$ query “AS29208” --type=asn → 1 result(s)

AS29208 · QUANTCOM-AS

Quantcom a.s.

AS29208 is owned by Quantcom a.s. and is a major transit provider, established in Czechia in 2003. The system announces a solid 265 984 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Czechia, with additional presence in Poland and Germany, and smaller footprints in 4 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #6 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
July 01, 2003
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
36 / 33
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
265 984
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇿 Czechia (478 720 IPs), 🇵🇱 Poland (768 IPs), 🇩🇪 Germany (528 IPs) and 4 more
Prefix Changed
April 03, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 265 984 total (0.00%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
120 networks exchanging traffic without transit
Downstream Customers
59 downstreams buying transit
Unclassified
8 unclassified BGP neighbors
Degree
190 unique BGP neighbors
Reach
116 networks in customer cone

Upstream Providers (3)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (36 total)

  • 88.146.0.0/17 (32 768 addresses (/17 prefix))
  • 83.148.0.0/18 (16 384 addresses (/18 prefix))
  • 95.80.192.0/18 (16 384 addresses (/18 prefix))
  • 89.235.0.0/18 (16 384 addresses (/18 prefix))
  • 88.208.64.0/18 (16 384 addresses (/18 prefix))
  • 62.177.64.0/18 (16 384 addresses (/18 prefix))
  • 82.100.0.0/18 (16 384 addresses (/18 prefix))
  • 85.93.96.0/19 (8 192 addresses (/19 prefix))
  • 213.191.96.0/19 (8 192 addresses (/19 prefix))
  • 82.113.32.0/19 (8 192 addresses (/19 prefix))
  • 194.213.224.0/19 (8 192 addresses (/19 prefix))
  • 62.44.0.0/19 (8 192 addresses (/19 prefix))
  • 213.175.32.0/19 (8 192 addresses (/19 prefix))
  • 46.33.96.0/19 (8 192 addresses (/19 prefix))
  • 213.151.64.0/19 (8 192 addresses (/19 prefix))
  • 212.80.64.0/19 (8 192 addresses (/19 prefix))
  • 212.27.192.0/19 (8 192 addresses (/19 prefix))
  • 212.24.128.0/19 (8 192 addresses (/19 prefix))
  • 212.20.96.0/19 (8 192 addresses (/19 prefix))
  • 195.250.128.0/19 (8 192 addresses (/19 prefix))
  • 195.128.192.0/19 (8 192 addresses (/19 prefix))
  • 195.122.192.0/19 (8 192 addresses (/19 prefix))
  • 82.119.240.0/20 (4 096 addresses (/20 prefix))
  • 151.237.224.0/21 (2 048 addresses (/21 prefix))
  • 62.4.96.0/21 (2 048 addresses (/21 prefix))
  • 185.24.236.0/22 (1 024 addresses (/22 prefix))
  • 109.235.176.0/22 (1 024 addresses (/22 prefix))
  • 45.89.148.0/23 (512 addresses (/23 prefix))
  • 194.145.156.0/24 (256 addresses (/24 prefix))
  • 193.222.130.0/24 (256 addresses (/24 prefix))
  • 193.84.68.0/24 (256 addresses (/24 prefix))
  • 141.11.179.0/24 (256 addresses (/24 prefix))
  • 31.57.141.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2001:1508::/32
  • 2001:4de8::/32
  • 2a00:c40::/32
  • 2a03:71c0::/32