AS24971 MasterDC s.r.o. 🇨🇿 CZ
Announcing 46 prefixes, seen at the RIS collectors.
IPv4 prefixes
33
58,880 (230 × /24)
IPv6 prefixes
13
21 × /32
Upstreams
2
transit providers observed
Peers
8
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
18
ASes reachable through it
Registry and operator data
- AS number
- AS24971
- Name
- MasterDC s.r.o.
- Organisation
- MasterDC
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2002-06-11
- Network type
- Content
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS24971:AS-MASTERCZ
- Website
- https://www.master.cz
- Looking glass
- https://lg.masterinter.net
- PeeringDB
- net/2107
- Exchanges
- 5
- Facilities
- 4
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 | 68,598 | 132 | 1,225 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 50,568 | 19 | 1,304 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 53,567 | 235 | 488 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 24,619 | 1 | 45 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 21,513 | 64 | 79 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,747 | 45 | 104 | CAIDA |
| AS1764 Next Layer Telecommunications | 🇦🇹 AT | 388 | 70 | 55 | CAIDA |
| AS8218 Zayo Europe | 🇫🇷 FR | 342 | 19 | 23 | CAIDA |
| AS47232 ISP Alliance a.s. | 🇨🇿 CZ | 76 | 10 | 1 | CAIDA |
| AS29504 Freenet Liberec, z.s. | 🇨🇿 CZ | 0 | 1 | 120 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS204957 ROUTE 95 LLC | 🇺🇸 US | 8 | 139 | 405 | CAIDA |
| AS207167 mapnet IT services s.r.o. | 🇨🇿 CZ | 3 | 5 | 342 | CAIDA |
| AS48921 Yoursafe Holding B.V. | 🇳🇱 NL | 0 | 2 | 486 | CAIDA |
| AS51134 Development 777 s.r.o. | 🇨🇿 CZ | 0 | 4 | 147 | CAIDA |
| AS211085 mapnet IT services s.r.o. | 🇨🇿 CZ | 0 | 1 | 110 | CAIDA |
| AS202857 INIZIO Internet Media s.r.o. | 🇨🇿 CZ | 0 | 1 | 42 | CAIDA |
| AS64481 Joint Venture Dragon Capital LLC | 🇺🇦 UA | 0 | 2 | 42 | CAIDA |
| AS21045 K-net Technical International Group, s.r.o. | 🇨🇿 CZ | 0 | 7 | 42 | 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.