Data as of Nov 5, 2026
37.35.94.0/23
No anonymizer space · no proxy exits in 30 daysSysGroup plc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.35.88.0/21 since Jan 2022 | AS39537 | Hosting | SysGroup plc |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.35.88.0/21 | 2,048 | UK-SYSGROUP-20120106 | SysGroup plc (ORG-SP277-RIPE) · GB | ALLOCATED PA | Feb 21, 2017 | abuse@ |
| └ 37. | 511 | NETPLAN | Assigned to PBX Hosting | ASSIGNED PA | Jul 30, 2013 | abuse@ via UK-SYSGROUP-20120106 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 37.35.92.0/22
- Prefix
- 37.35.92.0/22
- Announced by
- AS16376 SysGroup plc
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- UK-SYSGROUP-20120106
- Registrant
- SysGroup plc
- RIR
- RIPE NCC
Origin network
AS16376
GB
- Name
- SysGroup plc
- Type
- Hosting
- Registered
- Aug 18, 2015
- Domain
- sysgroup.com
- Website
- www.sysgroup.com/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
37.35.92.0/22
Routing history
- Pattern
- Stable
- First seen
- Nov 2018
- Current origin since
- Nov 2018 · 8.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.35.88.0/21 | AS16376 | /24 | RIPE | RPKI valid |
| 37.35.88.0/21 | AS20860 | /24 | RIPE | Another network |
| 37.35.88.0/21 | AS39537 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 37.
35. 88. 0/ 21 - Netname
- UK-SYSGROUP-20120106
- Registrant
- SysGroup plc
- Registrant country
- GB
- Organization
- SysGroup plc (ORG-SP277-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Feb 21, 2017
- Updated
- Feb 16, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Jan 6, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sysgroup. com - Name
- Abuse-C Role
- Handle
- AR38690-RIPE