AS39537
SysGroup plc Unknown registered in United Kingdom
23IPv4 prefixes
3IPv6 prefixes
96%RPKI-valid
#4,400AS Rank
327/327RIS visibility
#141Rank in United Kingdom
2006-03-15Allocated
SysGroup plc (AS39537) — Unknown, registered in United Kingdom. announces 23 IPv4 prefixes + 3 IPv6 prefixes. Rank in United Kingdom: #141. Allocated: 2006-03-15.
IPv4 23IPv6 3
Announced prefixes · 26
- v4 109.69.80.0/21 valid
- v4 151.236.208.0/21 valid
- v4 185.105.64.0/23 valid
- v4 185.105.66.0/23 valid
- v4 185.122.216.0/22 valid
- v4 185.202.115.0/24 valid
- v4 185.49.236.0/22 valid
- v4 185.68.0.0/22 valid
- v4 185.71.24.0/22 valid
- v4 185.71.26.0/24 valid
- v4 195.94.112.0/20 valid
- v4 31.210.128.0/21 valid
- v4 31.210.132.0/24 valid
- v4 37.35.88.0/21 valid
- v4 45.145.180.0/22 valid
- v4 87.237.64.0/21 valid
- v4 91.207.50.0/23 unknown
- v4 93.95.12.0/22 valid
- v4 93.95.8.0/21 valid
- v4 93.95.8.0/22 valid
- v4 94.190.240.0/21 valid
- v4 94.190.242.0/23 valid
- v4 94.199.184.0/21 valid
- v6 2a01:500::/32 valid
- v6 2a03:25e0::/36 valid
- v6 2a09:fd40::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 23 IPv4 · 3 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 26 |
| 2026-06-13 | 26 |
Facilities · 3
- Digital Realty NYC (60 Hudson) New York
- Equinix MA1 - Manchester, Williams/Kilburn Manchester
- Telehouse - London (Docklands North) London
AS topology · Customer cone 5
Peers · 78
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