AS55219
Cisco Systems, Inc. — cisco.com
Summary
| Country |
 United States
|
| Organization | Cisco Systems, Inc. |
| Domain | cisco.com |
| Number of IPv4 | 2,304 |
| Number of IPv6 | 3.7477× 1025 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | April 24, 2013 (about 12 years ago) |
| Updated | July 01, 2015 (about 9 years ago) |
IP Ranges
AS55219 announces 4 IPv4 ranges and 9 IPv6 ranges.
That's a total of 2,304 IPv4 addresses and 3.7477× 1025 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 12.167.151.0/24 |
AT&T Enterprises, LLC
|
256 | ARIN | ALLOCATION |
| 172.110.204.0/22 |
Cisco Systems, Inc.
|
1,024 | ARIN | ALLOCATION |
| 172.110.204.0/23 |
Cisco Systems, Inc.
|
512 | ARIN | ALLOCATION |
| 198.148.78.0/23 |
Cisco Systems, Inc.
|
512 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2620:28:c000::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121::/45 |
Cisco Systems, Inc.
|
9.6714× 1024 | ARIN | ALLOCATION |
| 2620:121::/44 |
Cisco Systems, Inc.
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2620:121::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121:1::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121:2::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121:4::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121:6::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2620:121:7::/48 |
Cisco Systems, Inc.
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
AS55219 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS55219 connects to the global Internet via at least 4 upstream providers. In this setup, AS55219 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS55219 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.