203.78.200.0/22 Arcnet NTT MSC ISP
Announced by AS10204 Arcnet NTT MSC ISP. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.78.200.0/22
Prefix
Origin
AS10204 ARCNET-NTTMSC-MY
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 203.78.200.0/22 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 2914 10204
| Origin | AS10204 Arcnet NTT MSC ISP |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 10204
| Origin | AS10204 Arcnet NTT MSC ISP |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 10204
| Origin | AS10204 Arcnet NTT MSC ISP |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS10204 to originate 203.78.200.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.78.200.0/22 | /24 | AS10204 ARCNET-NTTMSC-MY | APNIC |
| 203.78.192.0/20 | /20 | AS2914 NTT-DATA-2914 | APNIC |
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 |
|---|---|---|---|---|
| 203.78.200.0/22 | AS10204 ARCNET-NTTMSC-MY | APNIC | NTT Ltd Japan Corporation Otemachi Place West Tower 32F, 2-3-1 Otemachi | MAINT-NTTGIN-JP |
| 203.78.192.0/20 covering | AS2914 NTT-DATA-2914 | APNIC | NTT Ltd Japan Corporation Otemachi Place West Tower 32F, 2-3-1 Otemachi | MAINT-NTTGIN-JP |
| 203.78.192.0/20 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTT NW Malaysia (64606) | MAINT-NTTCOM-BB |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.