$ query “AS5578” --type=asn → 1 result(s)
AS5578 — AS-BENESTRA
SWAN a.s.
AS5578 is a major transit provider run by SWAN a.s., based in Slovakia since 2002. The network announces a solid 323 072 IPv4 addresses, including a /16. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #2 in Slovakia — Top 10 by reach within country
Basic Information
- Country
- 🇸🇰 Slovakia
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 18, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 54 / 36
- IPv6 Prefixes (raw / aggregated)
- 5 / 5
- IPv4 Addresses
- 323 072
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇸🇰 SK (67 IPs), 🇸🇷 SR (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 7 flagged IPs out of 323 072 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 104 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 55 downstream autonomous systems buying transit
- Degree
- 167 unique BGP neighbors (providers + customers + peers)
- Reach
- 148 — customer cone size measuring network influence
- Degree Rank
- #831
- Reach Rank
- #905
- Country Rank
- #2
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (54 total)
- 85.248.0.0/16 (65 536 addresses)
- 195.168.0.0/16 (65 536 addresses)
- 62.168.64.0/18 (16 384 addresses)
- 62.197.192.0/18 (16 384 addresses)
- 83.168.128.0/18 (16 384 addresses)
- 84.245.64.0/18 (16 384 addresses)
- 213.215.64.0/18 (16 384 addresses)
- 62.65.160.0/19 (8 192 addresses)
- 62.152.224.0/19 (8 192 addresses)
- 195.12.128.0/19 (8 192 addresses)
- 195.46.64.0/19 (8 192 addresses)
- 195.72.0.0/19 (8 192 addresses)
- 195.98.0.0/19 (8 192 addresses)
- 212.26.160.0/19 (8 192 addresses)
- 212.81.0.0/19 (8 192 addresses)
- 217.75.64.0/19 (8 192 addresses)
- 80.250.240.0/20 (4 096 addresses)
- 81.88.128.0/20 (4 096 addresses)
- 82.119.224.0/20 (4 096 addresses)
- 217.67.16.0/20 (4 096 addresses)
- 217.118.96.0/20 (4 096 addresses)
- 217.172.144.0/20 (4 096 addresses)
- 94.124.144.0/21 (2 048 addresses)
- 194.1.224.0/21 (2 048 addresses)
- 185.130.220.0/22 (1 024 addresses)
- 185.220.120.0/22 (1 024 addresses)
- 193.58.192.0/22 (1 024 addresses)
- 194.1.172.0/22 (1 024 addresses)
- 185.161.174.0/23 (512 addresses)
- 193.58.196.0/23 (512 addresses)
- 193.108.132.0/23 (512 addresses)
- 193.110.186.0/23 (512 addresses)
- 195.62.16.0/23 (512 addresses)
- 195.245.78.0/23 (512 addresses)
- 194.156.69.0/24 (256 addresses)
- 195.98.134.0/24 (256 addresses)
IPv6 Prefixes (5 total)
- 2a06:dbc0::/29
- 2001:1ba0::/32
- 2a00:1298::/32
- 2a02:770::/32
- 2a07:c387::/32