$ query “AS2686” --type=asn → 1 result(s)

AS2686 · ATGS-MMD-AS

AT&T Enterprises LLC

AS2686 belongs to AT&T Enterprises LLC and is a major transit provider, established in the United States in 1993. The system announces an impressive 1.4 million IPv4 addresses, including a /15, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Germany and the United Kingdom, and smaller footprints in 41 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 02, 1993
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
175 / 72
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
1 375 744
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (513 536 IPs), 🇩🇪 Germany (280 944 IPs), 🇬🇧 United Kingdom (275 456 IPs) and 41 more
Prefix Changed
April 26, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
195 networks exchanging traffic without transit
Downstream Customers
83 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
290 unique BGP neighbors
Reach
139 networks in customer cone

Upstream Providers (5)

  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS3741 — NTT-DATA-INC
  • AS5617 — TPNET
  • AS6895 — ESPANIX-RS-AS (Tier-1 transit)
  • AS1121 — VIX-RS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (175 total)

  • 32.112.0.0/15 (131 072 addresses (/15 prefix))
  • 152.158.0.0/16 (65 536 addresses (/16 prefix))
  • 194.194.0.0/16 (65 536 addresses (/16 prefix))
  • 195.212.0.0/16 (65 536 addresses (/16 prefix))
  • 195.183.0.0/16 (65 536 addresses (/16 prefix))
  • 129.36.0.0/16 (65 536 addresses (/16 prefix))
  • 32.58.0.0/16 (65 536 addresses (/16 prefix))
  • 194.10.0.0/16 (65 536 addresses (/16 prefix))
  • 32.105.0.0/16 (65 536 addresses (/16 prefix))
  • 32.106.0.0/16 (65 536 addresses (/16 prefix))
  • 139.92.0.0/16 (65 536 addresses (/16 prefix))
  • 213.62.0.0/16 (65 536 addresses (/16 prefix))
  • 32.116.0.0/16 (65 536 addresses (/16 prefix))
  • 195.79.0.0/16 (65 536 addresses (/16 prefix))
  • 195.75.0.0/16 (65 536 addresses (/16 prefix))
  • 194.196.0.0/16 (65 536 addresses (/16 prefix))
  • 62.200.0.0/16 (65 536 addresses (/16 prefix))
  • 32.239.0.0/16 (65 536 addresses (/16 prefix))
  • 32.42.0.0/17 (32 768 addresses (/17 prefix))
  • 195.33.64.0/18 (16 384 addresses (/18 prefix))
  • 195.33.128.0/18 (16 384 addresses (/18 prefix))
  • 32.107.0.0/18 (16 384 addresses (/18 prefix))
  • 195.33.0.0/19 (8 192 addresses (/19 prefix))
  • 194.242.64.0/19 (8 192 addresses (/19 prefix))
  • 212.1.160.0/19 (8 192 addresses (/19 prefix))
  • 195.33.48.0/20 (4 096 addresses (/20 prefix))
  • 192.56.200.0/21 (2 048 addresses (/21 prefix))
  • 195.33.32.0/22 (1 024 addresses (/22 prefix))
  • 32.64.160.0/22 (1 024 addresses (/22 prefix))
  • 192.76.220.0/22 (1 024 addresses (/22 prefix))
  • 192.56.192.0/23 (512 addresses (/23 prefix))
  • 192.158.54.0/23 (512 addresses (/23 prefix))
  • 192.56.168.0/23 (512 addresses (/23 prefix))
  • 15.24.76.0/23 (512 addresses (/23 prefix))
  • 15.24.96.0/23 (512 addresses (/23 prefix))
  • 192.56.184.0/23 (512 addresses (/23 prefix))
  • 192.48.2.0/23 (512 addresses (/23 prefix))
  • 192.48.16.0/23 (512 addresses (/23 prefix))
  • 194.161.200.0/23 (512 addresses (/23 prefix))
  • 192.56.224.0/23 (512 addresses (/23 prefix))
  • 194.105.112.0/23 (512 addresses (/23 prefix))
  • 192.56.228.0/23 (512 addresses (/23 prefix))
  • 192.56.148.0/23 (512 addresses (/23 prefix))
  • 192.158.34.0/23 (512 addresses (/23 prefix))
  • 192.56.240.0/23 (512 addresses (/23 prefix))
  • 192.56.238.0/23 (512 addresses (/23 prefix))
  • 192.48.5.0/24 (256 addresses (/24 prefix))
  • 206.193.170.0/24 (256 addresses (/24 prefix))
  • 192.76.195.0/24 (256 addresses (/24 prefix))
  • 192.48.24.0/24 (256 addresses (/24 prefix))
  • and 22 more

IPv6 Prefixes (1 total)

  • 2001:1be0::/32