37.35.88.0/21 SysGroup plc
Announced by AS39537 SysGroup plc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.35.88.0/21
Prefix
Origin
AS39537 HNS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths
How 37.35.88.0/21 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 39537
| Origin | AS39537 SysGroup plc |
| Origin code | IGP |
| Communities | 174:21101 174:22012 36601:150 36601:174 36601:2001 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 39537
| Origin | AS39537 SysGroup plc |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 39537
| Origin | AS39537 SysGroup plc |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS39537 to originate 37.35.88.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.35.88.0/21 | /24 | AS16376 SYSGROUP-PLC | RIPE |
| 37.35.88.0/21 | /24 | AS20860 IOMART-AS | RIPE |
| 37.35.88.0/21 | /24 | AS39537 HNS | RIPE |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 37.35.88.0/21 | AS16376 SYSGROUP-PLC | RIPE | Netplan IP Block | SYSGROUP-MNT |
More specific
Prefixes inside 37.35.88.0/21
2 announced prefixes fall inside this one.