$ query “AS13576” --type=asn → 1 result(s)

AS13576 · SDNW-13576

SDN Communications

AS13576 is owned by SDN Communications and is a mid-size transit provider, established in the United States in 1999. The system announces a solid 106 752 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Ecuador and Australia. Prefix announcements for this AS were recently updated.

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

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 08, 1999
Last Changed
March 04, 2026
Last Seen
July 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
68 / 20
IPv6 Prefixes (raw / aggregated)
3 / 3
IPv4 Addresses
106 752
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (161 808 IPs), 🇪🇨 Ecuador (1 088 IPs), 🇦🇺 Australia (1 024 IPs)
Prefix Changed
July 25, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 106 752 total (0.00%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
4 networks exchanging traffic without transit
Downstream Customers
48 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
60 unique BGP neighbors
Reach
259 networks in customer cone

Upstream Providers (7)

  • AS6939 — HURRICANE
  • AS174 — COGENT (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS64289 — MACARNE

Prefix Lists

IPv4 Prefixes (68 total)

  • 208.53.192.0/18 (16 384 addresses (/18 prefix))
  • 66.115.192.0/18 (16 384 addresses (/18 prefix))
  • 216.249.192.0/18 (16 384 addresses (/18 prefix))
  • 216.106.192.0/18 (16 384 addresses (/18 prefix))
  • 64.33.224.0/19 (8 192 addresses (/19 prefix))
  • 66.128.160.0/19 (8 192 addresses (/19 prefix))
  • 66.231.0.0/19 (8 192 addresses (/19 prefix))
  • 68.168.224.0/20 (4 096 addresses (/20 prefix))
  • 209.151.176.0/20 (4 096 addresses (/20 prefix))
  • 206.85.176.0/21 (2 048 addresses (/21 prefix))
  • 199.96.68.0/22 (1 024 addresses (/22 prefix))
  • 38.191.156.0/22 (1 024 addresses (/22 prefix))
  • 142.202.132.0/22 (1 024 addresses (/22 prefix))
  • 104.167.204.0/22 (1 024 addresses (/22 prefix))
  • 162.120.74.0/23 (512 addresses (/23 prefix))
  • 170.199.218.0/23 (512 addresses (/23 prefix))
  • 170.199.220.0/23 (512 addresses (/23 prefix))
  • 204.80.157.0/24 (256 addresses (/24 prefix))
  • 155.103.92.0/24 (256 addresses (/24 prefix))
  • 76.76.12.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (3 total)

  • 2607:fc00::/32
  • 2602:ff5b::/36
  • 2605:4b80:f000::/36