31.220.136.0/21 Alexej Senderkin
Announced by AS31078 Alexej Senderkin. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 31.220.136.0/21
Prefix
Origin
AS31078 NETWORKTOWN-AS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 00:02 UTC
Paths
How 31.220.136.0/21 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 9136 31078
| Origin | AS31078 Alexej Senderkin |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:501 3356:901 3356:2071 9136:100 9136:101 9136:102 9136:103 9136:202 9136:6000 9136:6002 36601:150 36601:2001 36601:13760 |
| Updated | 6d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9136 31078
| Origin | AS31078 Alexej Senderkin |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 13237 31078
| Origin | AS31078 Alexej Senderkin |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 1d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS31078 to originate 31.220.136.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 31.220.136.0/21 | /21 | AS31078 NETWORKTOWN-AS | RIPE |
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 |
|---|---|---|---|---|
| 31.220.136.0/21 | AS31078 NETWORKTOWN-AS | RIPE | Networktown PA Route | NETWORKTOWN-MNT |