Autonomous system
AS39537: SysGroup plc
United Kingdom · consumer access network
Estimated users is a published estimate of how many people use this network, extrapolated from 33 observations over a 60 day window. Large operators often run several networks, so a low figure can mean their customers reach the internet through a sibling network.
What this tells you
- The population figure rests on 33 observations, so read it as an order of magnitude.
- The same operator runs 2 other networks, listed below.
Countries in this space
Space we can place in a country covers 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 100% | 100% |
Organisations holding assignments here
Registered organisations account for 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space. Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
| Organisation | IPv4 share | IPv6 share | |
|---|---|---|---|
| SysGroup plc | 92% | 100% | |
| Instiller Limited | 4% | <0.1% | |
| Penguin Internet Ltd | 2% | - | |
| Neteffekt Limited | 1% | - | |
| Everything else (1 more) | <0.1% | - |
Anonymizer signals
Flagged space covers 9% of this network's IPv4 space. The table below divides that space.
| Category | IPv4 share | |
|---|---|---|
| Open proxy | 100% | |
| Datacenter | 100% |
One address can carry more than one of these, so the rows add up to more than the space they cover.
Other networks from this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS16376 | SysGroup plc | - |
| AS51491 | SysGroup plc | - |
See the combined view for SysGroup plc, where all 3 of their networks are totalled together.
Every figure on this page is also JSON: /api/v2/directory/asn/39537. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.