163.253.0.0/22 Internet2
Announced by AS11537 Internet2. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 163.253.0.0/22
Prefix
Origin
AS11537 INTERNET2-RESEARCH-EDU
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
2
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-14 04:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS11537 to originate 163.253.0.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.253.0.0/22 | /22 | AS11164 INTERNET2-I2PX | ARIN |
| 163.253.0.0/22 | /22 | AS11537 INTERNET2-RESEARCH-EDU | ARIN |
| 163.253.0.0/22 | /22 | AS396955 INTERNET2-BLEND | ARIN |
| 163.253.0.0/16 | /16 | AS11537 INTERNET2-RESEARCH-EDU | ARIN |
More specific
Prefixes inside 163.253.0.0/22
2 announced prefixes fall inside this one.