AS3561 CenturyLink Communications LLC
General Info - AS3561
6,347,808
10,974,779,706,189,061,919,080,448
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 2001:460:8:3000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:10:1000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:10:2000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:18:2000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:18:3e00::/55 | 9,444,732,965,739,290,427,392 | |
| 2001:460:18:800e::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:18:8100::/56 | 4,722,366,482,869,645,213,696 | |
| 2001:460:28:3000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:38:3002::/63 | 36,893,488,147,419,103,232 | |
| 2001:460:38:3100::/56 | 4,722,366,482,869,645,213,696 | |
| 2001:460:38:3080::/57 | 2,361,183,241,434,822,606,848 | |
| 2001:460:38:3004::/62 | 73,786,976,294,838,206,464 | |
| 2001:460:38:3001::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:38:3010::/60 | 295,147,905,179,352,825,856 | |
| 2001:460:38:3020::/59 | 590,295,810,358,705,651,712 | |
| 2001:460:38:3008::/61 | 147,573,952,589,676,412,928 | |
| 2001:460:38:3040::/58 | 1,180,591,620,717,411,303,424 | |
| 2001:460:38:3000::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:38:3200::/55 | 9,444,732,965,739,290,427,392 | |
| 2001:460:38:3400::/54 | 18,889,465,931,478,580,854,784 | |
| 2001:460:38:3800::/53 | 37,778,931,862,957,161,709,568 | |
| 2001:460:38:7100::/56 | 4,722,366,482,869,645,213,696 | |
| 2001:460:38:7001::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:38:7002::/63 | 36,893,488,147,419,103,232 | |
| 2001:460:38:7010::/60 | 295,147,905,179,352,825,856 | |
| 2001:460:38:7040::/58 | 1,180,591,620,717,411,303,424 | |
| 2001:460:38:7008::/61 | 147,573,952,589,676,412,928 | |
| 2001:460:38:7004::/62 | 73,786,976,294,838,206,464 | |
| 2001:460:38:7080::/57 | 2,361,183,241,434,822,606,848 | |
| 2001:460:38:7000::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:38:7020::/59 | 590,295,810,358,705,651,712 | |
| 2001:460:38:7200::/55 | 9,444,732,965,739,290,427,392 | |
| 2001:460:38:7400::/54 | 18,889,465,931,478,580,854,784 | |
| 2001:460:38:7800::/53 | 37,778,931,862,957,161,709,568 | |
| 2001:460:40:3000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:40:4000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:40:5000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:50:6000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:50:7000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:58:5000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:58:6000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:60:3100::/56 | 4,722,366,482,869,645,213,696 | |
| 2001:460:60:3080::/57 | 2,361,183,241,434,822,606,848 | |
| 2001:460:60:3040::/58 | 1,180,591,620,717,411,303,424 | |
| 2001:460:60:3008::/61 | 147,573,952,589,676,412,928 | |
| 2001:460:60:3004::/62 | 73,786,976,294,838,206,464 | |
| 2001:460:60:3000::/63 | 36,893,488,147,419,103,232 | |
| 2001:460:60:3003::/64 | 18,446,744,073,709,551,616 | |
| 2001:460:60:3010::/60 | 295,147,905,179,352,825,856 | |
| 2001:460:60:3020::/59 | 590,295,810,358,705,651,712 | |
| 2001:460:60:3200::/55 | 9,444,732,965,739,290,427,392 | |
| 2001:460:60:3400::/54 | 18,889,465,931,478,580,854,784 | |
| 2001:460:60:3800::/53 | 37,778,931,862,957,161,709,568 | |
| 2001:460:68:2000::/52 | 75,557,863,725,914,323,419,136 | |
| 2001:460:78::/46 | 4,835,703,278,458,516,698,824,704 | |
| 2001:460:100::/46 | 4,835,703,278,458,516,698,824,704 | |
| 2a02:5860::/52 | 75,557,863,725,914,323,419,136 |
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What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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