Country
Canada
Autonomous systems registered in Canada, largest IPv4 address space first.
Routed networks
1,624
of 2,516 registered
IPv4 addresses
80.01M
40,740 prefixes
IPv6 prefixes
4,007
CA
Networks
| AS | Network | IPv4 addresses | IPv4 prefixes | IPv6 prefixes | Upstreams | Downstreams |
|---|---|---|---|---|---|---|
| AS6327 | Shaw Communications | 13.44M | 3,843 | 857 | 19 | 223 |
| AS577 | Bell Canada | 11.25M | 16,370 | 70 | 22 | 310 |
| AS812 | Rogers Communications Canada Inc. | 10.22M | 1,473 | 737 | 17 | 205 |
| AS5769 | Videotron Ltee | 5.56M | 266 | 11 | 16 | 14 |
| AS852 | TELUS Communications Inc. | 5.07M | 749 | 338 | 16 | 401 |
| AS376 | Reseau d'Informations Scientifiques du Quebec (RISQ Inc.) | 1.88M | 278 | 10 | 11 | 22 |
| AS855 | Bell Canada | 1.70M | 829 | 6 | 6 | 28 |
| AS2675 | Shared Services Canada | 1.11M | 364 | 0 | 2 | 1 |
| AS808 | GONET | 1.03M | 53 | 0 | 1 | 0 |
| AS7992 | Cogeco Connexion Inc. | 989K | 39 | 2 | 9 | 23 |
| AS3633 | Province of British Columbia | 921K | 27 | 0 | 2 | 0 |
| AS5645 | TekSavvy Solutions, Inc. | 842K | 85 | 3 | 11 | 5 |
| AS13768 | Aptum Technologies | 650K | 486 | 17 | 13 | 19 |
| AS11260 | EastLink | 623K | 112 | 5 | 28 | 40 |
| AS6407 | Primus Telecommunications Canada Inc. | 578K | 367 | 0 | 1 | 2 |
| AS1403 | EBOX | 538K | 226 | 20 | 9 | 202 |
| AS239 | University of Toronto | 528K | 15 | 3 | 7 | 0 |
| AS803 | Saskatchewan Telecommunications | 527K | 44 | 3 | 17 | 25 |
| AS7122 | Bell Canada | 511K | 18 | 1 | 1 | 20 |
| AS271 | BCNET | 451K | 91 | 37 | 7 | 16 |
| AS25820 | IT7 Networks Inc | 432K | 272 | 8 | 33 | 0 |
| AS11290 | Cogeco Connexion inc | 417K | 63 | 4 | 7 | 7 |
| AS11814 | Distributel Communications Limited | 417K | 90 | 1 | 9 | 5 |
| AS398721 | OXIO | 401K | 59 | 0 | 7 | 0 |
| AS393952 | Service Alberta | 391K | 103 | 0 | 2 | 0 |
| AS11489 | Bell Canada | 364K | 38 | 0 | 2 | 0 |
| AS22995 | Xplore Inc. | 363K | 136 | 21 | 20 | 4 |
| AS55286 | B2 Net Solutions Inc. | 352K | 795 | 13 | 3 | 4 |
| AS611 | NB-PEI Educational Computer Network | 345K | 46 | 0 | 3 | 0 |
| AS15128 | Comwave Telecom Inc. | 337K | 273 | 10 | 9 | 0 |
| AS7794 | Execulink Telecom Inc. | 304K | 54 | 3 | 11 | 3 |
| AS54614 | CIK Telecom INC | 291K | 200 | 1 | 9 | 0 |
| AS393249 | University of British Columbia | 288K | 43 | 5 | 1 | 1 |
| AS54994 | Meteverse Limited. | 285K | 1,104 | 162 | 168 | 6 |
| AS32613 | Leaseweb Canada Inc. | 277K | 64 | 7 | 4 | 8 |
| AS22652 | Videotron Ltee | 273K | 156 | 15 | 15 | 495 |
| AS20161 | TeraGo Networks Inc. | 272K | 220 | 4 | 10 | 7 |
| AS822 | St. Joseph's Health Care, London | 262K | 7 | 0 | 2 | 0 |
| AS22423 | Altima Telecom | 237K | 91 | 0 | 7 | 0 |
| AS21724 | GOCO TECHNOLOGY LIMITED PARTNERSHIP | 208K | 66 | 0 | 1 | 0 |
| AS40788 | Start Communications | 203K | 32 | 1 | 10 | 3 |
| AS5690 | Vianet Inc. | 200K | 80 | 1 | 6 | 8 |
| AS8111 | Dalhousie University | 198K | 7 | 3 | 3 | 9 |
| AS21723 | GOCO TECHNOLOGY LIMITED PARTNERSHIP | 196K | 154 | 4 | 13 | 3 |
| AS21949 | Beanfield Technologies Inc. | 192K | 71 | 2 | 18 | 122 |
| AS7057 | Managed Network Systems Inc. | 187K | 10 | 1 | 8 | 3 |
| AS3848 | WorldLinx Telecommunications, Inc. | 172K | 109 | 3 | 3 | 1 |
| AS7311 | Frontier Networks Inc | 152K | 99 | 1 | 16 | 26 |
| AS25668 | Cipherkey Exchange Corp. | 152K | 60 | 1 | 11 | 2 |
