$ query “AS35661” --type=asn → 1 result(s)

AS35661 · VIRTUASYS-EU

VIRTUA SYSTEMS SAS

AS35661 belongs to VIRTUA SYSTEMS SAS and is a mid-size transit provider, based in France since 2019. The system announces 6 656 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in France, with additional presence in the United States and Germany, and smaller footprints in 4 additional countries.

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

Basic Information

Country
🇫🇷 France
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 21, 2019
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
26 / 11
IPv6 Prefixes (raw / aggregated)
10 / 3
IPv4 Addresses
6 656
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇫🇷 France (3 584 IPs), 🇺🇸 United States (2 304 IPs), 🇩🇪 Germany (1 536 IPs) and 4 more
Prefix Changed
April 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
71 networks exchanging traffic without transit
Downstream Customers
41 downstreams buying transit
Unclassified
52 unclassified BGP neighbors
Degree
170 unique BGP neighbors
Reach
42 networks in customer cone

Upstream Providers (6)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS35133 — ERANIUM
  • AS44530 — HOPUS (Tier-1 transit)
  • AS31561 — NINE-IX (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (26 total)

  • 45.157.116.0/22 (1 024 addresses (/22 prefix))
  • 84.75.12.0/22 (1 024 addresses (/22 prefix))
  • 84.75.20.0/22 (1 024 addresses (/22 prefix))
  • 185.10.16.0/22 (1 024 addresses (/22 prefix))
  • 185.154.152.0/22 (1 024 addresses (/22 prefix))
  • 87.76.165.0/24 (256 addresses (/24 prefix))
  • 87.76.167.0/24 (256 addresses (/24 prefix))
  • 185.234.100.0/24 (256 addresses (/24 prefix))
  • 188.214.24.0/24 (256 addresses (/24 prefix))
  • 194.147.105.0/24 (256 addresses (/24 prefix))
  • 194.147.109.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (10 total)

  • 2a07:8dc0::/31
  • 2a0d:e680::/32
  • 2a06:de01:100::/44