209.23.192.0/22 NBCUniversal
Announced by AS17035 NBCUniversal. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 209.23.192.0/22
Prefix
Origin
AS17035 NBCUNI-17035
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 209.23.192.0/22 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 13760 3356 17035
| Origin | AS17035 NBCUniversal |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:86 3356:123 3356:575 3356:901 3356:2004 36601:150 36601:2001 36601:13760 |
| Updated | 5d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 17035
| Origin | AS17035 NBCUniversal |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 11h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 17035
| Origin | AS17035 NBCUniversal |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 11h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS17035 to originate 209.23.192.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.23.192.0/22 | /22 | AS7922 COMCAST-7922 | ARIN |
| 209.23.192.0/22 | /22 | AS17035 NBCUNI-17035 | ARIN |
| 209.23.192.0/18 | /18 | AS7922 COMCAST-7922 | 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 |
|---|---|---|---|---|
| 209.23.192.0/22 | AS17035 NBCUNI-17035 | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
| 209.23.192.0/21 covering | AS16748 COMCAST-TELECOMM-4 | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 209.23.192.0/20 covering | AS16748 COMCAST-TELECOMM-4 | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 209.23.192.0/18 covering | AS13385 COMCAST-TELECOMM | LEVEL3 | Comcast Commercial Services - Converged Infrastructure Agg Route | CTI-MNT |
| 209.23.192.0/18 covering | AS7922 COMCAST-7922 | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.