$ query “AS35661” --type=asn → 1 result(s)
AS35661 — VIRTUASYS-EU
VIRTUA SYSTEMS SAS
AS35661 is a mid-size transit provider operated by VIRTUA SYSTEMS SAS, established in France in 2019. The network announces 4 096 IPv4 addresses. Supports IPv6.
- 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
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 23 / 7
- IPv6 Prefixes (raw / aggregated)
- 9 / 2
- IPv4 Addresses
- 4 096
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /31
- Geolocated Countries
- 🇫🇷 FR (5 IPs), 🇩🇪 DE (2 IPs), 🇦🇺 AU (2 IPs), 🇳🇱 NL, 🇪🇸 ES, 🇵🇱 PL
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 4 096 total (0.00%)
Connectivity Summary
- Upstream Providers
- 6 upstream autonomous systems providing transit
- Peers
- 66 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 38 downstream autonomous systems buying transit
- Degree
- 149 unique BGP neighbors (providers + customers + peers)
- Reach
- 40 — customer cone size measuring network influence
- Degree Rank
- #969
- Reach Rank
- #1 650
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (23 total)
- 45.157.116.0/22 (1 024 addresses)
- 185.10.16.0/22 (1 024 addresses)
- 185.154.152.0/22 (1 024 addresses)
- 185.234.100.0/24 (256 addresses)
- 188.214.24.0/24 (256 addresses)
- 194.147.105.0/24 (256 addresses)
- 194.147.109.0/24 (256 addresses)
IPv6 Prefixes (9 total)
- 2a07:8dc0::/31
- 2a0d:e680::/32