$ query “AS2687” --type=asn → 1 result(s)

AS2687 · ATGS-MMD-AS

AT&T Enterprises LLC

AS2687 is run by AT&T Enterprises LLC and is a mid-size transit provider, based in the United States since 1993. The system announces a solid 733 952 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Japan, with additional presence in the United States and Sweden, and smaller footprints in 15 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
Mid-size 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)
170 / 94
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
733 952
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇯🇵 Japan (546 496 IPs), 🇺🇸 United States (318 976 IPs), 🇸🇪 Sweden (131 072 IPs) and 15 more
Prefix Changed
April 27, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
101 networks exchanging traffic without transit
Downstream Customers
57 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
167 unique BGP neighbors
Reach
59 networks in customer cone

Upstream Providers (7)

  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS4775 — GLOBE-TELECOM-AS
  • AS9498 — BBIL-AP
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)
  • AS2686 — ATGS-MMD-AS
  • AS7473 — SINGTEL-AS-AP
  • AS10133 — TPIX-AS-TW (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (170 total)

  • 32.103.0.0/16 (65 536 addresses (/16 prefix))
  • 166.100.0.0/16 (65 536 addresses (/16 prefix))
  • 141.81.0.0/16 (65 536 addresses (/16 prefix))
  • 202.135.0.0/16 (65 536 addresses (/16 prefix))
  • 32.25.0.0/16 (65 536 addresses (/16 prefix))
  • 32.117.0.0/16 (65 536 addresses (/16 prefix))
  • 32.114.0.0/16 (65 536 addresses (/16 prefix))
  • 32.42.128.0/17 (32 768 addresses (/17 prefix))
  • 203.163.0.0/17 (32 768 addresses (/17 prefix))
  • 210.7.128.0/17 (32 768 addresses (/17 prefix))
  • 202.2.128.0/17 (32 768 addresses (/17 prefix))
  • 32.60.0.0/18 (16 384 addresses (/18 prefix))
  • 32.118.0.0/18 (16 384 addresses (/18 prefix))
  • 122.248.128.0/18 (16 384 addresses (/18 prefix))
  • 202.74.96.0/19 (8 192 addresses (/19 prefix))
  • 203.194.64.0/19 (8 192 addresses (/19 prefix))
  • 203.171.128.0/19 (8 192 addresses (/19 prefix))
  • 210.7.96.0/19 (8 192 addresses (/19 prefix))
  • 203.196.96.0/19 (8 192 addresses (/19 prefix))
  • 165.87.64.0/20 (4 096 addresses (/20 prefix))
  • 203.92.208.0/20 (4 096 addresses (/20 prefix))
  • 210.88.144.0/20 (4 096 addresses (/20 prefix))
  • 210.89.112.0/20 (4 096 addresses (/20 prefix))
  • 32.118.240.0/20 (4 096 addresses (/20 prefix))
  • 210.88.0.0/20 (4 096 addresses (/20 prefix))
  • 210.89.104.0/21 (2 048 addresses (/21 prefix))
  • 192.56.128.0/22 (1 024 addresses (/22 prefix))
  • 15.32.116.0/22 (1 024 addresses (/22 prefix))
  • 15.44.68.0/22 (1 024 addresses (/22 prefix))
  • 32.64.164.0/22 (1 024 addresses (/22 prefix))
  • 15.32.108.0/22 (1 024 addresses (/22 prefix))
  • 192.56.136.0/22 (1 024 addresses (/22 prefix))
  • 15.44.88.0/22 (1 024 addresses (/22 prefix))
  • 202.69.216.0/23 (512 addresses (/23 prefix))
  • 210.89.100.0/23 (512 addresses (/23 prefix))
  • 194.105.114.0/23 (512 addresses (/23 prefix))
  • 192.158.36.0/23 (512 addresses (/23 prefix))
  • 15.32.102.0/23 (512 addresses (/23 prefix))
  • 103.211.116.0/23 (512 addresses (/23 prefix))
  • 15.40.84.0/23 (512 addresses (/23 prefix))
  • 137.51.246.0/23 (512 addresses (/23 prefix))
  • 15.32.76.0/23 (512 addresses (/23 prefix))
  • 192.56.96.0/23 (512 addresses (/23 prefix))
  • 15.44.92.0/23 (512 addresses (/23 prefix))
  • 15.36.126.0/23 (512 addresses (/23 prefix))
  • 192.56.126.0/23 (512 addresses (/23 prefix))
  • 15.32.72.0/23 (512 addresses (/23 prefix))
  • 192.56.122.0/23 (512 addresses (/23 prefix))
  • 192.56.72.0/23 (512 addresses (/23 prefix))
  • 192.56.116.0/23 (512 addresses (/23 prefix))
  • and 44 more

IPv6 Prefixes (2 total)

  • 2001:d80::/32
  • 2620:18d:d1::/48