[lacnog] Weekly Global IPv6 Routing Table Summary
weeklyipv6report en gmail.com
weeklyipv6report en gmail.com
Jue Nov 13 11:27:49 -03 2025
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: 236104
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: 25
Longest Global AS PATH: 33
Prefixes identified as IANA: 7
Global Average Prefix Length: 42.92
Number of /48s globally: 106135
Total ASes present in the Internet Routing Table: 35571
Average number of ASes per prefix: 6.64
Number of 32-bit ASes globally: 22586
Number of 16-bit ASes globally: 12985
Number of ASes that are only origin: 32986
Number of 16-bit ASes that are only origin: 11394
Number of 32-bit ASes that are only origin: 21592
Number of ASes that are only transit: 156
Number of 16-bit ASes that are only transit: 100
Number of 32-bit ASes that are only transit: 56
Number of Transit ASes that also announce prefixes: 2585
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: 86520
Average number of prefixes according to the number of ASes in APNIC: 9.18
Average Prefix Length in APNIC: 43.78
Number of /48s in APNIC: 35808
Longest PATH in APNIC: 33
Prefix with most prepends in APNIC {'PREFIX': '2001:df5:1e40::/48', 'Count': 25, 'AS': '139693'}
Number of ASes in APNIC: 9420
Number of 32-bit ASes in APNIC: 7675
Number of 16-bit ASes that are only origin in APNIC: 1445
Number of 32-bit ASes that are only origin in APNIC: 7493
Number of 16-bit ASes that are only transit in APNIC: 28
Number of 32-bit ASes that are only transit in APNIC: 24
Number of Transit ASes that also announce prefixes in APNIC: 471
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: 36667
Average number of prefixes according to the number of ASes in ARIN: 7.19
Average Prefix Length in ARIN: 44.39
Number of /48s in ARIN: 19886
Longest AS PATH in ARIN: 27
Prefix with most prepends in ARIN {'PREFIX': '2604:5500::/42', 'Count': 25, 'AS': '19165'}
Number of ASes in ARIN: 5097
Number of 32-bit ASes in ARIN: 1426
Number of 16-bit ASes that are only origin in ARIN: 3352
Number of 32-bit ASes that are only origin in ARIN: 1391
Number of 16-bit ASes that are only transit in ARIN: 14
Number of 32-bit ASes that are only transit in ARIN: 6
Number of Transit ASes that also announce prefixes in ARIN: 352
LACNIC Region Analysis Summary
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LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12
Number of prefixes analyzed in LACNIC: 50127
Average number of prefixes according to the number of ASes in LACNIC: 5.47
Average Prefix Length in LACNIC: 40.87
Number of /48s in LACNIC: 17811
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: 9159
Number of 32-bit ASes in LACNIC: 7748
Number of 16-bit ASes that are only origin in LACNIC: 1115
Number of 32-bit ASes that are only origin in LACNIC: 7125
Number of 16-bit ASes that are only transit in LACNIC: 10
Number of 32-bit ASes that are only transit in LACNIC: 11
Number of Transit ASes that also announce prefixes in LACNIC: 914
AFRINIC Region Analysis Summary
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AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12
Number of prefixes analyzed in AFRINIC: 3356
Average number of prefixes according to the number of ASes in AFRINIC: 5.2
Average Prefix Length in AFRINIC: 42.45
Number of /48s in AFRINIC: 1504
Longest AS PATH in AFRINIC: 15
Prefix with most prepends in AFRINIC {'PREFIX': '2c0f:fc89::/32', 'Count': 11, 'AS': '36992'}
Number of ASes in AFRINIC: 645
Number of 32-bit ASes in AFRINIC: 368
Number of 16-bit ASes that are only origin in AFRINIC: 236
Number of 32-bit ASes that are only origin in AFRINIC: 360
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: 59427
Average number of prefixes according to the number of ASes in RIPE: 5.28
Average Prefix Length in RIPE: 42.52
Number of /48s in RIPE: 31122
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: 11247
Number of 32-bit ASes in RIPE: 5363
Number of 16-bit ASes that are only origin in RIPE: 5230
Number of 32-bit ASes that are only origin in RIPE: 5217
Number of 16-bit ASes that are only transit in RIPE: 45
Number of 32-bit ASes that are only transit in RIPE: 13
Number of Transit ASes that also announce prefixes in RIPE: 799
End of report
Based on Phil Smith's IPv4 Weekly Report
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