205.154.51.0/24 CENIC
Announced by AS2153 CENIC. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 205.154.51.0/24
Prefix
Origin
AS2153 CENIC-2153
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-15 04:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS2153 to originate 205.154.51.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 205.154.51.0/24 | /24 | AS2153 CENIC-2153 | 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 |
|---|---|---|---|---|
| 205.154.51.0/24 | AS2153 CENIC-2153 | ARIN | CENIC managed Science DMZ range | MNT-CENIC |
| 205.154.51.0/24 | AS2153 CENIC-2153 | RADB | CENIC managed Science DMZ range | MAINT-AS2150 |
| 205.154.0.0/16 covering | AS2152 CENIC-2152 | RADB | NETBLK-CSUNET-SOUTH3 | MAINT-AS2150 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.