| AS15318 | McGill University | 149K | 13 | 1 | 1 | 0 |
| AS17001 | University of Manitoba | 148K | 4 | 0 | 3 | 1 |
| AS26996 | Toronto Metropolitan University | 147K | 4 | 0 | 2 | 0 |
| AS35911 | Telebec | 147K | 110 | 0 | 1 | 6 |
| AS19752 | Hydro One Telecom Inc. | 141K | 26 | 4 | 8 | 25 |
| AS396338 | Altima Telecom | 139K | 62 | 0 | 3 | 0 |
| AS25826 | University of Ottawa | 135K | 8 | 0 | 2 | 0 |
| AS36493 | FIBERNETICS CORPORATION | 135K | 38 | 1 | 9 | 5 |
| AS16623 | Alberta Health Services | 133K | 8 | 0 | 3 | 0 |
| AS3359 | University of Alberta | 133K | 6 | 1 | 3 | 0 |
| AS33602 | Tele-Universite | 131K | 5 | 0 | 1 | 0 |
| AS19925 | Sunnybrook Health Sciences Centre | 131K | 3 | 0 | 2 | 0 |
| AS17120 | New Brunswick Department of Education and Early Childhood Development | 131K | 2 | 0 | 1 | 0 |
| AS823 | University of Western Ontario | 129K | 24 | 1 | 2 | 0 |
| AS394520 | The Law Society of Upper Canada | 127K | 16 | 1 | 2 | 0 |
| AS16462 | University of Victoria | 122K | 19 | 2 | 1 | 0 |
| AS395965 | Carrytel | 118K | 60 | 0 | 3 | 0 |
| AS27293 | The Bank of Canada | 111K | 17 | 0 | 2 | 0 |
| AS40029 | Novus Entertainment Inc. | 105K | 94 | 2 | 5 | 1 |
| AS21804 | Access Communications Co-operative Limited | 96.78K | 25 | 3 | 16 | 3 |
| AS29974 | Wightman Telecom | 96.51K | 119 | 129 | 9 | 1 |
| AS11105 | Simon Fraser University | 96.00K | 21 | 1 | 1 | 0 |
| AS26753 | In2net Network Inc. | 94.72K | 16 | 0 | 2 | 0 |
| AS397545 | Purple Cow Internet Inc | 94.46K | 64 | 0 | 2 | 0 |
| AS29988 | Rogers Communications Canada Inc. | 92.93K | 181 | 0 | 8 | 2 |
| AS53356 | Free Range Cloud Hosting Inc. | 87.30K | 156 | 115 | 30 | 69 |
| AS6561 | JUCE Communications Inc | 85.25K | 8 | 0 | 2 | 0 |
| AS25689 | Shared Services Canada | 84.22K | 39 | 0 | 2 | 0 |
| AS395064 | Douglas College | 84.22K | 7 | 0 | 1 | 0 |
| AS16796 | MERLIN | 82.43K | 42 | 2 | 4 | 2 |
| AS4540 | SOGETEL INC | 81.66K | 48 | 0 | 5 | 6 |
| AS64258 | GROUPE TECHNOLOGIES DESJARDINS INC. | 79.87K | 110 | 0 | 4 | 0 |
| AS11666 | Nexicom Inc. | 79.87K | 15 | 1 | 6 | 9 |
| AS31983 | Queen's University at Kingston | 78.34K | 5 | 0 | 2 | 0 |
| AS27495 | Open Text Corporation | 76.80K | 16 | 0 | 3 | 0 |
| AS395272 | City of Montreal | 73.98K | 3 | 0 | 1 | 0 |
| AS63385 | Gouvernement du Quebec (Government of Quebec) | 72.96K | 31 | 0 | 1 | 0 |
| AS11700 | CW-E | 71.94K | 14 | 0 | 4 | 0 |
| AS802 | York University | 71.94K | 4 | 0 | 1 | 0 |
| AS15348 | Tucows.com Co. | 71.68K | 10 | 1 | 2 | 0 |
| AS5071 | Navigata Communications Limited | 71.68K | 3 | 0 | 2 | 0 |
| AS6579 | Memorial University of Newfoundland | 71.42K | 6 | 0 | 3 | 0 |
| AS14014 | Canadian National Railway | 70.91K | 15 | 1 | 3 | 0 |
| AS14836 | City of Toronto | 70.40K | 9 | 0 | 2 | 0 |
| AS396420 | Valley Fiber Ltd. | 68.61K | 163 | 3 | 3 | 3 |
| AS10929 | eStruxture Data Centers Inc. | 68.61K | 58 | 3 | 6 | 13 |
| AS22950 | University of Saskatchewan | 68.35K | 12 | 1 | 2 | 1 |
| AS4476 | British Columbia Institute of Technology | 67.58K | 9 | 1 | 1 | 0 |
| AS7950 | Holland College | 67.58K | 9 | 0 | 2 | 0 |
| AS36534 | Alberta Health Services | 66.82K | 6 | 0 | 3 | 0 |
| AS36750 | City of Mississauga | 66.82K | 6 | 0 | 6 | 0 |
Registration country comes from the regional registries' delegation files. A network registered here may announce space used anywhere.