206208 looking glass

AS39392 SH.cz s.r.o. 🇨🇿 CZ

Announcing 17 prefixes, seen at the RIS collectors.

IPv4 prefixes
12
32,512 (127 × /24)
IPv6 prefixes
5
17 × /32
Upstreams
6
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
97
transit customers observed
Customer cone
2,145
ASes reachable through it

Registry and operator data

AS number
AS39392
Name
SH.cz s.r.o.
Organisation
SH.cz
Country
🇨🇿 CZ
RIR
RIPENCC
Allocated
2006-02-14
Network type
Content
Traffic levels
200-300Gbps
Scope
Europe
Peering policy
Open
IRR as-set
AS-SUPERNETWORK
Website
https://www.sh.cz
PeeringDB
net/2051
Exchanges
1
Facilities
3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

15 valid (88.2%) 0 invalid (0.0%) 2 no ROA (11.8%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS1299 Arelion (fka. Telia Carrier) 🇸🇪 SE 70,107 109 192,564 CAIDA
AS174 Cogent Communications, LLC 🇺🇸 US 67,488 3,892 272,504 CAIDA
AS3257 GTT Communications Inc. 🇺🇸 US 65,593 1,909 53,961 CAIDA
AS33891 Core-Backbone GmbH 🇩🇪 DE 40,472 1 273,067 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 56,818 241 459 CAIDA
AS37721 Virtual Technologies & Solutions 🇧🇫 BF 38,783 64 90 CAIDA
AS20562 Open Peering (Broadband Hosting B.V.) 🇳🇱 NL 38,770 0 1 CAIDA
AS50629 LWLcom GmbH 🇩🇪 DE 38,570 24 1 CAIDA
AS24482 SG.GS 🇸🇬 SG 38,426 45 72 CAIDA
AS13335 Cloudflare, Inc. 🇺🇸 US 38,301 2,709 7,768 CAIDA
AS1764 Next Layer Telecommunications 🇦🇹 AT 460 70 28 CAIDA
AS16509 Amazon.com, Inc. 🇺🇸 US 126 17,542 3,379 CAIDA
AS44066 firstcolo GmbH 🇩🇪 DE 31 53 1 CAIDA
AS15169 Google LLC 🇺🇸 US 19 1,271 4,722 CAIDA
AS49121 Infinity Telecom, s.r.o. 🇨🇿 CZ 17 20 1 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS60068 Datacamp Limited (CDN77 / DataPacket) 🇬🇧 GB 1,866 424 73 CAIDA
AS47232 ISP Alliance a.s. 🇨🇿 CZ 61 10 689 CAIDA
AS31117 ENERGOTEL a.s. 🇸🇰 SK 46 17 1,376 CAIDA
AS60606 PRO-ZETA a.s. 🇨🇿 CZ 38 6 870 CAIDA
AS42000 Futruy s.r.o. 🇨🇿 CZ 30 5 20 CAIDA
AS209810 Netcore services s.r.o. 🇨🇿 CZ 20 6 285 CAIDA
AS21430 WIA spol. s.r.o. 🇨🇿 CZ 15 65 319 CAIDA
