AS12187

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 26 years ago)
Updated	March 02, 2012 (about 13 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

There are 1 peer for AS12187:

Upstreams

There are 4 upstreams for AS12187:

Downstreams

There is no downstream for AS12187.