AS12187
Metropolitan Transportation Authority — mtahq.org
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Summary
| Country |
 United States
|
| Organization | Metropolitan Transportation Authority |
| Domain | mtahq.org |
| Number of IPv4 | 23,296 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | April 13, 1999 (about 27 years ago) |
| Updated | March 02, 2012 (about 14 years ago) |
IP Ranges
AS12187 announces 15 IPv4 ranges and 0 IPv6 range.
That's a total of 23,296 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 170.28.16.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.17.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.20.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.32.0/19 |
New York City Transit Authority
|
8,192 | ARIN | ALLOCATION |
| 170.28.64.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.64.0/19 |
New York City Transit Authority
|
8,192 | ARIN | ALLOCATION |
| 170.28.128.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.128.0/21 |
New York City Transit Authority
|
2,048 | ARIN | ALLOCATION |
| 170.28.136.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.136.0/21 |
New York City Transit Authority
|
2,048 | ARIN | ALLOCATION |
| 170.28.137.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.139.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.140.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.142.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
| 170.28.143.0/24 |
New York City Transit Authority
|
256 | ARIN | ALLOCATION |
Peers
AS12187 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS12187 connects to the global Internet via at least 4 upstream providers. In this setup, AS12187 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS12187 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.