of prefixes according to the number of ASes in LACNIC: 5.55
Average Prefix Length in LACNIC: 40.91
Number of /48s in LACNIC: 18561
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: 9219
Number of 32-bit ASes in LACNIC: 7812
Number of 16-bit ASes that are only origin in LACNIC: 1117
Number of 32-bit ASes that are only origin in LACNIC: 7209
Number of 16-bit ASes that are only transit in LACNIC: 8
Number of 32-bit ASes that are only transit in LACNIC: 9
Number of Transit ASes that also announce prefixes in LACNIC: 889
AFRINIC Region Analysis Summary
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AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12
Number of prefixes analyzed in AFRINIC: 3857
Average number of prefixes according to the number of ASes in AFRINIC: 5.88
Average Prefix Length in AFRINIC: 43.08
Number of /48s in AFRINIC: 1900
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: 656
Number of 32-bit ASes in AFRINIC: 379
Number of 16-bit ASes that are only origin in AFRINIC: 241
Number of 32-bit ASes that are only origin in AFRINIC: 372
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: 43
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: 62642
Average number of prefixes according to the number of ASes in RIPE: 5.62
Average Prefix Length in RIPE: 42.42
Number of /48s in RIPE: 31504
Longest AS PATH in RIPE: 28
Prefix with most prepends in RIPE {'PREFIX': '2a13:9500:c8::/48', 'Count': 24, 'AS': '153060'}
Number of ASes in RIPE: 11137
Number of 32-bit ASes in RIPE: 5337
Number of 16-bit ASes that are only origin in RIPE: 5203
Number of 32-bit ASes that are only origin in RIPE: 5201
Number of 16-bit ASes that are only transit in RIPE: 41
Number of 32-bit ASes that are only transit in RIPE: 13
Number of Transit ASes that also announce prefixes in RIPE: 731
End of report
Based on Phil Smith's IPv4 Weekly Report
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