213.91.0.0/18 Alter Way SAS
Announced by AS13273 Alter Way SAS. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 213.91.0.0/18
Prefix
Origin
AS13273 ALTERWAY-OPS
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 213.91.0.0/18 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 30781 13273
| Origin | AS13273 Alter Way SAS |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:502 3356:901 3356:2066 30781:22009 30781:33000 30781:40000 30781:65000 30781:65010 36601:150 36601:2001 36601:13760 65000:15763 |
| Updated | 5d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 30781 13273
| Origin | AS13273 Alter Way SAS |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 30781 13273
| Origin | AS13273 Alter Way SAS |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS13273 to originate 213.91.0.0/18 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 213.91.0.0/18 | /24 | AS13273 ALTERWAY-OPS | 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 |
|---|---|---|---|---|
| 213.91.0.0/18 | AS13273 ALTERWAY-OPS | RIPE | France-Teaser / Accelance MSP | MNT-SMILE |
More specific
Prefixes inside 213.91.0.0/18
2 announced prefixes fall inside this one.