AS12187 Metropolitan Transportation Authority 🇺🇸 US
Announcing 14 prefixes, seen at the RIS collectors.
IPv4 prefixes
14
23,296 (91 × /24)
IPv6 prefixes
0
-
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS12187
- Name
- Metropolitan Transportation Authority
- Organisation
- Metropolitan Transportation Authority - New York City Transit
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1999-04-13
- Network type
- Non-Profit
- Traffic levels
- 100-1000Mbps
- Scope
- Regional
- Peering policy
- Restrictive
- Website
- http://www.mta.info
- PeeringDB
- net/8562
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
14 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 170.28.16.0/23 v4 | no ROA | 41 | 3454964614688712187 | 2026-09-18 |
| 170.28.16.0/24 v4 | no ROA | 41 | 3454964614688712187 | 2026-09-18 |
| 170.28.17.0/24 v4 | no ROA | 41 | 3454917461285400412187 | 2026-09-18 |
| 170.28.32.0/19 v4 | no ROA | 40 | 1763970112187 | 2026-09-18 |
| 170.28.64.0/19 v4 | no ROA | 40 | 3454917412187 | 2026-09-18 |
| 170.28.64.0/24 v4 | no ROA | 40 | 3454917412187 | 2026-09-18 |
| 170.28.128.0/21 v4 | no ROA | 40 | 3454917412187 | 2026-09-18 |
| 170.28.128.0/24 v4 | no ROA | 40 | 3454917412187 | 2026-09-18 |
| 170.28.136.0/21 v4 | no ROA | 40 | 1763970112187 | 2026-09-18 |
| 170.28.136.0/24 v4 | no ROA | 41 | 1763970112187 | 2026-09-18 |
| 170.28.137.0/24 v4 | no ROA | 41 | 1763970112187 | 2026-09-18 |
| 170.28.139.0/24 v4 | no ROA | 41 | 1763970112187 | 2026-09-18 |
| 170.28.140.0/24 v4 | no ROA | 41 | 1763970112187 | 2026-09-18 |
| 170.28.142.0/24 v4 | no ROA | 41 | 1763970112187 | 2026-09-18 |