128.211.20.0/24 Purdue University
Announced by AS397511 Purdue University. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 128.211.20.0/24
Prefix
Origin
AS397511 PURDUE-RESEARCH
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 00:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS397511 to originate 128.211.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 128.211.0.0/16 | /24 | AS17 PURDUE | ARIN |
| 128.211.0.0/16 | /24 | AS19782 INDIANAGIGAPOP | ARIN |
| 128.211.0.0/16 | /24 | AS397501 PURDUE-RESNET | ARIN |
| 128.211.0.0/16 | /24 | AS397511 PURDUE-RESEARCH | 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 |
|---|---|---|---|---|
| 128.211.20.0/24 | AS397511 PURDUE-RESEARCH | RADB | Purdue University | MAINT-IU |
| 128.211.0.0/16 covering | AS17 PURDUE | RADB | Purdue University | MAINT-IU |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.