AS24641 FASTER CZ spol. s r.o. 🇨🇿 CZ 15 10 158 CAIDA
AS8778 Slovanet a.s. 🇸🇰 SK 14 4 1,229 CAIDA
AS207187 TKR Jasek, s.r.o. 🇨🇿 CZ 10 6 516 CAIDA
AS48326 DataNetworks s.r.o. 🇸🇰 SK 10 14 256 CAIDA
AS30764 PODA a.s. 🇨🇿 CZ 8 16 142 CAIDA
AS49115 E-MAX INTERNET & IT s.r.o. 🇸🇰 SK 8 2 34 CAIDA
AS49025 PRO-ZETA a.s. 🇨🇿 CZ 6 7 556 CAIDA
AS203072 DomaTV s.r.o. 🇨🇿 CZ 5 0 436 CAIDA
AS42306 CEZNET s.r.o. 🇨🇿 CZ 5 8 404 CAIDA
AS196735 PODA a.s. 🇨🇿 CZ 5 2 340 CAIDA
AS44489 STARNET, s.r.o. 🇨🇿 CZ 4 26 1,695 CAIDA
AS42005 LightStorm Services s.r.o. 🇸🇰 SK 4 18 195 CAIDA
AS51744 Non-profit organization Jablonka.cz 🇨🇿 CZ 4 1 94 CAIDA
AS62160 WEB3 Leaders INC 🇨🇦 CA 3 29 388 CAIDA
AS15614 Dragon Internet a.s. 🇨🇿 CZ 3 6 284 CAIDA
AS210139 DPT s.r.o. 🇨🇿 CZ 3 2 255 CAIDA
AS202297 Skylon Solutions Limited 🇬🇧 GB 2 2 388 CAIDA
AS9080 Ipex A.S 🇨🇿 CZ 2 5 226 CAIDA
AS197013 Sprintel s.r.o. 🇨🇿 CZ 2 5 213 CAIDA
AS28972 M-SOFT, spol. s r.o. 🇨🇿 CZ 2 6 212 CAIDA
AS206548 ZCOM.cz s.r.o 🇨🇿 CZ 2 5 161 CAIDA
AS44712 eHAMnet, s.r.o. 🇨🇿 CZ 2 2 140 CAIDA
AS209531 OSTV s.r.o. 🇸🇰 SK 2 4 109 CAIDA
AS52176 TTC TELEKOMUNIKACE s.r.o. 🇨🇿 CZ 2 2 77 CAIDA
AS199490 INTERCONNECT s.r.o. 🇨🇿 CZ 2 2 73 CAIDA
AS209369 The Cloud Provider s.r.o. 🇨🇿 CZ 2 5 23 CAIDA
AS47949 gsnet.cz s.r.o. 🇨🇿 CZ 2 1 18 CAIDA
AS29504 Freenet Liberec, z.s. 🇨🇿 CZ 0 1 808,058 CAIDA
AS202921 CC INTERNET s.r.o. 🇨🇿 CZ 0 13 394 CAIDA
AS34955 Martin Vicenik 🇨🇿 CZ 0 12 368 CAIDA
AS202895 TFnet s.r.o. 🇨🇿 CZ 0 10 316 CAIDA
AS198101 Kooperativa pojistovna, a.s., Vienna Insurance Group 🇨🇿 CZ 0 10 248 CAIDA
AS29583 Spinoco a.s. 🇨🇿 CZ 0 9 225 CAIDA
AS43070 JAW.cz s.r.o. 🇨🇿 CZ 0 6 207 CAIDA
AS202877 VEJNET.CZ s.r.o. 🇨🇿 CZ 0 6 184 CAIDA
AS47114 SychrovNET s.r.o 🇨🇿 CZ 0 5 173 CAIDA
AS49985 IP4ISP z.s.p.o 🇨🇿 CZ 0 6 169 CAIDA
AS204007 Kleissner Investments s.r.o. 🇨🇿 CZ 0 3 153 CAIDA
AS48602 Connect plus s.r.o. 🇨🇿 CZ 0 4 153 CAIDA
AS34911 ELDATA prazska s.r.o. 🇨🇿 CZ 0 5 150 CAIDA
AS48131 IXOXI s.r.o. 🇨🇿 CZ 0 2 148 CAIDA
AS204949 CMIS s.r.o. 🇨🇿 CZ 0 7 147 CAIDA
AS59959 SferiaNET.cz s.r.o. 🇨🇿 CZ 0 4 136 CAIDA
