Country
—
ASN LANDING PAGE
AS21021
MULTIMEDIA-AS Multimedia Polska Sp. z o.o.
Last updated · Jul 20, 2026
Total prefixes
47
IPv4 prefixes
45
IPv6 prefixes
2
ASN summary
How to read the scale of AS21021
MULTIMEDIA-AS Multimedia Polska Sp. z o.o. currently reports 47 prefixes and 22 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?
MULTIMEDIA-AS Multimedia Polska Sp. z o.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 AS21021 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
AS21021 ASN lookupAS21021 BGPAS21021 peersAS21021 prefixesAS21021 upstreamsMULTIMEDIA-AS Multimedia Polska Sp. z o.o. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS39219
AS39219
—
AS44643
AS44643
—
AS48311
AS48311
—
AS210085
AS210085
—
AS8834
AS8834
—
AS211046
AS211046
—
AS60279
AS60279
—
AS207311
AS207311
—
AS51589
AS51589
—
AS207218
AS207218
—
AS209430
AS209430
—
AS34076
AS34076
—
AS50101
AS50101
—
AS204190
AS204190
—
AS60563
AS60563
—
AS52203
AS52203
—
AS205257
AS205257
—
AS39893
AS39893
—
AS212176
AS212176
—
AS51305
AS51305
—
AS57360
AS57360
—
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 176.107.112.0/21 | AS21021 | — |
| 176.221.96.0/19 | AS21021 | — |
| 185.31.184.0/22 | AS21021 | — |
| 193.106.76.0/22 | AS21021 | — |
| 193.200.118.0/23 | AS21021 | — |
| 193.43.240.0/22 | AS21021 | — |
| 194.116.132.0/23 | AS21021 | — |
| 194.149.240.0/24 | AS21021 | — |
| 194.8.68.0/23 | AS21021 | — |
| 195.93.134.0/23 | AS21021 | — |
| 195.93.222.0/23 | AS21021 | — |
| 213.136.224.0/19 | AS21021 | — |
| 217.144.192.0/19 | AS21021 | — |
| 217.172.224.0/19 | AS21021 | — |
| 217.70.48.0/20 | AS21021 | — |
| 217.75.48.0/20 | AS21021 | — |
| 2a00:1c00::/32 | AS21021 | — |
| 2a02:2a40::/32 | AS21021 | — |
| 31.42.16.0/20 | AS21021 | — |
| 31.6.128.0/18 | AS21021 | — |
| 31.6.192.0/19 | AS21021 | — |
| 37.131.128.0/19 | AS21021 | — |
| 37.190.128.0/17 | AS21021 | — |
| 46.186.0.0/17 | AS21021 | — |
| 46.186.102.0/24 | AS21021 | — |
| 46.231.56.0/21 | AS21021 | — |
| 62.141.192.0/18 | AS21021 | — |
| 62.61.32.0/19 | AS21021 | — |
| 80.244.128.0/19 | AS21021 | — |
| 80.245.176.0/20 | AS21021 | — |
| 81.190.0.0/16 | AS21021 | — |
| 82.115.64.0/19 | AS21021 | — |
| 83.68.64.0/19 | AS21021 | — |
| 84.38.80.0/20 | AS21021 | — |
| 85.117.0.0/19 | AS21021 | — |
| 87.116.192.0/18 | AS21021 | — |
| 89.17.224.0/19 | AS21021 | — |
| 89.228.0.0/16 | AS21021 | — |
| 89.229.0.0/16 | AS21021 | — |
| 89.230.0.0/16 | AS21021 | — |
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 AS21021 represent?
AS21021 is an autonomous system number. The current source associates it with MULTIMEDIA-AS Multimedia Polska Sp. z o.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 AS21021 page?
They help explain the scale, interconnection depth, and route structure of AS21021. 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 AS21021?
Open a concrete IP page to check how the address maps into AS21021, 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.