AS209771
SYSN LTD
AS209771 is SYSN LTD (sysn.co.uk). It announces 0 IPv4 addresses in 0 prefixes, and 5 IPv6 prefixes.
United Kingdom· RIPE NCC· allocated 2018-12-05· Hosting· sysn.co.uk
0
IPv4 addresses announced
0
IPv4 prefixes
5
IPv6 prefixes
60.00%
of its routes RPKI-valid
0
of its IPv4 geolocated
0
countries
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
None of its IPv4 is geolocated, or it announces only IPv6.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SYSN
- name
- SYSN LTD
- org
- ORG-SL977-RIPE
- org name
- SYSN LTD
- org address
- 27 Old Gloucester Street, London WC1N 3AX, United Kingdom
- org country
- GB
- country
- GB
- source
- ripe
- status
- ASSIGNED
- created
- 2018-12-05
- updated
- 2026-09-14
- remarks
- For any inquiries use: noc@sysn.co.uk / ============ TRANSIT PROVIDERS ============ / Meerfarbig / Hurricane Electric / Openfactory / SDRmedia Verwaltungs GmbH / Hop179 OU / ============== IXP ============== / LocIX / KleyReX / ========== DIRECT PEERS ========== / Cloudflare
- maintainer
- RIPE-NCC-END-MNT|SYSN-MNT
- abuse name
- SYSN LTD Abuse Department
- abuse email
- abuse@sysn.co.uk
- 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.
- 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
- None here
- None here
- None here
- None here
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a0c:6500:23e:: | The Netherlands | Valid | 19 | 2026-10-02 |
| 2a0c:6500:23f:: | Germany | Valid | 19 | 2026-10-02 |
| 2a0e:46c6:4fe:: | The Netherlands | Not found | 19 | 2026-10-02 |
| 2a0e:46c6:4ff:: | Germany | Not found | 19 | 2026-10-02 |
| 2a13:9500:44:: | United Kingdom | Valid | 19 | 2026-10-02 |
00 · Evaluate
Test the real build first.
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01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.