$ query “AS39392” --type=asn → 1 result(s)
AS39392 — SUPERNETWORK
SH.cz s.r.o.
AS39392 is a major transit provider run by SH.cz s.r.o., based in Czechia since 2006. The network announces a respectable 31 744 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #97 by Reach — Top 100 by customer cone size
- #1 in Czechia — Top 10 by reach within country
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Hosting
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 14, 2006
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 9
- IPv6 Prefixes (raw / aggregated)
- 4 / 3
- IPv4 Addresses
- 31 744
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇿 CZ (17 IPs), 🇸🇰 SK (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 31 744 total (0.01%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 28 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 93 downstream autonomous systems buying transit
- Degree
- 129 unique BGP neighbors (providers + customers + peers)
- Reach
- 36 366 — customer cone size measuring network influence
- Degree Rank
- #1 162
- Reach Rank
- #97
- Country Rank
- #1
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (12 total)
- 46.234.96.0/19 (8 192 addresses)
- 88.86.96.0/19 (8 192 addresses)
- 95.168.192.0/19 (8 192 addresses)
- 37.235.96.0/20 (4 096 addresses)
- 185.75.232.0/22 (1 024 addresses)
- 185.247.28.0/22 (1 024 addresses)
- 185.203.84.0/23 (512 addresses)
- 185.80.30.0/24 (256 addresses)
- 195.190.140.0/24 (256 addresses)
IPv6 Prefixes (4 total)
- 2a0d:b880::/29
- 2a01:28::/32
- 2a10:3900::/48