$ query “AS40065” --type=asn → 1 result(s)

AS40065 · CNSERVERS

CNSERVERS LLC

AS40065 is run by CNSERVERS LLC and is a mid-size transit provider, established in the United States in 2011. The system announces a solid 525 568 IPv4 addresses, including a /15. Its primary geographic footprint is in the United States, with additional presence in Singapore and Hong Kong SAR China, and smaller footprints in 7 additional countries. This AS's prefix announcements have been recently modified. No IPv6 support — it's 2026, just saying.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

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
April 11, 2011
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
602 / 139
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
525 568
Largest IPv4 Prefix
/15 (131 072 addresses)
Geolocated Countries
🇺🇸 United States (920 320 IPs), 🇸🇬 Singapore (14 080 IPs), 🇭🇰 Hong Kong SAR China (13 568 IPs) and 7 more
Prefix Changed
May 01, 2026

Reputation

Reputation
Good — 28 flagged IPs out of 525 568 total (0.01%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
33 networks exchanging traffic without transit
Downstream Customers
8 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
48 unique BGP neighbors
Reach
2 133 networks in customer cone

Upstream Providers (5)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS4837 — CHINA169-BACKBONE
  • AS4809 — CHINATELECOM-CORE-WAN-CN2
  • AS17476 — CHL-AS-AP

Prefix Lists

IPv4 Prefixes (602 total)

  • 23.224.0.0/15 (131 072 addresses (/15 prefix))
  • 172.247.0.0/16 (65 536 addresses (/16 prefix))
  • 178.98.0.0/16 (65 536 addresses (/16 prefix))
  • 156.251.128.0/17 (32 768 addresses (/17 prefix))
  • 162.209.128.0/17 (32 768 addresses (/17 prefix))
  • 178.107.128.0/17 (32 768 addresses (/17 prefix))
  • 192.151.192.0/18 (16 384 addresses (/18 prefix))
  • 154.198.192.0/18 (16 384 addresses (/18 prefix))
  • 107.163.96.0/19 (8 192 addresses (/19 prefix))
  • 45.205.32.0/19 (8 192 addresses (/19 prefix))
  • 154.202.32.0/19 (8 192 addresses (/19 prefix))
  • 198.16.32.0/19 (8 192 addresses (/19 prefix))
  • 192.155.176.0/20 (4 096 addresses (/20 prefix))
  • 154.55.64.0/20 (4 096 addresses (/20 prefix))
  • 192.161.80.0/20 (4 096 addresses (/20 prefix))
  • 156.243.16.0/20 (4 096 addresses (/20 prefix))
  • 123.136.80.0/20 (4 096 addresses (/20 prefix))
  • 102.134.40.0/21 (2 048 addresses (/21 prefix))
  • 162.218.48.0/21 (2 048 addresses (/21 prefix))
  • 154.214.8.0/21 (2 048 addresses (/21 prefix))
  • 156.235.8.0/21 (2 048 addresses (/21 prefix))
  • 23.226.176.0/21 (2 048 addresses (/21 prefix))
  • 154.88.24.0/21 (2 048 addresses (/21 prefix))
  • 156.243.8.0/21 (2 048 addresses (/21 prefix))
  • 207.57.152.0/21 (2 048 addresses (/21 prefix))
  • 45.205.8.0/21 (2 048 addresses (/21 prefix))
  • 156.229.8.0/21 (2 048 addresses (/21 prefix))
  • 45.120.208.0/22 (1 024 addresses (/22 prefix))
  • 154.88.20.0/22 (1 024 addresses (/22 prefix))
  • 156.235.4.0/22 (1 024 addresses (/22 prefix))
  • 156.243.4.0/22 (1 024 addresses (/22 prefix))
  • 156.227.16.0/22 (1 024 addresses (/22 prefix))
  • 45.87.84.0/22 (1 024 addresses (/22 prefix))
  • 45.80.72.0/22 (1 024 addresses (/22 prefix))
  • 162.212.252.0/22 (1 024 addresses (/22 prefix))
  • 154.214.4.0/22 (1 024 addresses (/22 prefix))
  • 154.208.8.0/22 (1 024 addresses (/22 prefix))
  • 154.208.4.0/22 (1 024 addresses (/22 prefix))
  • 68.168.24.0/22 (1 024 addresses (/22 prefix))
  • 162.252.8.0/22 (1 024 addresses (/22 prefix))
  • 37.77.84.0/22 (1 024 addresses (/22 prefix))
  • 198.12.12.0/22 (1 024 addresses (/22 prefix))
  • 103.230.136.0/22 (1 024 addresses (/22 prefix))
  • 154.88.12.0/22 (1 024 addresses (/22 prefix))
  • 199.83.48.0/22 (1 024 addresses (/22 prefix))
  • 154.88.4.0/22 (1 024 addresses (/22 prefix))
  • 154.84.8.0/22 (1 024 addresses (/22 prefix))
  • 103.61.28.0/22 (1 024 addresses (/22 prefix))
  • 154.84.4.0/22 (1 024 addresses (/22 prefix))
  • 206.119.40.0/22 (1 024 addresses (/22 prefix))
  • and 89 more