AS39392 -

SuperNetwork s.r.o.

AS39392 SuperNetwork s.r.o.


Czech Republic





IP Addresses




Network Speed

View Details

Hosted Domains

There are 41,295 domain names hosted across 1,891 IP addresses on this ASN.

Show Domains

Company Details

We have details for more than 6 companies that use IP addresses on this ASN, including,,,, To find out more about our company details data contact sales.

Whois Details

as-block:       AS38912 - AS39935
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE

aut-num:        AS39392
as-name:        SuperNetwork
descr:          \(^_^)/
remarks:        .---------------------------------------------
remarks:        | SuperNetwork s.r.o. is the largest content
remarks:        |content delivery provider in Czech republic.
remarks:        |
remarks:        | Current traffic: ~400 Gbps, mostly outbound
remarks:        .---------------------------------------------
remarks:        | This is just a brief summary of our current
remarks:        | peering policies. For more informations feel
remarks:        | free to contact us directly.
remarks:        |
remarks:        | Please note that we use inbound filtering
remarks:        | based on RIPE RIR and more restrictive BGP
remarks:        | updates analyzer.
remarks:        +---------------------------------------------
remarks:        | Outbound communities (customers peers)
remarks:        |
remarks:        | Action BGP communities
remarks:        | all action communities do have following format
remarks:        | 39392:XXYYZ
remarks:        |
remarks:        |where
remarks:        |-----------
remarks:        |XX - action tag
remarks:        |
remarks:        |40 - prepend handling
remarks:        |-----------
remarks:        |YY - destination network
remarks:        |
remarks:        |02 - GTT/AS3257
remarks:        |04 - CoreBackbone/AS33891
remarks:        |05 - Cogent/AS174
remarks:        |07 - Telia/AS1299
remarks:        |-----------
remarks:        |Z
remarks:        |
remarks:        |0 - no-export
remarks:        |1 - prepend once
remarks:        |2 - prepend twice
remarks:        |3 - prepend thrice
remarks:        || Other communities on request
remarks:        |+---------------------------------------------
org:            ORG-Ss59-RIPE
admin-c:        ZC10-RIPE
tech-c:         SUPN1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SUPERNETWORK-MNT
created:        2006-02-14T11:12:04Z
last-modified:  2019-03-14T15:20:56Z
source:         RIPE

organisation:   ORG-SS59-RIPE
org-name:       SuperNetwork s.r.o.
org-type:       LIR
address:        Bilejova 407
address:        46303
address:        Liberec
address:        CZECH REPUBLIC
phone:          +420296826296
fax-no:         +420482731466
abuse-c:        AR14470-RIPE
admin-c:        JH24393-RIPE
admin-c:        ZC10-RIPE
admin-c:        JP4750-RIPE
mnt-ref:        SUPERNETWORK-MNT
mnt-ref:        SUPERNETWORK-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SUPERNETWORK-MNT
created:        2006-02-13T13:52:11Z
last-modified:  2016-12-01T13:06:59Z
source:         RIPE

role:           SuperNetwork s.r.o. technical staff
address:        SuperNetwork s.r.o.
address:        Bilejova 407
address:        46303 Liberec
address:        Czech republic
admin-c:        ZC10-RIPE
admin-c:        JP4750-RIPE
tech-c:         ZC10-RIPE
tech-c:         JP4750-RIPE
nic-hdl:        SUPN1-RIPE
mnt-by:         SUPERNETWORK-MNT
created:        2006-09-01T14:29:48Z
last-modified:  2014-09-05T11:25:17Z
source:         RIPE

person:         Zdenek Cendra
address:        Na Safrance 33
address:        Praha 10
address:        101 00
address:        Czech Republic
phone:          +420296826296
nic-hdl:        ZC10-RIPE
mnt-by:         SUPERNETWORK-MNT
created:        2002-08-16T11:56:13Z
last-modified:  2017-10-30T21:45:46Z
source:         RIPE

IP Address Ranges

Netblock Description Num IPs Navmatix s.r.o. 256 Navmatix s.r.o. 256 Ecay Networks s.r.o. 1,024 MailProfiler Development s.r.o. 256, s. r. o. 1,024 SuperNetwork s.r.o. 4,096 SuperNetwork s.r.o. 256 SuperNetwork s.r.o. 8,192 SuperNetwork s.r.o. 8,192 SuperNetwork s.r.o. 8,192
Netblock Description
2a01:28::/32 SuperNetwork s.r.o.
2a01:28:eeee::/48 SuperNetwork s.r.o.
2a09:ec00::/29, s. r. o.

Network Speed







See how your own network speed compares at

Test Your Network Speed

Hosted Domains

There are 41,295 domain names hosted across 1,891 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP 3,206 1,371 954 949 906 836 830 807 763 598


There are 14 peers for this ASN.

Telia Company AB AS1299
Cogent Communications AS174
Broadband Hosting B.V AS20562
Freenet Liberec, z.s. AS29504
GTT Communications Inc. AS3257
Core-Backbone GmbH AS33891
lagis Internet Service Provider GmbH AS35369
Nessus GmbH AS47692
LWLcom GmbH AS50629


There are 4 upstreams for this ASN.

Telia Company AB AS1299
Cogent Communications AS174
GTT Communications Inc. AS3257
Core-Backbone GmbH AS33891


There are 82 downstreams for this ASN. s.r.o. AS16246
VITALATIV, s.r.o. AS196684
JON.CZ s.r.o. AS196735, z.s. AS196843
Vissado s.r.o. AS196943
Sprintel s.r.o. AS197013
LAM plus s.r.o. AS197029
M.NET STUDENKA s. r. o. AS197197
Core4Net, s.r.o. AS197307 s.r.o. AS198167

Get Started

Utilize our APIs to get information on any IP address including geolocation, ASN and hostname. It is forever FREE for up to 1000 requests per day.

No Credit card required


Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP.

Find out more about AS39392 at robtex.

Try our JSON API from the command line

Get started with curl or check out the documentation to read more.

Free for small projects. Pay as you grow.

Our API is free for up to 1,000 requests per day. Our plans suits the company of every size.

Plans & Pricing
A million uses. Easy to implement.

From filtering out bot traffic, to performing bulk IP geolocation, we’ve got it all covered.