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
18
settlement-free adjacencies
Downstreams
10
transit customers observed
Customer cone
17
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 | 67,515 | 3,894 | 1,248 | CAIDA |
| AS3257 GTT Communications Inc. | 🇺🇸 US | 65,696 | 1,909 | 663 | CAIDA |
| AS3223 Voxility LLP | 🇬🇧 GB | 39,514 | 378 | 84 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 57,402 | 241 | 615 | CAIDA |
| AS4637 Telstra International Limited | ðŸ‡ðŸ‡° HK | 45,543 | 669 | 6 | CAIDA |
| AS4657 StarHub Ltd | 🇸🇬 SG | 38,640 | 208 | 107 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 30,597 | 1 | 86 | CAIDA |
| AS9505 Taiwan Internet Gateway | 🇹🇼 TW | 28,476 | 36 | 3 | CAIDA |
| AS31500 Global Network Management Inc | 🇦🇬 AG | 24,517 | 40 | 82 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 24,283 | 64 | 120 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 24,078 | 45 | 132 | CAIDA |
| AS20562 Open Peering (Broadband Hosting B.V.) | 🇳🇱 NL | 22,335 | 0 | 3 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 20,333 | 47 | 324 | CAIDA |
| AS7575 Australian Academic and Research Network (AARNet) | 🇦🇺 AU | 586 | 201 | 120 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 243 | 575 | 106 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 75 | 25 | 103 | CAIDA |
| AS29169 GANDI SAS | 🇫🇷 FR | 48 | 8 | 7 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 33 | 97 | 197 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 17 | 7 | 68 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 111 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 10 | 39 | 121 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS31708 Coreix Ltd | 🇬🇧 GB | 6 | 23 | 1,481 | CAIDA |
| AS50882 Maxnett Ltd. | 🇬🇧 GB | 2 | 1 | 42 | CAIDA |
| AS49485 High Availability Hosting Limited | 🇬🇧 GB | 0 | 19 | 239 | CAIDA |
| AS218531 WallStreetDocs Ltd | 🇬🇧 GB | 0 | 2 | 80 | CAIDA |
| AS44934 Arachsys Internet Services Ltd | 🇬🇧 GB | 0 | 3 | 72 | CAIDA |
| AS59493 Cudo Ventures Ltd | 🇬🇧 GB | 0 | 3 | 72 | CAIDA |
| AS205434 BE SLOUGH DC UK LIMITED | 🇬🇧 GB | 0 | 11 | 66 | CAIDA |
| AS203035 Xara Computers (UK) Ltd | 🇬🇧 GB | 0 | 3 | 63 | 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.