163.253.83.0/24 Internet2
Announced by AS11537 Internet2. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 163.253.83.0/24
Prefix
Origin
AS11537 INTERNET2-RESEARCH-EDU
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 12:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS11537 to originate 163.253.83.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.253.83.0/24 | /24 | AS11537 INTERNET2-RESEARCH-EDU | ARIN |
| 163.253.82.0/23 | /23 | AS11164 INTERNET2-I2PX | ARIN |
| 163.253.0.0/16 | /16 | AS11537 INTERNET2-RESEARCH-EDU | 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 |
|---|---|---|---|---|
| 163.253.83.0/24 | AS11537 INTERNET2-RESEARCH-EDU | RADB | Internet2 CAIDA ROOTBEER Experiment | MAINT-AS11537 |
| 163.253.82.0/23 covering | AS11164 INTERNET2-I2PX | RADB | Internet2 CAIDA ROOTBEER Experiment | MAINT-AS11537 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.