221.128.248.0/21 Taiwan Network Information Center
Announced by AS18180 Taiwan Network Information Center. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 221.128.248.0/21
Prefix
Origin
AS18180 TWNIC-AS
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 7 covering
In RouteViews
2026-10-17 20:01 UTC
Paths
How 221.128.248.0/21 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 7029 1299 9002 932 136826 18180
| Origin | AS18180 Taiwan Network Information Center |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 8h 26m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 9002 932 136826 18180
| Origin | AS18180 Taiwan Network Information Center |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8h 26m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 932 136826 18180
| Origin | AS18180 Taiwan Network Information Center |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 10d 2h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 221.128.248.0/21 | AS18180 TWNIC-AS | RADB | Proxy Route | MAINT-AS134121 |
| 221.128.240.0/20 covering | AS55933 CLOUDIE-AS-AP | RADB | Customer Prefix | MAINT-AS134121 |
| 221.128.192.0/18 covering | AS10201 DWL-AS-IN | RADB | DWL-IN-VSNL Route Object | MAINT-VSNL-IN |
| 221.128.192.0/18 covering | AS18231 CROSSRIMS-AS-AP | RADB | IOL NETCOM -TATA Communications(Formerly VSNL) | MAINT-VSNL-IN |
| 221.128.192.0/18 covering | AS18231 CROSSRIMS-AS-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 221.128.128.0/17 covering | AS4755 TATACOMM-AS | RADB | Exatt Tech-VSNL Route Object | MAINT-VSNL-IN |
| 221.128.128.0/17 covering | AS18180 TWNIC-AS | RADB | Proxy Route | MAINT-AS134121 |
| 221.128.128.0/17 covering | AS55933 CLOUDIE-AS-AP | RADB | Customer Prefix | MAINT-AS134121 |