AS198346 NETFORMS s.r.o. 🇨🇿 CZ 0 4 122 CAIDA
AS198167 Apptc.me s.r.o. 🇨🇿 CZ 0 9 113 CAIDA
AS59871 Heureka Group a.s. 🇨🇿 CZ 0 1 110 CAIDA
AS62099 JM-Networks, s.r.o. 🇨🇿 CZ 0 4 105 CAIDA
AS204332 TKC system s.r.o. 🇨🇿 CZ 0 3 94 CAIDA
AS197307 Core4Net, s.r.o. 🇨🇿 CZ 0 3 93 CAIDA
AS57279 Sauron CZ s.r.o. 🇨🇿 CZ 0 3 89 CAIDA
AS59970 AmigoNet s.r.o. 🇨🇿 CZ 0 3 86 CAIDA
AS52092 Alf servis, s.r.o. 🇨🇿 CZ 0 2 85 CAIDA
AS206703 Netcom Solutions s.r.o. 🇨🇿 CZ 0 2 83 CAIDA
AS201548 Milan Zelenka 🇨🇿 CZ 0 2 74 CAIDA
AS211594 Kleissner Investments s.r.o. 🇨🇿 CZ 0 1 73 CAIDA
AS215353 Josef Hrabe 🇨🇿 CZ 0 3 71 CAIDA
AS13199 Jaroslav Doubrava 🇨🇿 CZ 0 1 66 CAIDA
AS202719 Pranet s.r.o. 🇨🇿 CZ 0 1 66 CAIDA
AS49013 Fusion Media, s.r.o. 🇨🇿 CZ 0 2 60 CAIDA
AS62011 UNHfree.net z.s. 🇨🇿 CZ 0 2 60 CAIDA
AS197046 FIXNET s.r.o. 🇨🇿 CZ 0 2 59 CAIDA
AS211700 Dexus Internet s.r.o. 🇨🇿 CZ 0 1 56 CAIDA
AS61296 TechCom s.r.o. 🇨🇿 CZ 0 2 53 CAIDA
AS56656 Detronics s.r.o. 🇸🇰 SK 0 2 52 CAIDA
AS206784 Internet Praha Josefov s.r.o. 🇨🇿 CZ 0 1 46 CAIDA
AS199665 Hana Juzkova 🇨🇿 CZ 0 1 46 CAIDA
AS41779 LajsiNET s.r.o. 🇨🇿 CZ 0 1 46 CAIDA
AS204409 Prestonet s.r.o. 🇨🇿 CZ 0 1 46 CAIDA
AS199298 Jan Stetina 🇨🇿 CZ 0 1 44 CAIDA
AS56456 C2NET s.r.o. 🇨🇿 CZ 0 1 43 CAIDA
AS196684 VITALATIV, s.r.o. 🇨🇿 CZ 0 1 41 CAIDA
AS56349 IP-Net s.r.o. 🇸🇰 SK 0 3 30 CAIDA
AS211816 ERON X s.r.o. 🇨🇿 CZ 0 1 30 CAIDA
AS44430 MaRcom-Eko s.r.o. 🇨🇿 CZ 0 1 30 CAIDA
AS204917 Mi-Ja Javornik s.r.o. 🇨🇿 CZ 0 1 29 CAIDA
AS57007 NITEX ISP s.r.o. 🇨🇿 CZ 0 1 28 CAIDA
AS197029 LAM plus s.r.o. 🇨🇿 CZ 0 2 26 CAIDA
AS196843 KHnet.info, z.s. 🇨🇿 CZ 0 2 24 CAIDA
AS12508 Rainside s.r.o. 🇸🇰 SK 0 2 23 CAIDA
AS43248 ISPER, s.r.o. 🇸🇰 SK 0 1 23 CAIDA
AS208882 CoolNet, s.r.o. 🇸🇰 SK 0 2 19 CAIDA
AS43507 RETE internet, s.r.o. 🇨🇿 CZ 0 2 12 CAIDA
AS44065 NETAIR, s.r.o. 🇨🇿 CZ 0 2 9 CAIDA
AS49206 PeakFactory BV 🇳🇱 NL 0 6 7 CAIDA
AS203165 Statni pokladna Centrum sdilenych sluzeb, s.p. 🇨🇿 CZ 0 3 7 CAIDA
AS2484 AFNIC (Association Francaise pour le Nommage Internet en Cooperation) 🇫🇷 FR 0 1 2 CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.