209.78.88.0/24 Comcast Cable Communications, LLC
Announced by AS33667 Comcast Cable Communications, LLC. RPKI invalid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 209.78.88.0/24
Prefix
Origin
AS33667 CMCS
RPKI
RPKI invalid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-12 16:02 UTC
RPKI
Route origin authorizations
The covering ROA authorizes a different AS to originate this prefix. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.78.88.0/24 | /24 | AS7018 ATT-INTERNET4 | 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 |
|---|---|---|---|---|
| 209.78.64.0/19 covering | AS7132 SBIS-AS | RADB | Fresno, CA SBC Internet Services | MAINT-AS7132 |
| 209.76.0.0/14 covering | AS7132 SBIS-AS | RADB | ARIN Allocation SBC Internet Services | MAINT-AS7132 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.