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

AS2686 — ATGS-MMD-AS

AT&T Enterprises LLC

AS2686 is a major transit provider registered to AT&T Enterprises LLC, based in the United States since 1993. The network announces an impressive 1.4 million IPv4 addresses, including a /15. Supports IPv6.

  • 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
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
172 / 69
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
1 374 976
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 US (22 IPs), 🇩🇪 DE (430 IPs), 🇬🇧 GB (610 IPs), 🇦🇹 AT, 🇳🇱 NL, 🇫🇷 FR, 🇦🇺 AU, 🇧🇪 BE, 🇨🇭 CH, 🇮🇹 IT, 🇪🇸 ES, 🇿🇦 ZA, 🇮🇱 IL, 🇩🇰 DK and 30 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 1 374 976 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstream autonomous systems providing transit
Peers
195 autonomous systems exchanging traffic without transit fees
Downstream Customers
85 downstream autonomous systems buying transit
Degree
289 unique BGP neighbors (providers + customers + peers)
Reach
139 — customer cone size measuring network influence
Degree Rank
#452
Reach Rank
#929

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 (172 total)

  • 32.112.0.0/15 (131 072 addresses)
  • 32.58.0.0/16 (65 536 addresses)
  • 32.105.0.0/16 (65 536 addresses)
  • 32.106.0.0/16 (65 536 addresses)
  • 32.116.0.0/16 (65 536 addresses)
  • 32.239.0.0/16 (65 536 addresses)
  • 62.200.0.0/16 (65 536 addresses)
  • 129.36.0.0/16 (65 536 addresses)
  • 139.92.0.0/16 (65 536 addresses)
  • 152.158.0.0/16 (65 536 addresses)
  • 194.10.0.0/16 (65 536 addresses)
  • 194.194.0.0/16 (65 536 addresses)
  • 194.196.0.0/16 (65 536 addresses)
  • 195.75.0.0/16 (65 536 addresses)
  • 195.79.0.0/16 (65 536 addresses)
  • 195.183.0.0/16 (65 536 addresses)
  • 195.212.0.0/16 (65 536 addresses)
  • 213.62.0.0/16 (65 536 addresses)
  • 32.42.0.0/17 (32 768 addresses)
  • 32.107.0.0/18 (16 384 addresses)
  • 195.33.64.0/18 (16 384 addresses)
  • 195.33.128.0/18 (16 384 addresses)
  • 194.242.64.0/19 (8 192 addresses)
  • 195.33.0.0/19 (8 192 addresses)
  • 212.1.160.0/19 (8 192 addresses)
  • 195.33.48.0/20 (4 096 addresses)
  • 192.56.200.0/21 (2 048 addresses)
  • 32.64.160.0/22 (1 024 addresses)
  • 192.76.220.0/22 (1 024 addresses)
  • 195.33.32.0/22 (1 024 addresses)
  • 15.24.76.0/23 (512 addresses)
  • 15.24.96.0/23 (512 addresses)
  • 192.48.2.0/23 (512 addresses)
  • 192.48.16.0/23 (512 addresses)
  • 192.56.148.0/23 (512 addresses)
  • 192.56.168.0/23 (512 addresses)
  • 192.56.184.0/23 (512 addresses)
  • 192.56.192.0/23 (512 addresses)
  • 192.56.224.0/23 (512 addresses)
  • 192.56.228.0/23 (512 addresses)
  • 192.56.238.0/23 (512 addresses)
  • 192.56.240.0/23 (512 addresses)
  • 192.158.34.0/23 (512 addresses)
  • 192.158.54.0/23 (512 addresses)
  • 194.105.112.0/23 (512 addresses)
  • 194.161.200.0/23 (512 addresses)
  • 15.20.98.0/24 (256 addresses)
  • 15.24.137.0/24 (256 addresses)
  • 15.24.138.0/24 (256 addresses)
  • 91.212.78.0/24 (256 addresses)

IPv6 Prefixes (1 total)

  • 2001:1be0::/32