AS28725 CETIN a.s. 🇨🇿 CZ
Announcing 12 prefixes, seen at the RIS collectors.
IPv4 prefixes
10
266,496 (1,041 × /24)
IPv6 prefixes
2
9 × /32
Upstreams
8
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
35
transit customers observed
Customer cone
125
ASes reachable through it
Registry and operator data
- AS number
- AS28725
- Name
- CETIN a.s.
- Organisation
- CETIN
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2003-02-10
- Network type
- NSP
- Traffic levels
- 200-300Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- RIPE::AS-CETIN
- Website
- http://www.cetin.cz
- PeeringDB
- net/9607
- Exchanges
- 7
- Facilities
- 8
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS1299 Arelion (fka. Telia Carrier) | 🇸🇪 SE | 69,973 | 108 | 1,762 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 67,319 | 3,739 | 605 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 55,198 | 14 | 38 | inferred |
| AS31230 SIX.SK Route Servers | 🇸🇰 SK | 323 | 0 | 1 | CAIDA |
| AS29632 Netassist International EOOD | 🇧🇬 BG | 53 | 0 | 59 | inferred |
| AS213241 TECHIT.BE SRL | 🇧🇪 BE | 0 | 14 | 82 | inferred |
| AS56662 Marcin Gondek | 🇵🇱 PL | 0 | 0 | 71 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6461 Zayo Bandwidth | 🇺🇸 US | 57,041 | 251 | 2 | CAIDA |
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 56,886 | 237 | 731 | CAIDA |
| AS4657 StarHub Ltd | 🇸🇬 SG | 38,361 | 208 | 105 | CAIDA |
| AS20485 JSC TransTeleCom | 🇷🇺 RU | 30,251 | 85 | 101 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 30,230 | 1 | 1 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 23,928 | 64 | 184 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 23,735 | 45 | 139 | CAIDA |
| AS50673 Serverius Holding B.V. | 🇳🇱 NL | 20,208 | 130 | 99 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 20,072 | 47 | 503 | CAIDA |
| AS56655 Gigahost AS | 🇳🇴 NO | 20,053 | 56 | 20 | CAIDA |
| AS34927 iFog GmbH | 🇨🇠CH | 20,039 | 40 | 81 | CAIDA |
| AS8218 Zayo Europe | 🇫🇷 FR | 355 | 19 | 1 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 239 | 575 | 169 | CAIDA |
| AS10122 NETSTAR (SG) PTE. LTD. | 🇸🇬 SG | 196 | 229 | 2 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 75 | 25 | 96 | CAIDA |
| AS1836 green.ch AG | 🇨🇠CH | 45 | 76 | 143 | CAIDA |
| AS34019 Hivane Association | 🇫🇷 FR | 39 | 6 | 172 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 33 | 97 | 185 | CAIDA |
| AS1103 SURF B.V. | 🇳🇱 NL | 30 | 99 | 46 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 17 | 7 | 159 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 157 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 10 | 39 | 132 | CAIDA |
| AS202297 Skylon Solutions Limited | 🇬🇧 GB | 2 | 2 | 1 | CAIDA |
| AS29504 Freenet Liberec, z.s. | 🇨🇿 CZ | 0 | 1 | 139 | CAIDA |
| AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | 🇳🇱 NL | 0 | 7 | 128 | CAIDA |
| AS212024 Marc Schmitt | 🇫🇷 FR | 0 | 1 | 95 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS211826 Stability for Integrated Server Hosting Ltd | 🇯🇴 JO | 72 | 50 | 25 | CAIDA |
| AS24641 FASTER CZ spol. s r.o. | 🇨🇿 CZ | 15 | 10 | 935 | CAIDA |
| AS35046 OMEGA plus Chrudim s.r.o. | 🇨🇿 CZ | 3 | 3 | 268 | CAIDA |
| AS212975 TeamCity s.r.o. | 🇨🇿 CZ | 3 | 3 | 105 | CAIDA |
| AS35613 FASTER CZ spol. s r.o. | 🇨🇿 CZ | 2 | 5 | 434 | CAIDA |
| AS197083 K2 atmitec s.r.o. | 🇨🇿 CZ | 2 | 1 | 28 | CAIDA |
| AS203645 Jan Ryznar | 🇨🇿 CZ | 0 | 4 | 899 | CAIDA |
| AS52029 Palanet s.r.o. | 🇨🇿 CZ | 0 | 9 | 369 | CAIDA |
| AS206438 MX-NET Telekomunikace s.r.o. | 🇨🇿 CZ | 0 | 5 | 315 | CAIDA |
| AS206177 SitePark s.r.o. | 🇨🇿 CZ | 0 | 1 | 265 | CAIDA |
| AS56566 SATT a.s. | 🇨🇿 CZ | 0 | 9 | 251 | CAIDA |
| AS50784 Intraweb servis s.r.o. | 🇨🇿 CZ | 0 | 5 | 232 | CAIDA |
| AS57825 MoravanyNET s.r.o. | 🇨🇿 CZ | 0 | 5 | 155 | CAIDA |
| AS196952 BEZVANET s.r.o. | 🇨🇿 CZ | 0 | 2 | 145 | CAIDA |
| AS57560 XLNET s.r.o. | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS57294 Internet Expert s.r.o. | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS198248 Richard Filip | 🇨🇿 CZ | 0 | 2 | 113 | CAIDA |
| AS48364 Pe3ny Net s.r.o. | 🇨🇿 CZ | 0 | 2 | 112 | CAIDA |
| AS57288 StaMPi, spol. s r.o. | 🇨🇿 CZ | 0 | 1 | 73 | CAIDA |
| AS51382 Ing. Leos Janouch | 🇨🇿 CZ | 0 | 1 | 73 | CAIDA |
| AS209947 M-wifi internet s.r.o. | 🇨🇿 CZ | 0 | 1 | 73 | CAIDA |
| AS212859 KXCOMM s.r.o. | 🇨🇿 CZ | 0 | 1 | 73 | CAIDA |
| AS213559 MyOffice, s.r.o. | 🇨🇿 CZ | 0 | 1 | 72 | CAIDA |
| AS198346 NETFORMS s.r.o. | 🇨🇿 CZ | 0 | 4 | 71 | CAIDA |
| AS203365 Optet network, s. r. o. | 🇨🇿 CZ | 0 | 1 | 70 | CAIDA |
| AS51420 cyrilek.net z.s. | 🇨🇿 CZ | 0 | 18 | 48 | CAIDA |
| AS205619 Jiri Chalabala | 🇨🇿 CZ | 0 | 5 | 44 | CAIDA |
| AS197565 NHK Solutions s.r.o. | 🇨🇿 CZ | 0 | 1 | 41 | CAIDA |
| AS56427 Michal Hradil | 🇨🇿 CZ | 0 | 1 | 41 | CAIDA |
| AS204351 NAM system, a.s. | 🇨🇿 CZ | 0 | 4 | 40 | CAIDA |
| AS29298 SUSE Software Solutions Germany GmbH | 🇩🇪 DE | 0 | 2 | 38 | CAIDA |
| AS196849 MO BYRTUS s.r.o. | 🇨🇿 CZ | 0 | 1 | 37 | CAIDA |
| AS47868 AVONET, s.r.o. | 🇨🇿 CZ | 0 | 2 | 22 | CAIDA |
| AS201265 ANAFRA a.s. | 🇨🇿 CZ | 0 | 2 | 21 | CAIDA |
| AS19637 Avago Technologies U.S. Inc. | 🇺🇸 US | 0 | 99 | 15 | 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.