Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
30,476,544 IP addresses
Network
| ASN | 209 |
|---|---|
| Name | CENTURYLINK-US-LEGACY-QWEST - Qwest Communications Company, LLC |
| Organization | CenturyLink Communications, LLC |
| Country | United States |
| Registry | ARIN |
Details
| IPv4 addresses | 30,476,544 |
|---|---|
| IPv6 /64 networks | 1.01 x 240 |
| Prefixes | 3,436 |
Other ASN allocated to CenturyLink Communications, LLC
Prefixes for AS209
IPv4 addresses - showing the first 20 of 3,370 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 103.7.160.0/22 | Openlink |  Singapore (Bishan) |
1,024 |
| 104.100.171.0/24 | CenturyLink Communications, LLC |  New York |
256 |
| 104.152.83.0/24 | CenturyLink Communications, LLC | Port Huron |
256 |
| 104.152.84.0/23 | CenturyLink Communications, LLC | Port Huron |
512 |
| 104.152.86.0/24 | CenturyLink Communications, LLC | Port Huron |
256 |
| 104.152.87.0/24 | CenturyLink Communications, LLC | Phoenix (Encanto) |
256 |
| 104.167.172.0/22 | Boingo MDU LLC | Tempe |
1,024 |
| 104.167.176.0/22 | Boingo MDU LLC | Tempe |
1,024 |
| 104.255.120.0/22 | CenturyLink Communications, LLC | Washington D.C. |
1,024 |
| 104.255.142.0/24 | CenturyLink Communications, LLC |  Savonlinna |
256 |
| 104.255.143.0/24 | CenturyLink Communications, LLC | Newark |
256 |
| 104.36.162.0/24 | CenturyLink Communications, LLC | Greeley |
256 |
| 104.71.143.0/24 | Akamai Technologies | Fort Hood |
256 |
| 104.73.160.0/24 | CenturyLink Communications, LLC | Los Angeles |
256 |
| 104.73.163.0/24 | CenturyLink Communications, LLC | New York |
256 |
| 104.73.5.0/24 | CenturyLink Communications, LLC |  Güines |
256 |
| 104.77.1.0/24 | CenturyLink Communications, LLC |  Naples |
256 |
| 104.77.103.0/24 | CenturyLink Communications, LLC |  Sulaco |
256 |
| 104.77.105.0/24 | CenturyLink Communications, LLC | Los Angeles |
256 |
| 104.77.110.0/24 | CenturyLink Communications, LLC | Güines |
256 |
IPv6 addresses - showing the first 20 of 66 networks
| Network | Location | /64 Prefixes | |
|---|---|---|---|
| 2001:428:4c02:1fd::/64 | CenturyLink Communications | Cambridge (Area 2/MIT) |
20 |
| 2001:428::/32 | CenturyLink Communications, LLC | Monroe |
232 |
| 2001:428:f000::/36 | CenturyLink Communications, LLC |  Chai Wan |
228 |
| 2001:460:60:3002::/64 | CenturyLink Communications, LLC | Chicago (Loop) |
20 |
| 2405:3e00::/32 | CenturyLink Communications, LLC | Wanchai |
232 |
| 2602::/24 | CenturyLink Communications, LLC | Monroe |
240 |
| 2602:fe60::/36 | CenturyLink Communications, LLC | Socorro |
228 |
| 2602:fea4::/36 | CenturyLink Communications, LLC | Eden |
228 |
| 2602:fed9::/36 | CenturyLink Communications, LLC | Socorro |
228 |
| 2602:ffa2::/36 | CenturyLink Communications, LLC | Mount Shasta |
228 |
| 2604:f740::/48 | CenturyLink Communications, LLC | Chicago (Near South Side) |
216 |
| 2606:5000:1000::/39 | CenturyLink Communications, LLC | Chicago |
225 |
| 2606:5000:1200::/39 | CenturyLink Communications, LLC | Chicago (Loop) |
225 |
| 2606:5000:1400::/39 | CenturyLink Communications, LLC | Chicago (Loop) |
225 |
| 2606:5000:1a00::/39 | CenturyLink Communications, LLC | Chicago (Loop) |
225 |
| 2606:5000:1c00::/39 | CenturyLink Communications, LLC | Chicago |
225 |
| 2606:5000:1e00::/39 | CenturyLink Communications, LLC | Chicago (Loop) |
225 |
| 2606:5000:200::/39 | CenturyLink Communications, LLC | Chicago (Near South Side) |
225 |
| 2606:5000:2200::/39 | CenturyLink Communications, LLC | Chicago |
225 |
| 2606:5000:2220::/43 | CenturyLink Communications, LLC | Chicago (Loop) |
221 |
