$ query “AS13649” --type=asn → 1 result(s)

AS13649 · ASN-FLEXENTIAL

Flexential Colorado Corp.

AS13649 is operated by Flexential Colorado Corp. and serves as a major transit provider, registered in the United States since 1999. The system announces a solid 519 424 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Canada and the Netherlands, and smaller footprints in 5 additional countries. This AS has recently updated its prefix announcements.

  • 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
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 22, 1999
Last Changed
October 01, 2026
Last Seen
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
568 / 159
IPv6 Prefixes (raw / aggregated)
22 / 4
IPv4 Addresses
519 424
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 United States (513 600 IPs), 🇨🇦 Canada (4 144 IPs), 🇳🇱 Netherlands (1 040 IPs) and 5 more
Prefix Changed
October 21, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 519 424 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
2 networks exchanging traffic without transit
Downstream Customers
165 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
175 unique BGP neighbors
Reach
165 networks in customer cone

Upstream Providers (4)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS13335 — CLOUDFLARENET
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS7922 — COMCAST-7922

Prefix Lists

IPv4 Prefixes (568 total)

  • 128.136.0.0/16 (65 536 addresses (/16 prefix))
  • 50.28.192.0/18 (16 384 addresses (/18 prefix))
  • 66.129.64.0/18 (16 384 addresses (/18 prefix))
  • 72.15.192.0/18 (16 384 addresses (/18 prefix))
  • 74.63.128.0/18 (16 384 addresses (/18 prefix))
  • 209.235.192.0/18 (16 384 addresses (/18 prefix))
  • 216.26.128.0/18 (16 384 addresses (/18 prefix))
  • 66.18.96.0/19 (8 192 addresses (/19 prefix))
  • 66.114.96.0/19 (8 192 addresses (/19 prefix))
  • 66.133.96.0/19 (8 192 addresses (/19 prefix))
  • 68.142.128.0/19 (8 192 addresses (/19 prefix))
  • 69.2.192.0/19 (8 192 addresses (/19 prefix))
  • 72.35.64.0/19 (8 192 addresses (/19 prefix))
  • 74.84.192.0/19 (8 192 addresses (/19 prefix))
  • 148.66.192.0/19 (8 192 addresses (/19 prefix))
  • 206.71.64.0/19 (8 192 addresses (/19 prefix))
  • 206.196.0.0/19 (8 192 addresses (/19 prefix))
  • 207.189.96.0/19 (8 192 addresses (/19 prefix))
  • 208.115.32.0/19 (8 192 addresses (/19 prefix))
  • 209.34.224.0/19 (8 192 addresses (/19 prefix))
  • 209.170.192.0/19 (8 192 addresses (/19 prefix))
  • 216.24.128.0/19 (8 192 addresses (/19 prefix))
  • 216.38.192.0/19 (8 192 addresses (/19 prefix))
  • 216.46.160.0/19 (8 192 addresses (/19 prefix))
  • 216.58.128.0/19 (8 192 addresses (/19 prefix))
  • 216.87.64.0/19 (8 192 addresses (/19 prefix))
  • 216.134.192.0/19 (8 192 addresses (/19 prefix))
  • 216.150.192.0/19 (8 192 addresses (/19 prefix))
  • 216.241.160.0/19 (8 192 addresses (/19 prefix))
  • 64.58.224.0/20 (4 096 addresses (/20 prefix))
  • 64.78.144.0/20 (4 096 addresses (/20 prefix))
  • 64.78.176.0/20 (4 096 addresses (/20 prefix))
  • 64.78.224.0/20 (4 096 addresses (/20 prefix))
  • 64.90.192.0/20 (4 096 addresses (/20 prefix))
  • 64.239.240.0/20 (4 096 addresses (/20 prefix))
  • 65.254.208.0/20 (4 096 addresses (/20 prefix))
  • 66.51.0.0/20 (4 096 addresses (/20 prefix))
  • 66.97.128.0/20 (4 096 addresses (/20 prefix))
  • 66.205.176.0/20 (4 096 addresses (/20 prefix))
  • 67.208.128.0/20 (4 096 addresses (/20 prefix))
  • 67.216.160.0/20 (4 096 addresses (/20 prefix))
  • 68.64.32.0/20 (4 096 addresses (/20 prefix))
  • 68.71.96.0/20 (4 096 addresses (/20 prefix))
  • 68.142.176.0/20 (4 096 addresses (/20 prefix))
  • 72.250.80.0/20 (4 096 addresses (/20 prefix))
  • 72.250.112.0/20 (4 096 addresses (/20 prefix))
  • 74.85.128.0/20 (4 096 addresses (/20 prefix))
  • 74.126.80.0/20 (4 096 addresses (/20 prefix))
  • 96.45.112.0/20 (4 096 addresses (/20 prefix))
  • 96.46.240.0/20 (4 096 addresses (/20 prefix))

IPv6 Prefixes (22 total)

  • 2600:3000::/29
  • 2607:f758::/32
  • 2607:fdf8::/32
  • 2602:f788::/38