163.253.48.0/21
Nobody announces 163.253.48.0/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 163.253.48.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.253.48.0/21 | /21 | AS13436 INTERNET2-CONF | 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 |
|---|---|---|---|---|
| 163.253.48.0/21 | AS13436 INTERNET2-CONF | RADB | Internet2 TSG Conference Hosting | MAINT-AS11537 |