AS111
Boston University — bu.edu
Summary
| Country |
 United States
|
| Organization | Boston University |
| Domain | bu.edu |
| Number of IPv4 | 167,168 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | May 11, 1987 (about 38 years ago) |
| Updated | June 07, 2023 (about 1 year ago) |
IP Ranges
AS111 announces 13 IPv4 ranges and 1 IPv6 range.
That's a total of 167,168 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 128.197.0.0/16 |
Boston University
|
65,536 | ARIN | ALLOCATION |
| 128.197.136.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 128.197.236.0/23 |
Boston University
|
512 | ARIN | ALLOCATION |
| 128.197.254.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 155.41.128.0/17 |
Boston University
|
32,768 | ARIN | ALLOCATION |
| 168.122.0.0/16 |
Boston University
|
65,536 | ARIN | ALLOCATION |
| 192.5.206.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 192.5.207.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 192.12.185.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 192.12.186.0/23 |
Boston University
|
512 | ARIN | ALLOCATION |
| 192.12.188.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 192.12.189.0/24 |
Boston University
|
256 | ARIN | ALLOCATION |
| 192.12.190.0/23 |
Boston University
|
512 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2610:58::/32 |
Boston University
|
7.9228× 1028 | ARIN | ALLOCATION |
Peers
AS111 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
AS111 connects to the global Internet via at least 6 upstream providers. In this setup, AS111 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS111 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS111's role in extending Internet access beyond its own infrastructure.