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

AS13576 · SDNW-13576

SDN Communications

AS13576 is operated by SDN Communications and serves as a mid-size transit provider, registered in the United States since 1999. The system announces a solid 106 752 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

  • 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
October 21, 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 (106 752 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
3 networks exchanging traffic without transit
Downstream Customers
49 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
60 unique BGP neighbors
Reach
52 networks in customer cone

Upstream Providers (7)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (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)

  • 66.115.192.0/18 (16 384 addresses (/18 prefix))
  • 208.53.192.0/18 (16 384 addresses (/18 prefix))
  • 216.106.192.0/18 (16 384 addresses (/18 prefix))
  • 216.249.192.0/18 (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))
  • 38.191.156.0/22 (1 024 addresses (/22 prefix))
  • 104.167.204.0/22 (1 024 addresses (/22 prefix))
  • 142.202.132.0/22 (1 024 addresses (/22 prefix))
  • 199.96.68.0/22 (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))
  • 76.76.12.0/24 (256 addresses (/24 prefix))
  • 155.103.92.0/24 (256 addresses (/24 prefix))
  • 204.80.157.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (3 total)

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