Country
—
ASN LANDING PAGE
AS2852
CESNET2 CESNET z.s.p.o.
Last updated · Jul 20, 2026
Total prefixes
27
IPv4 prefixes
26
IPv6 prefixes
1
ASN summary
How to read the scale of AS2852
CESNET2 CESNET z.s.p.o. currently reports 27 prefixes and 68 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
CESNET2 CESNET z.s.p.o. is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS2852 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS2852 ASN lookupAS2852 BGPAS2852 peersAS2852 prefixesAS2852 upstreamsCESNET2 CESNET z.s.p.o. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS61110
AS61110
—
AS48091
AS48091
—
AS199711
AS199711
—
AS201648
AS201648
—
AS210498
AS210498
—
AS202874
AS202874
—
AS197451
AS197451
—
AS200874
AS200874
—
AS212876
AS212876
—
AS197277
AS197277
—
AS210367
AS210367
—
AS213152
AS213152
—
AS204772
AS204772
—
AS208093
AS208093
—
AS51727
AS51727
—
AS198500
AS198500
—
AS702
AS702
—
AS199604
AS199604
—
AS1853
AS1853
—
AS6855
AS6855
—
AS16019
AS16019
—
AS2607
AS2607
—
AS2686
AS2686
—
AS5610
AS5610
—
AS6461
AS6461
—
AS16509
AS16509
—
AS34080
AS34080
—
AS203165
AS203165
—
Peers
AS6939
AS6939
—
AS21320
AS21320
—
AS1853
AS1853
—
AS174
AS174
—
AS60606
AS60606
—
AS6461
AS6461
—
AS20965
AS20965
—
AS24482
AS24482
—
AS35280
AS35280
—
AS8218
AS8218
—
AS29504
AS29504
—
AS20723
AS20723
—
AS34549
AS34549
—
AS5405
AS5405
—
AS6881
AS6881
—
AS14840
AS14840
—
AS34927
AS34927
—
AS8298
AS8298
—
AS25091
AS25091
—
AS35625
AS35625
—
AS34177
AS34177
—
AS4230
AS4230
—
AS20764
AS20764
—
AS41327
AS41327
—
AS6057
AS6057
—
AS24961
AS24961
—
AS29691
AS29691
—
AS37468
AS37468
—
AS22356
AS22356
—
AS29632
AS29632
—
AS37100
AS37100
—
AS8758
AS8758
—
AS39351
AS39351
—
AS12779
AS12779
—
AS1828
AS1828
—
AS14907
AS14907
—
AS25160
AS25160
—
AS29075
AS29075
—
AS35360
AS35360
—
AS36236
AS36236
—
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 146.102.0.0/16 | AS2852 | — |
| 147.228.0.0/16 | AS2852 | — |
| 147.230.0.0/16 | AS2852 | — |
| 147.231.0.0/16 | AS2852 | — |
| 147.251.0.0/16 | AS2852 | — |
| 147.32.0.0/16 | AS2852 | — |
| 147.33.0.0/16 | AS2852 | — |
| 158.194.0.0/16 | AS2852 | — |
| 158.196.0.0/16 | AS2852 | — |
| 160.216.0.0/16 | AS2852 | — |
| 160.217.0.0/16 | AS2852 | — |
| 185.8.160.0/22 | AS2852 | — |
| 193.84.104.0/22 | AS2852 | — |
| 193.84.116.0/23 | AS2852 | — |
| 193.84.160.0/20 | AS2852 | — |
| 193.84.192.0/19 | AS2852 | — |
| 193.84.192.0/20 | AS2852 | — |
| 193.84.208.0/20 | AS2852 | — |
| 193.84.32.0/20 | AS2852 | — |
| 193.84.53.0/24 | AS2852 | — |
| 193.84.55.0/24 | AS2852 | — |
| 193.84.56.0/21 | AS2852 | — |
| 193.84.80.0/22 | AS2852 | — |
| 195.113.0.0/16 | AS2852 | — |
| 195.178.64.0/19 | AS2852 | — |
| 2001:718::/29 | AS2852 | — |
| 78.128.128.0/17 | AS2852 | — |
Related ASN pages
AS15169 · Google
Review Google network organization fields, prefixes, peers, upstreams, and downstreams.
AS13335 · Cloudflare
Review Cloudflare network organization fields, prefixes, peers, upstreams, and downstreams.
AS8075 · Microsoft
Review Microsoft network organization fields, prefixes, peers, upstreams, and downstreams.
AS16509 · Amazon
Review Amazon network organization fields, prefixes, peers, upstreams, and downstreams.
Related lookups and next steps
Frequently asked questions about this ASN page
What does AS2852 represent?
AS2852 is an autonomous system number. The current source associates it with CESNET2 CESNET z.s.p.o. and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS2852 page?
They help explain the scale, interconnection depth, and route structure of AS2852. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS2852?
Open a concrete IP page to check how the address maps into AS2852, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
BGP and ASN Basics Guide
Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.
Routing Troubleshooting and Network Analysis
Build troubleshooting context from an IP, BGP prefix, ASN, and public network relationships without treating static route data as a packet path.
Cloud Network and ASN Comparison
Compare representative cloud and edge networks by ASN, announced prefixes, peers, upstreams, and downstreams without inferring a specific host or customer workload.