74.123.172.0/22 New York Medical College
Announced by AS18948 New York Medical College. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 74.123.172.0/22
Prefix
Origin
AS18948 NYMC2000-ARIN
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 74.123.172.0/22 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 6128×2 54004 18948
| Origin | AS18948 New York Medical College |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 16h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128 54004 18948
| Origin | AS18948 New York Medical College |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128 54004 18948
| Origin | AS18948 New York Medical College |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18948 to originate 74.123.172.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 74.123.172.0/22 | /22 | AS18948 NYMC2000-ARIN | ARIN |
| 74.123.168.0/21 | /21 | AS18948 NYMC2000-ARIN | 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 |
|---|---|---|---|---|
| 74.123.172.0/22 | AS18948 NYMC2000-ARIN | ARIN | New York Medical College | MNT-NYMC |
| 74.123.172.0/22 | AS18948 NYMC2000-ARIN | RADB | DC | MAINT-AS18948 |
| 74.123.168.0/21 covering | AS18948 NYMC2000-ARIN | ARIN | New York Medical College | MNT-NYMC |
| 74.123.168.0/21 covering | AS18948 NYMC2000-ARIN | RADB | New York Medical College | MAINT-AS18948 |