145.36.57.0/24 RELX GROUP PLC
Announced by AS33820 RELX GROUP PLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 145.36.57.0/24
Prefix
Origin
AS33820 REED-ELSEVIER-AS
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
5 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 145.36.57.0/24 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 16509 33820
| Origin | AS33820 RELX GROUP PLC |
| Origin code | IGP |
| Communities | 174:21101 174:22012 36601:150 36601:174 36601:2001 |
| Updated | 5d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 16509 33820
| Origin | AS33820 RELX GROUP PLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 16509 33820
| Origin | AS33820 RELX GROUP PLC |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 10h 20m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33820 to originate 145.36.57.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 145.36.57.0/24 | /24 | AS14618 AMAZON-AES | RIPE |
| 145.36.57.0/24 | /24 | AS16509 AMAZON-02 | RIPE |
| 145.36.57.0/24 | /24 | AS33820 REED-ELSEVIER-AS | 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 |
|---|---|---|---|---|
| 145.36.57.0/24 | AS16509 AMAZON-02 | RADB | Amazon EC2 Prefix | MAINT-AS16509 |
| 145.36.57.0/24 | AS33820 REED-ELSEVIER-AS | RADB | Amazon EC2 Prefix | MAINT-AS16509 |
| 145.36.57.0/24 | AS14618 AMAZON-AES | RIPE | N | UK-ELSEVIERLTD-1-MNT |
| 145.36.57.0/24 | AS16509 AMAZON-02 | RIPE | N | UK-ELSEVIERLTD-1-MNT |
| 145.36.57.0/24 | AS33820 REED-ELSEVIER-AS | RIPE | N | UK-ELSEVIERLTD-1-MNT |
| 145.36.0.0/16 covering | AS9580 REED-ELSEVIER-IND-APAC-AP | RADB | Elsevier-VSNL Route Object | MAINT-VSNL-IN |