91.240.2.0/23 Cambridge University Press (Holdings) Limited
Announced by AS198863 Cambridge University Press (Holdings) Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 91.240.2.0/23
Prefix
Origin
AS198863 CUP-AS
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 08:02 UTC
Paths
How 91.240.2.0/23 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 13760 3356 786 198863
| Origin | AS198863 Cambridge University Press (Holdings) Limited |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:500 3356:901 3356:2073 36601:150 36601:2001 36601:13760 |
| Updated | 20h 54m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 786 198863
| Origin | AS198863 Cambridge University Press (Holdings) Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 23h 12m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 786 198863
| Origin | AS198863 Cambridge University Press (Holdings) Limited |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 20h 55m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS198863 to originate 91.240.2.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 91.240.2.0/23 | /23 | AS198863 CUP-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 |
|---|---|---|---|---|
| 91.240.2.0/23 | AS198863 CUP-AS | RIPE | Route object for Cambridge | QUZAUK |