AS39392 — SUPERNETWORK _

Network type: hosting

AS39392 announces 9 IPv4 prefixes covering 31,744 addresses and 3 IPv6 prefixes.

About this network

The AS handle SUPERNETWORK is held by SH.cz s.r.o.

What it's used for

• The address space carries hosting and web services, evidenced by reverse DNS entries such as unn-88-86-119-254.superhosting.cz and hosting14-254.vas-hosting.cz, alongside netnames like CZ-SUPERNETWORK-20060214 and CZ-WPHOSTING-20180227.
• The network announces 31,744 IPv4 addresses across 13 prefixes and 19 IPv6 prefixes, while maintaining 135 observed neighbours. This high neighbour count relative to the address inventory indicates a transit or peering-heavy role rather than a pure access network.
• Traffic from this AS consists of web hosting endpoints, API services, and general internet services provided by SH.cz and its affiliated hosting entities.

Notable

• Registrants for the majority of prefixes are SH.cz s.r.o., matching the AS holder, while smaller blocks are registered to Ecay Networks s.r.o., IT & WP HOST s.r.o., Navmatix s.r.o., and Hostuj to s.r.o., indicating a portfolio of acquired or leased address space.
• The operator formerly known as SuperNetwork rebranded to SH.cz, a change reflected in the registry holder name and the company's public announcement of a brand modernization after 18 years.
• The inventory includes a mix of /19, /20, and /22 blocks, with the largest being 88.86.96.0/19 and 95.168.192.0/19, showing a consolidated but diverse address estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 37.235.96.0/20
• 46.234.96.0/19
• 88.86.96.0/19
• 95.168.192.0/19
• 185.75.232.0/22
• 185.80.30.0/24
• 185.203.84.0/23
• 185.247.28.0/22
• 195.190.140.0/24
• 2a01:28::/32
• 2a0d:b880::/29
• 2a10:3900::/48

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS33891 Core-Backbone GmbH
• AS37721 Virtual Technologies & Solutions
• AS29504 Freenet Liberec, z.s.
• AS24482 SG.GS
• AS3257 GTT Communications Inc.
• AS20562 Broadband Hosting B.V.
• AS57463 NetIX Communications JSC
• AS50629 LWLcom GmbH
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS44066 firstcolo GmbH

Downstream networks

• AS44489 STARNET, s.r.o.
• AS16509 Amazon.com, Inc.
• AS62160 WEB3 Leaders INC
• AS34955 Martin Vicenik
• AS202921 CC INTERNET s.r.o.
• AS174 Cogent Communications, LLC
• AS202895 TFnet s.r.o.
• AS42306 Edera Group a.s.
• AS21430 WIA spol. s.r.o.
• AS49025 PRO-ZETA a.s.
• AS198101 Kooperativa pojistovna, a.s., Vienna Insurance Group
• AS29583 Spinoco a.s.
• AS43070 JAW.cz s.r.o.
• AS28972 M-SOFT, spol. s r.o.
• AS204949 CMIS s.r.o.
• AS60606 PRO-ZETA a.s.
• AS202297 Skylon Solutions Limited
• AS202877 VEJNET.CZ s.r.o.
• AS197013 Sprintel s.r.o.
• AS47114 SychrovNET s.r.o
• AS49985 IP4ISP z.s.p.o
• AS9080 Ipex A.S
• AS34911 ELDATA prazska s.r.o.
• AS204007 Kleissner Investments s.r.o.
• AS48602 Connect plus s.r.o.

Adjacent networks

• AS29504 Freenet Liberec, z.s.
• AS174 Cogent Communications, LLC
• AS33891 Core-Backbone GmbH
• AS1299 Arelion Sweden AB
• AS44489 STARNET, s.r.o.
• AS31117 ENERGOTEL a.s.
• AS8778 Slovanet a.s.
• AS16509 Amazon.com, Inc.
• AS60606 PRO-ZETA a.s.
• AS47232 ISP Alliance a.s.
• AS49025 PRO-ZETA a.s.
• AS62160 WEB3 Leaders INC
• AS6939 Hurricane Electric LLC
• AS207187 TKR Jasek, s.r.o.
• AS203072 DomaTV s.r.o.
• AS42306 Edera Group a.s.
• AS15169 Google LLC
• AS34955 Martin Vicenik
• AS3257 GTT Communications Inc.
• AS202921 CC INTERNET s.r.o.
• AS196735 PODA a.s.
• AS202297 Skylon Solutions Limited
• AS21430 WIA spol. s.r.o.
• AS202895 TFnet s.r.o.
• AS15614 Dragon Internet a.s.

Internet exchanges

• Peering.cz — Prague, Czech Republic