195.21.128.0/17 GTT Communications Inc.
Announced by AS3257 GTT Communications Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 195.21.128.0/17
Prefix
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
11
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-16 08:02 UTC
Paths
How 195.21.128.0/17 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 3257
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8d 5h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3257
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 1d 15h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 195.21.128.0/17 | AS3257 GTT-BACKBONE | RIPE | GTT | AS3257-ROUTE-MNT |
More specific
Prefixes inside 195.21.128.0/17
11 announced prefixes fall inside this one.
Show the 11 prefixes
195.21.128.0/24 AS13335 CLOUDFLARENET195.21.130.0/24 AS6079 RCN-AS195.21.131.0/24 AS219160 PRIVATASOLUTIONS-AS195.21.132.0/24 AS214159 CHERRYSERVERS5-AS195.21.134.0/24 AS199707 XINGTONGHUI195.21.135.0/24 AS402899 PTLHL195.21.148.0/24 AS13335 CLOUDFLARENET195.21.149.0/24 AS25369 BANDWIDTH-AS195.21.155.0/24 AS42960 VH-GLOBAL195.21.160.0/19 AS3491 PCCWG-APAC-HK195.21.192.0/18 AS3491 PCCWG-APAC-HK