AS16399
First Communications LLC — firstcomm.com
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Summary
| Country |
 United States
|
| Organization | First Communications LLC |
| Domain | firstcomm.com |
| Number of IPv4 | 128,768 |
| Number of IPv6 | 3.4662× 1028 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | April 25, 2000 (about 25 years ago) |
| Updated | March 02, 2012 (about 13 years ago) |
IP Ranges
AS16399 announces 21 IPv4 ranges and 7 IPv6 ranges.
That's a total of 128,768 IPv4 addresses and 3.4662× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 64.27.128.0/19 |
First Communications LLC
|
8,192 | ARIN | ALLOCATION |
| 66.244.160.0/19 |
Specialty Title Services - Hoffman Estates
|
8,192 | ARIN | REASSIGNMENT |
| 67.206.64.0/19 |
Tri-cities Immediate Care Llc-delnor
|
8,192 | ARIN | REASSIGNMENT |
| 69.7.192.0/19 |
Cimco Communications
|
8,192 | ARIN | REASSIGNMENT |
| 69.7.197.0/24 |
H&m Limousine Service, Inc.
|
256 | ARIN | REASSIGNMENT |
| 74.222.32.0/19 |
Hartshorne Plunkard Architecture
|
8,192 | ARIN | REASSIGNMENT |
| 168.92.0.0/19 |
First Communications LLC
|
8,192 | ARIN | ALLOCATION |
| 168.92.1.0/24 |
First Communications LLC
|
256 | ARIN | ALLOCATION |
| 168.92.3.0/24 |
First Communications LLC
|
256 | ARIN | ALLOCATION |
| 168.93.64.0/18 |
First Communications LLC
|
16,384 | ARIN | ALLOCATION |
| 168.93.128.0/18 |
First Communications LLC
|
16,384 | ARIN | ALLOCATION |
| 198.163.183.0/24 |
THE SEGERDAHL CORP.
|
256 | ARIN | ALLOCATION |
| 207.135.160.0/19 |
First Communications LLC
|
8,192 | ARIN | ALLOCATION |
| 209.45.176.0/24 |
Centurylink Communications, LLC
|
256 | ARIN | ALLOCATION |
| 209.170.160.0/20 |
Cimco Communications
|
4,096 | ARIN | REASSIGNMENT |
| 216.21.32.0/19 |
Sutton Place Hotel
|
8,192 | ARIN | REASSIGNMENT |
| 216.126.206.0/24 |
MCC TECHNOLOGY INC
|
256 | ARIN | ALLOCATION |
| 216.130.96.0/19 |
First Communications LLC
|
8,192 | ARIN | ALLOCATION |
| 216.146.64.0/19 |
Hanley Flight & Zimmerman, LLC
|
8,192 | ARIN | REASSIGNMENT |
| 216.159.224.0/19 |
Chicago Indoor Racing
|
8,192 | ARIN | REASSIGNMENT |
| 216.159.230.0/24 |
GAMON INTERNATIONAL
|
256 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2606:7d80:1000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:2000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:3000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:4000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:5000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:6000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2606:7d80:7000::/36 |
First Communications LLC
|
4.9518× 1027 | ARIN | ALLOCATION |
Peers
AS16399 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
AS16399 connects to the global Internet via at least 4 upstream providers. In this setup, AS16399 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS16399 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS16399's role in extending Internet access beyond its own infrastructure.