AS13979

Summary

Country	United States
Organization	AT&T Enterprises, LLC
Domain	att.net
Number of IPv4	69,888
Number of IPv6	0
AS Type	ISP
Registry	ARIN
Allocated	September 28, 1999 (about 26 years ago)
Updated	March 18, 2025 (about 7 months ago)

IP Ranges

AS13979 announces 74 IPv4 ranges and 0 IPv6 range.

That's a total of 69,888 IPv4 address and 0 IPv6 address.

Prefix	Organization	Size	Registry	Status
15.4.64.0/18	Hp Inc.	16,384	ARIN	ALLOCATION
15.12.64.0/18	Hp Inc.	16,384	ARIN	ALLOCATION
15.98.64.0/18	Hp Inc.	16,384	ARIN	ALLOCATION
55.22.50.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.51.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.52.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.53.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.54.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.55.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.56.0/21	Headquarters, Usaisc	2,048	ARIN	REALLOCATION
55.22.57.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.58.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.59.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.60.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.61.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.62.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.64.0/22	Headquarters, Usaisc	1,024	ARIN	REALLOCATION
55.22.65.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.66.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.67.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.70.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.72.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.74.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.76.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.78.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.80.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.82.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.84.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.86.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.88.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.90.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.92.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.94.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.96.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.98.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.100.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.112.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.116.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.118.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.120.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.122.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.126.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.130.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.134.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.136.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.140.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.142.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.144.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.146.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.148.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.150.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.154.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.157.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.158.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.164.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.168.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.170.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.172.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.174.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.176.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.182.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.186.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.188.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.194.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.196.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.198.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.200.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.202.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.206.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.208.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.212.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.214.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
55.22.226.0/24	Headquarters, Usaisc	256	ARIN	REALLOCATION
198.22.127.0/24	USDA	256	ARIN	ALLOCATION

Peers

AS13979 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

AS13979 connects to the global Internet via at least 2 upstream providers. In this setup, AS13979 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS13979 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS13979's role in extending Internet access beyond its own infrastructure.