2607:f220:41f::/48 National Library of Medicine
Announced by AS393689 National Library of Medicine. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2607:f220:41f::/48
Prefix
Origin
AS393689 NLM-NCCS
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-13 00:08 UTC
Paths
How 2607:f220:41f::/48 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 10886 393689
| Origin | AS393689 National Library of Medicine |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:2001 |
| Updated | 4d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 10886 393689
| Origin | AS393689 National Library of Medicine |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 5d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11164 393689
| Origin | AS393689 National Library of Medicine |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS393689 to originate 2607:f220:41f::/48 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2607:f220:41f::/48 | /48 | AS393689 NLM-NCCS | ARIN |
| 2607:f220:400::/40 | /48 | AS3527 NIH-NET | 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 |
|---|---|---|---|---|
| 2607:f220:41f::/48 | AS393689 NLM-NCCS | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 |
| 2607:f220:41f::/48 | AS393689 NLM-NCCS | ARIN | U.S. Dept. of Health and Human Services | MNT-UDHHS |
| 2607:f220:400::/43 covering | AS3527 NIH-NET | ARIN | National Library of Medicine | MNT-NIH |
| 2607:f220:400::/43 covering | AS3527 NIH-NET | RADB | Proxy-registered route object for NIH | MAINT-AS10886 |
| 2607:f220:400::/40 covering | AS3527 NIH-NET | ARIN | 9000 Rockville Pike MSC 4805 Bethesda MD 20892-4805 United States | MNT-NIH |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.