120.104.64.0/19 Department of Education, Hsinchu City
Announced by AS18043 Department of Education, Hsinchu City. RPKI valid Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 120.104.64.0/19
Prefix
Origin
AS18043 HCCG-AS
RPKI
RPKI valid
Size
8,192 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-15 12:02 UTC
Paths
How 120.104.64.0/19 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 18043
| Origin | AS18043 Department of Education, Hsinchu City |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 7d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18043 to originate 120.104.64.0/19 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 120.104.64.0/19 | /24 | AS18043 HCCG-AS | APNIC |
| 120.104.0.0/16 | /16 | AS9916 NCTU-TW | APNIC |
| 120.96.0.0/11 | /11 | AS1659 ERX-TANET-ASN1 | APNIC |
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 |
|---|---|---|---|---|
| 120.96.0.0/11 covering | AS1659 ERX-TANET-ASN1 | APNIC | Ministry of Education Computer Center 12F, No 106, Sec.2,Hoping E. Rd. Taipei | MAINT-TW-TWNIC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.