205.156.184.0/21 MMC
Announced by AS21874 MMC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 205.156.184.0/21
Prefix
Origin
AS21874 MMC
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 1 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 205.156.184.0/21 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 174 577 21874
| Origin | AS21874 MMC |
| Origin code | IGP |
| Communities | 174:21001 174:22003 36601:150 36601:174 36601:2001 |
| Updated | 7d 17h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 577 21874
| Origin | AS21874 MMC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 577 21874
| Origin | AS21874 MMC |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 6h 46m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS21874 to originate 205.156.184.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 205.156.184.0/21 | /21 | AS19905 SECURITYSERVICES | ARIN |
| 205.156.184.0/21 | /21 | AS21874 MMC | 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 |
|---|---|---|---|---|
| 205.156.184.0/21 | AS21874 MMC | ARIN | TOR99 | MNT-MARSHI-1 |
| 205.156.184.0/21 | AS19905 SECURITYSERVICES | RADB | AC_MARSHMCLEN | MAINT-AS19905 |
| 205.156.184.0/21 | AS21874 MMC | RADB | Proxy route on behalf of AS21874 | MAINT-AS23498 |
| 205.156.128.0/18 covering | AS17161 MMC | RADB | PNAP-NYM chl-1 | MAINT-AS1828 |