81.2.128.0/18 Cogent Communications, LLC
Announced by AS174 Cogent Communications, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 81.2.128.0/18
Prefix
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
16,384 addresses
Less specific
none
More specifics
23
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 81.2.128.0/18 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 174
| Origin | AS174 Cogent Communications, LLC |
| Origin code | IGP |
| Communities | 174:21101 174:22008 36601:150 36601:174 36601:2001 |
| Updated | 5d 1h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174
| Origin | AS174 Cogent Communications, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 10h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 174
| Origin | AS174 Cogent Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 9h 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 |
|---|---|---|---|---|
| 81.2.128.0/18 | AS174 COGENT-174 | RIPE | C.C.D. Cogent Communications Deutschland GmbH | COGENT-ROUTE-MNT |
More specific
Prefixes inside 81.2.128.0/18
23 announced prefixes fall inside this one.
Show the 23 prefixes
81.2.128.0/24 AS19970 CARRIERDOMAIN-NYC81.2.130.0/24 AS174 COGENT-17481.2.132.0/22 AS203591 TecnoGeneral81.2.136.0/24 AS213671 FOURTHUTILITY-AS81.2.137.0/24 AS213671 FOURTHUTILITY-AS81.2.138.0/24 AS213671 FOURTHUTILITY-AS81.2.139.0/24 AS213671 FOURTHUTILITY-AS81.2.140.0/24 AS213671 FOURTHUTILITY-AS81.2.141.0/24 AS213671 FOURTHUTILITY-AS81.2.142.0/23 AS198545 FLEXNETWORK-AS81.2.144.0/22 AS208905 Exelera-AS81.2.148.0/24 AS201042 SD1-Telecom81.2.149.0/24 AS174 COGENT-17481.2.150.0/23 AS198545 FLEXNETWORK-AS81.2.152.0/21 AS48945 IFNL-AS81.2.160.0/21 AS48945 IFNL-AS81.2.168.0/21 AS48945 IFNL-AS81.2.176.0/21 AS48945 IFNL-AS81.2.184.0/24 AS208855 tr-mywifi81.2.187.0/24 AS209784 WIFISAX-NET81.2.188.0/23 AS208905 Exelera-AS81.2.190.0/24 AS205520 XTB81.2.191.0/24 AS200736 INALAN