on.ca
One organisation, resolved across 4 separately-registered clusters
linked by shared operating domain on.ca — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-11-01
4 clusters ·
22,184 netblocks ·
11,750,292 IPv4 addresses ·
2,857 IPv6 prefixes ·
2 countries
IPv6 ranges (2,857)
showing the 500 largest allocations- 2001:41d0::/32
- 2402:1f00::/32
- 2402:5ce0::/32
- 2604:1f80::/32
- 2604:2dc0::/32
- 2604:3b00::/32
- 2604:4c00::/32
- 2604:5280::/32
- 2604:5580::/32
- 2604:db00::/32
- 2604:e80::/32
- 2605:1300::/32
- 2605:8d80::/32
- 2606:f900::/32
- 2607:5300::/32
- 2607:9880::/32
- 2607:a000::/32
- 2607:f090::/32
- 2607:f230::/32
- 2607:f798::/32
- 2607:f890::/32
- 2607:fbd8::/32
- 2607:fcf8::/32
- 2607:fea8::/32
- 2610:170::/32
- 2610::/32
- 2602:f692::/36
- 2604:1ec0::/36
- 2605:8d80:5000::/36
- 2606:f900:1000::/36
- 2606:f900:8000::/36
- 2607:f798:2000::/36
- 2001:41d0:fc00::/38
- 2605:8d80:400::/38
- 2605:8d80:800::/38
- 2606:f900:8800::/38
- 2607:fea8:1000::/38
- 2607:fea8:1400::/38
- 2607:fea8:1800::/38
- 2607:fea8:1c00::/38
- 2607:fea8:2000::/38
- 2607:fea8:2400::/38
- 2607:fea8:2800::/38
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- 2607:fea8:5000::/38
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- 2607:fea8:8000::/38
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- 2607:fea8:8400::/38
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- 2607:fea8:8c00::/38
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- 2607:fea8:9c00::/38
- 2607:fea8::/38
- 2607:fea8:a400::/38
- 2607:fea8:a800::/38
- 2607:fea8:b000::/38
- 2607:fea8:b400::/38
- 2607:fea8:b800::/38
- 2607:fea8:bc00::/38
- 2607:fea8:c000::/38
- 2607:fea8:c00::/38
- 2607:fea8:c400::/38
- 2607:fea8:c800::/38
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- 2607:fea8:d000::/38
- 2607:fea8:d400::/38
- 2607:fea8:d800::/38
- 2607:fea8:dc00::/38
- 2607:fea8:e000::/38
- 2607:fea8:e400::/38
- 2607:fea8:e800::/38
- 2607:fea8:ec00::/38
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- 2607:fea8:f400::/38
- 2607:fea8:f800::/38
- 2607:9880:5000::/39
- 2607:9880:5200::/39
- 2607:9880:5400::/39
- 2607:9880:5600::/39
- 2607:fea8:5c00::/39
- 2607:fea8:5e00::/39
- 2607:fea8:6000::/39
- 2607:fea8:6200::/39
- 2607:fea8:7000::/39
- 2607:fea8:7200::/39
- 2001:41d0:ac00::/40
- 2402:1f00:8000::/40
- 2402:1f00:8100::/40
- 2402:1f00:8200::/40
- 2402:1f00:8300::/40
- 2605:8d80:1000::/40
- 2605:8d80:400::/40
- 2605:8d80:800::/40
- 2606:f900:1000::/40
- 2606:f900:1100::/40
- 2606:f900:8000::/40
- 2606:f900:8100::/40
- 2605:8d80:800::/41
- 2605:8d80:1300::/42
- 2605:8d80:300::/42
- 2605:8d80:8b00::/43
- 2605:8d80:8b40::/43
- 2605:8d80:9800::/43
- 2605:8d80:9840::/43
- 2001:41d0:120::/44
- 2001:41d0:230::/44
- 2001:41d0:310::/44
- 2001:41d0:320::/44
- 2001:41d0:610::/44
- 2001:41d0:710::/44
- 2001:41d0:810::/44
- 2605:8d80:1390::/44
- 2605:8d80:13a0::/44
- 2605:8d80:13b0::/44
- 2605:8d80:13d0::/44
- 2605:8d80:13e0::/44
- 2605:8d80:13f0::/44
- 2605:8d80:1400::/44
- 2605:8d80:1410::/44
- 2605:8d80:1500::/44
- 2605:8d80:1510::/44
- 2605:8d80:1520::/44
- 2605:8d80:1530::/44
- 2605:8d80:1570::/44
- 2605:8d80:3800::/44
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- 2605:8d80:9ed0::/44
- 2605:8d80:a000::/44
- 2605:8d80:a010::/44
- 2605:8d80:a060::/44
Member clusters
- OVH SAS FR 19,569 netblocks
- Rogers Communications Canada Inc. CA-ON 2,571 netblocks
- EastLink 188 netblocks
- Huron Telecommunications Cooperative Limited 54 netblocks