AS51491
SysGroup plc
AS51491 is SysGroup plc (sysgroup.com). It announces 1,024 IPv4 addresses in 2 prefixes, and 0 IPv6 prefixes.
United Kingdom· RIPE NCC· allocated 2016-12-20· Hosting
1,024
IPv4 addresses announced
2
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
1,024
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United Kingdom1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SYSGROUP-WALES
- name
- SysGroup plc
- org
- ORG-SP277-RIPE
- org name
- SysGroup plc
- org address
- The Clove Gallery, Maguire Street, SE1 2NQ, London, UNITED KINGDOM
- org country
- GB
- country
- GB
- source
- ripe
- status
- ASSIGNED
- created
- 2016-12-20
- updated
- 2025-02-16
- maintainer
- RIPE-NCC-END-MNT|SYSGROUP-MNT
- abuse name
- Abuse-C Role
- abuse email
- abuse@sysgroup.com
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.59%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.20%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 185.33.184.0/23 | United Kingdom | Valid | 17 | 2026-10-02 |
| 185.33.186.0/23 | United Kingdom | Valid | 17 | 2026-10-02 |
00 · Evaluate
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01 · License
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Standard, for detection and decisions inside your own product and operations.
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