$ query “AS20811” --type=asn → 1 result(s)
AS20811 · BRENNERCOM-AS
Retelit Digital Services S.p.A.
AS20811 is operated by Retelit Digital Services S.p.A. and serves as a mid-size transit provider, registered in Italy since 2002. The system announces a respectable 68 096 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Italy, with additional presence in Austria. This AS's prefix announcements have been recently modified.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇮🇹 Italy
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 02, 2002
- Last Changed
- March 04, 2026
- Last Seen
- July 27, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 13 / 12
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 68 096
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇮🇹 Italy (116 992 IPs), 🇦🇹 Austria (10 640 IPs)
- Prefix Changed
- July 28, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Peers
- 235 networks exchanging traffic without transit
- Downstream Customers
- 13 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 251 unique BGP neighbors
- Reach
- 14 networks in customer cone
Upstream Providers (1)
- AS28716 — RETELIT-AS
Prefix Lists
IPv4 Prefixes (13 total)
- 37.186.128.0/18 (16 384 addresses (/18 prefix))
- 46.234.224.0/19 (8 192 addresses (/19 prefix))
- 84.18.128.0/19 (8 192 addresses (/19 prefix))
- 89.190.160.0/19 (8 192 addresses (/19 prefix))
- 95.171.32.0/19 (8 192 addresses (/19 prefix))
- 217.199.0.0/19 (8 192 addresses (/19 prefix))
- 93.89.48.0/20 (4 096 addresses (/20 prefix))
- 77.74.112.0/21 (2 048 addresses (/21 prefix))
- 109.69.248.0/21 (2 048 addresses (/21 prefix))
- 185.6.192.0/22 (1 024 addresses (/22 prefix))
- 185.111.144.0/22 (1 024 addresses (/22 prefix))
- 147.189.208.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (2 total)
- 2a02:490::/29
- 2a02:54c0::/29