AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED 🇬🇧 GB
Announcing 53 prefixes, seen at the RIS collectors.
IPv4 prefixes
52
54,784 (214 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
16
settlement-free adjacencies
Downstreams
9
transit customers observed
Customer cone
19
ASes reachable through it
Registry and operator data
- AS number
- AS25577
- Name
- MAINFRAME & CYBERNETIC SYSTEMS LIMITED
- Organisation
- MAINFRAME & CYBERNETIC SYSTEMS LIMITED
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2003-01-15
- Network type
- NSP
- Traffic levels
- 10-20Gbps
- Scope
- Europe
- Peering policy
- Selective
- IRR as-set
- AS-C4L
- Website
- http://bec.uk
- Looking glass
- https://lg.as25577.net
- PeeringDB
- net/1540
- Exchanges
- 3
- Facilities
- 25
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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | 🇺🇸 US | 65,976 | 3,977 | 1,288 | CAIDA |
| AS3257 GTT Communications Inc. | 🇺🇸 US | 63,433 | 1,788 | 775 | CAIDA |
| AS3223 Voxility LLP | 🇬🇧 GB | 26,544 | 270 | 84 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 54,017 | 185 | 636 | CAIDA |
| AS4637 Telstra International Limited | ðŸ‡ðŸ‡° HK | 43,466 | 666 | 120 | CAIDA |
| AS20562 Open Peering (Broadband Hosting B.V.) | 🇳🇱 NL | 23,799 | 0 | 3 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 23,711 | 63 | 122 | CAIDA |
| AS9505 Taiwan Internet Gateway | 🇹🇼 TW | 22,685 | 36 | 3 | CAIDA |
| AS31500 Global Network Management Inc | 🇦🇬 AG | 21,373 | 40 | 83 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 15,539 | 48 | 369 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,768 | 45 | 132 | CAIDA |
| AS8218 Zayo Europe | 🇫🇷 FR | 341 | 19 | 2 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 270 | 567 | 106 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 76 | 25 | 103 | CAIDA |
| AS29169 GANDI SAS | 🇫🇷 FR | 47 | 8 | 110 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 34 | 103 | 218 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 16 | 8 | 108 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 110 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 118 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS31708 Coreix Ltd | 🇬🇧 GB | 8 | 23 | 1,653 | CAIDA |
| AS49485 High Availability Hosting Limited | 🇬🇧 GB | 2 | 18 | 256 | CAIDA |
| AS50882 Maxnett Ltd. | 🇬🇧 GB | 2 | 1 | 43 | CAIDA |
| AS205434 BE SLOUGH DC UK LIMITED | 🇬🇧 GB | 0 | 11 | 77 | CAIDA |
| AS59493 Cudo Ventures Ltd | 🇬🇧 GB | 0 | 3 | 75 | CAIDA |
| AS203035 Xara Computers (UK) Ltd | 🇬🇧 GB | 0 | 3 | 72 | CAIDA |
| AS44934 Arachsys Internet Services Ltd | 🇬🇧 GB | 0 | 3 | 67 | CAIDA |
| AS51572 Cerulean Solutions Limited | 🇬🇧 GB | 0 | 1 | 41 | CAIDA |
| AS206626 Professional Software Design Ltd | 🇬🇧 GB | 0 | 8 | 1 | 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.