128.177.43.0/24 InterSystems Corporation
Announced by AS400523 InterSystems Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 128.177.43.0/24
Prefix
Origin
AS400523 INTERSYSTEMS
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 128.177.43.0/24 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 6461 400523
| Origin | AS400523 InterSystems Corporation |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 400523
| Origin | AS400523 InterSystems Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 400523
| Origin | AS400523 InterSystems Corporation |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 18h 9m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS400523 to originate 128.177.43.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 128.177.43.0/24 | /24 | AS400523 INTERSYSTEMS | ARIN |
| 128.177.0.0/16 | /16 | AS6461 ZAYO-6461 | ARIN |
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 |
|---|---|---|---|---|
| 128.177.43.0/24 | AS400523 INTERSYSTEMS | ARIN | Zayo Bandwidth | MNT-ZAYOB |
| 128.177.0.0/16 covering | AS6461 ZAYO-6461 | ARIN | Zayo Group | MNT-ZAYOB |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.