[lacnog] Weekly Global IPv6 Routing Table Summary
weeklyipv6report en gmail.com
weeklyipv6report en gmail.com
Jue Oct 16 11:28:28 -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: 236925
Prefix with the most prepends: {'PREFIX': '2401:e560:10::/44', 'Count': 31, 'AS': '151633'}
Unidentified prefixes: 0
Number of AS_SET found in the Routing Table: 27
Longest Global AS PATH: 35
Prefixes identified as IANA: 7
Global Average Prefix Length: 42.91
Number of /48s globally: 106003
Total ASes present in the Internet Routing Table: 35440
Average number of ASes per prefix: 6.69
Number of 32-bit ASes globally: 22479
Number of 16-bit ASes globally: 12961
Number of ASes that are only origin: 33033
Number of 16-bit ASes that are only origin: 11465
Number of 32-bit ASes that are only origin: 21568
Number of ASes that are only transit: 153
Number of 16-bit ASes that are only transit: 95
Number of 32-bit ASes that are only transit: 58
Number of Transit ASes that also announce prefixes: 2407
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: 4
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: 85953
Average number of prefixes according to the number of ASes in APNIC: 9.13
Average Prefix Length in APNIC: 43.79
Number of /48s in APNIC: 35580
Longest PATH in APNIC: 35
Prefix with most prepends in APNIC {'PREFIX': '2401:e560:10::/44', 'Count': 31, 'AS': '151633'}
Number of ASes in APNIC: 9415
Number of 32-bit ASes in APNIC: 7666
Number of 16-bit ASes that are only origin in APNIC: 1467
Number of 32-bit ASes that are only origin in APNIC: 7505
Number of 16-bit ASes that are only transit in APNIC: 23
Number of 32-bit ASes that are only transit in APNIC: 21
Number of Transit ASes that also announce prefixes in APNIC: 435
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: 36454
Average number of prefixes according to the number of ASes in ARIN: 7.21
Average Prefix Length in ARIN: 44.4
Number of /48s in ARIN: 19851
Longest AS PATH in ARIN: 22
Prefix with most prepends in ARIN {'PREFIX': '2602:fd5d:9::/48', 'Count': 19, 'AS': '60849'}
Number of ASes in ARIN: 5055
Number of 32-bit ASes in ARIN: 1406
Number of 16-bit ASes that are only origin in ARIN: 3361
Number of 32-bit ASes that are only origin in ARIN: 1375
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: 317
LACNIC Region Analysis Summary
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LACNIC IPv6 prefixes: 2001:1200::/23 2800::/12
Number of prefixes analyzed in LACNIC: 50229
Average number of prefixes according to the number of ASes in LACNIC: 5.51
Average Prefix Length in LACNIC: 40.94
Number of /48s in LACNIC: 18248
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: 9108
Number of 32-bit ASes in LACNIC: 7699
Number of 16-bit ASes that are only origin in LACNIC: 1122
Number of 32-bit ASes that are only origin in LACNIC: 7124
Number of 16-bit ASes that are only transit in LACNIC: 10
Number of 32-bit ASes that are only transit in LACNIC: 13
Number of Transit ASes that also announce prefixes in LACNIC: 858
AFRINIC Region Analysis Summary
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AFRINIC IPv6 prefixes: 2001:4200::/23 2c00::/12
Number of prefixes analyzed in AFRINIC: 3370
Average number of prefixes according to the number of ASes in AFRINIC: 5.17
Average Prefix Length in AFRINIC: 42.43
Number of /48s in AFRINIC: 1505
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: 652
Number of 32-bit ASes in AFRINIC: 372
Number of 16-bit ASes that are only origin in AFRINIC: 243
Number of 32-bit ASes that are only origin in AFRINIC: 367
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: 42
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: 60912
Average number of prefixes according to the number of ASes in RIPE: 5.44
Average Prefix Length in RIPE: 42.44
Number of /48s in RIPE: 30815
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: 11206
Number of 32-bit ASes in RIPE: 5332
Number of 16-bit ASes that are only origin in RIPE: 5257
Number of 32-bit ASes that are only origin in RIPE: 5193
Number of 16-bit ASes that are only transit in RIPE: 44
Number of 32-bit ASes that are only transit in RIPE: 15
Number of Transit ASes that also announce prefixes in RIPE: 755
End of report
Based on Phil Smith's IPv4 Weekly Report
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