207.75.144.0/20 University of Michigan
Announced by AS36375 University of Michigan. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 207.75.144.0/20
Prefix
Origin
AS36375 UMICH-AS-5
RPKI
RPKI valid
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 20:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS36375 to originate 207.75.144.0/20 up to /20. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 207.75.144.0/20 | /20 | AS36375 UMICH-AS-5 | ARIN |
| 207.72.0.0/14 | /14 | AS237 MERIT-AS-14 | 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 |
|---|---|---|---|---|
| 207.75.144.0/20 | AS36375 UMICH-AS-5 | RADB | University of Michigan | MAINT-AS36375 |
| 207.72.0.0/14 covering | AS237 MERIT-AS-14 | RADB | MERIT Network Inc. 1000 Oakbrook Drive, Suite 200 Ann Arbor MI 48104, USA | MAINT-AS237 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.