AS39537 SysGroup plc 🇬🇧 GB
Announcing 26 prefixes, seen at the RIS collectors.
IPv4 prefixes
23
30,464 (119 × /24)
IPv6 prefixes
3
1.1 × /32
Upstreams
2
transit providers observed
Peers
15
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
5
ASes reachable through it
Registry and operator data
- AS number
- AS39537
- Name
- SysGroup plc
- Organisation
- Hub Network Services
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2006-03-15
- Scope
- Not Disclosed
- Peering policy
- Selective
- Website
- http://www.hns.net
- PeeringDB
- net/12642
- Facilities
- 3
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 |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 72,243 | 1,961 | 577 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 67,317 | 3,961 | 518 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 56,739 | 236 | 299 | CAIDA |
| AS4657 StarHub Ltd | 🇸🇬 SG | 34,382 | 208 | 48 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 28,590 | 1 | 54 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 26,198 | 64 | 48 | CAIDA |
| AS20562 Open Peering (Broadband Hosting B.V.) | 🇳🇱 NL | 26,055 | 0 | 9 | CAIDA |
| AS3216 Vimpelcom PJSC | 🇷🇺 RU | 24,230 | 591 | 45 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 20,806 | 45 | 47 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 20,227 | 48 | 165 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 244 | 567 | 48 | CAIDA |
| AS29075 IELO-LIAZO SERVICES SAS | 🇫🇷 FR | 199 | 23 | 9 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 75 | 25 | 48 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 34 | 97 | 96 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 15 | 8 | 48 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 45 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 45 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS211124 CGI France SAS | 🇫🇷 FR | 0 | 33 | 933 | CAIDA |
| AS51491 SysGroup plc | 🇬🇧 GB | 0 | 2 | 84 | CAIDA |
| AS64415 Ashgoal Limited | 🇬🇧 GB | 0 | 3 | 30 | CAIDA |
| AS201261 The Watershed Arts Trust Ltd | 🇬🇧 GB | 0 | 1 | 16 | 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.