AS28725 CETIN a.s. 🇨🇿 CZ
Announcing 11 prefixes, seen at the RIS collectors.
IPv4 prefixes
9
265,472 (1,037 × /24)
IPv6 prefixes
2
9 × /32
Upstreams
8
transit providers observed
Peers
24
settlement-free adjacencies
Downstreams
35
transit customers observed
Customer cone
66
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 | 68,265 | 134 | 1,549 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 65,557 | 3,985 | 642 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 50,061 | 18 | 36 | inferred |
| AS31230 SIX.SK Route Servers | 🇸🇰 SK | 264 | 0 | 1 | CAIDA |
| AS29632 Netassist International EOOD | 🇧🇬 BG | 45 | 0 | 141 | inferred |
| AS213241 TECHIT.BE SRL | 🇧🇪 BE | 0 | 14 | 80 | inferred |
| AS56662 Marcin Gondek | 🇵🇱 PL | 0 | 0 | 69 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 52,971 | 185 | 858 | CAIDA |
| AS6461 Zayo Bandwidth | 🇺🇸 US | 50,670 | 214 | 1 | CAIDA |
| AS20485 TransTeleCom JSC | 🇷🇺 RU | 28,305 | 85 | 98 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 21,705 | 63 | 141 | CAIDA |
| AS50673 Serverius Holding B.V. | 🇳🇱 NL | 16,131 | 131 | 147 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 15,669 | 48 | 510 | CAIDA |
| AS56655 Gigahost AS | 🇳🇴 NO | 15,573 | 35 | 23 | CAIDA |
| AS34927 iFog GmbH | 🇨🇠CH | 15,560 | 38 | 78 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,976 | 45 | 139 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 249 | 567 | 165 | CAIDA |
| AS10122 NETSTAR (SG) PTE. LTD. | 🇸🇬 SG | 218 | 226 | 2 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 76 | 25 | 93 | CAIDA |
| AS1836 green.ch AG | 🇨🇠CH | 44 | 78 | 141 | CAIDA |
| AS34019 Hivane Association | 🇫🇷 FR | 38 | 6 | 86 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 34 | 103 | 181 | CAIDA |
| AS15935 ha-vel internet s.r.o. | 🇨🇿 CZ | 33 | 13 | 1 | CAIDA |
| AS1103 SURF B.V. | 🇳🇱 NL | 30 | 104 | 46 | CAIDA |
| AS20766 Association "Gitoyen" | 🇫🇷 FR | 18 | 6 | 83 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 16 | 8 | 190 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 154 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 127 | 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 | 124 | CAIDA |
| AS212024 Marc Schmitt | 🇫🇷 FR | 0 | 1 | 92 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS24641 FASTER CZ spol. s r.o. | 🇨🇿 CZ | 15 | 10 | 877 | CAIDA |
| AS211826 Stability for Integrated Server Hosting Ltd | 🇯🇴 JO | 13 | 49 | 28 | CAIDA |
| AS35046 OMEGA plus Chrudim s.r.o. | 🇨🇿 CZ | 3 | 3 | 272 | CAIDA |
| AS212975 TeamCity s.r.o. | 🇨🇿 CZ | 3 | 3 | 109 | CAIDA |
| AS35613 FASTER CZ spol. s r.o. | 🇨🇿 CZ | 2 | 5 | 417 | CAIDA |
| AS57288 StaMPi, spol. s r.o. | 🇨🇿 CZ | 2 | 1 | 118 | CAIDA |
| AS203645 Jan Ryznar | 🇨🇿 CZ | 0 | 4 | 942 | CAIDA |
| AS52029 Palanet s.r.o. | 🇨🇿 CZ | 0 | 9 | 360 | CAIDA |
| AS206438 MX-NET Telekomunikace s.r.o. | 🇨🇿 CZ | 0 | 5 | 332 | CAIDA |
| AS206177 SitePark s.r.o. | 🇨🇿 CZ | 0 | 1 | 278 | CAIDA |
| AS56566 SATT a.s. | 🇨🇿 CZ | 0 | 9 | 245 | CAIDA |
| AS50784 Intraweb servis s.r.o. | 🇨🇿 CZ | 0 | 5 | 234 | CAIDA |
| AS196952 BEZVANET s.r.o. | 🇨🇿 CZ | 0 | 2 | 148 | CAIDA |
| AS57294 Internet Expert s.r.o. | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS57560 XLNET s.r.o. | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS198248 Richard Filip | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS48364 Pe3ny Net s.r.o. | 🇨🇿 CZ | 0 | 2 | 114 | CAIDA |
| AS213559 MyOffice, s.r.o. | 🇨🇿 CZ | 0 | 1 | 74 | CAIDA |
| AS51382 Ing. Leos Janouch | 🇨🇿 CZ | 0 | 1 | 74 | CAIDA |
| AS57825 MoravanyNET s.r.o. | 🇨🇿 CZ | 0 | 3 | 74 | CAIDA |
| AS198346 NETFORMS s.r.o. | 🇨🇿 CZ | 0 | 4 | 74 | CAIDA |
| AS209947 M-wifi internet s.r.o. | 🇨🇿 CZ | 0 | 1 | 74 | CAIDA |
| AS212859 KXCOMM s.r.o. | 🇨🇿 CZ | 0 | 1 | 74 | CAIDA |
| AS203365 Optet network, s. r. o. | 🇨🇿 CZ | 0 | 1 | 72 | CAIDA |
| AS51420 cyrilek.net z.s. | 🇨🇿 CZ | 0 | 18 | 49 | CAIDA |
| AS205619 Jiri Chalabala | 🇨🇿 CZ | 0 | 5 | 44 | CAIDA |
| AS197565 NHK Solutions s.r.o. | 🇨🇿 CZ | 0 | 1 | 40 | CAIDA |
| AS56427 Michal Hradil | 🇨🇿 CZ | 0 | 1 | 40 | CAIDA |
| AS204351 NAM system, a.s. | 🇨🇿 CZ | 0 | 4 | 40 | CAIDA |
| AS196849 MO BYRTUS s.r.o. | 🇨🇿 CZ | 0 | 1 | 40 | CAIDA |
| AS29298 SUSE Software Solutions Germany GmbH | 🇩🇪 DE | 0 | 2 | 40 | CAIDA |
| AS201265 ANAFRA a.s. | 🇨🇿 CZ | 0 | 2 | 23 | CAIDA |
| AS47868 AVONET, s.r.o. | 🇨🇿 CZ | 0 | 2 | 20 | CAIDA |
| AS19637 Avago Technologies U.S. Inc. | 🇺🇸 US | 0 | 96 | 16 | CAIDA |
| AS197083 K2 atmitec s.r.o. | 🇨🇿 CZ | 0 | 1 | 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.