221.128.240.0/22 Taiwan Network Information Center
Announced by AS18180 Taiwan Network Information Center. RPKI not found Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 221.128.240.0/22
Prefix
Origin
AS18180 TWNIC-AS
RPKI
RPKI not found
Size
1,024 addresses
Less specific
none
More specifics
2
IRR route objects
0 exact, 7 covering
In RouteViews
2026-10-17 00:01 UTC
Paths
How 221.128.240.0/22 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.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 4635 134196 18180
| Origin | AS18180 Taiwan Network Information Center |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 3d 1h 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 |
|---|---|---|---|---|
| 221.128.240.0/20 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 |
More specific
Prefixes inside 221.128.240.0/22
2 announced prefixes fall inside this one.