61.66.0.0/16 New Century InfoComm Tech Co., Ltd.
Announced by AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 61.66.0.0/16
Prefix
Origin
AS9919 NCIC-TW
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
115
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 61.66.0.0/16 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 174 3491 4780 9919
| Origin | AS9919 New Century InfoComm Tech Co., Ltd. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9002 4780 9919
| Origin | AS9919 New Century InfoComm Tech Co., Ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 1d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4780 9919
| Origin | AS9919 New Century InfoComm Tech Co., Ltd. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9919 to originate 61.66.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 61.66.0.0/16 | /24 | AS4780 SEEDNET | APNIC |
| 61.66.0.0/16 | /24 | AS9919 NCIC-TW | 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 |
|---|---|---|---|---|
| 61.66.0.0/16 | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 61.66.0.0/16 | AS9919 NCIC-TW | RADB | New Century InfoComm Tech Co., Ltd. | MAINT-AS9919 |
| 61.64.0.0/14 covering | AS7497 CSTNET-AS-AP | RADB | Proxy-registered route object | MAINT-AS3491 |
More specific
Prefixes inside 61.66.0.0/16
115 announced prefixes fall inside this one.
Show the 115 prefixes
61.66.0.0/17 AS9919 NCIC-TW61.66.0.0/18 AS9919 NCIC-TW61.66.0.0/19 AS9919 NCIC-TW61.66.8.0/24 AS4780 SEEDNET61.66.9.0/24 AS4780 SEEDNET61.66.11.0/24 AS4780 SEEDNET61.66.12.0/24 AS4780 SEEDNET61.66.15.0/24 AS4780 SEEDNET61.66.20.0/24 AS4780 SEEDNET61.66.21.0/24 AS4780 SEEDNET61.66.22.0/24 AS4780 SEEDNET61.66.23.0/24 AS4780 SEEDNET61.66.24.0/24 AS4780 SEEDNET61.66.26.0/24 AS4780 SEEDNET61.66.29.0/24 AS9919 NCIC-TW61.66.31.0/24 AS9919 NCIC-TW61.66.32.0/19 AS9919 NCIC-TW61.66.33.0/24 AS4780 SEEDNET61.66.34.0/24 AS4780 SEEDNET61.66.38.0/24 AS4780 SEEDNET61.66.52.0/24 AS4780 SEEDNET61.66.53.0/24 AS4780 SEEDNET61.66.54.0/24 AS4780 SEEDNET61.66.55.0/24 AS4780 SEEDNET61.66.56.0/24 AS4780 SEEDNET61.66.58.0/24 AS4780 SEEDNET61.66.60.0/24 AS4780 SEEDNET61.66.64.0/18 AS9919 NCIC-TW61.66.64.0/19 AS9919 NCIC-TW61.66.66.0/24 AS4780 SEEDNET61.66.67.0/24 AS4780 SEEDNET61.66.68.0/24 AS4780 SEEDNET61.66.69.0/24 AS4780 SEEDNET61.66.71.0/24 AS4780 SEEDNET61.66.72.0/24 AS4780 SEEDNET61.66.73.0/24 AS4780 SEEDNET61.66.74.0/24 AS4780 SEEDNET61.66.75.0/24 AS4780 SEEDNET61.66.77.0/24 AS4780 SEEDNET61.66.78.0/24 AS9919 NCIC-TW61.66.79.0/24 AS9919 NCIC-TW61.66.80.0/24 AS4780 SEEDNET61.66.81.0/24 AS4780 SEEDNET61.66.84.0/24 AS4780 SEEDNET61.66.85.0/24 AS4780 SEEDNET61.66.86.0/24 AS4780 SEEDNET61.66.88.0/24 AS4780 SEEDNET61.66.89.0/24 AS4780 SEEDNET61.66.90.0/24 AS4780 SEEDNET61.66.91.0/24 AS4780 SEEDNET61.66.92.0/24 AS4780 SEEDNET61.66.93.0/24 AS4780 SEEDNET61.66.94.0/24 AS4780 SEEDNET61.66.95.0/24 AS4780 SEEDNET61.66.96.0/19 AS9919 NCIC-TW61.66.101.0/24 AS9919 NCIC-TW61.66.104.0/24 AS9919 NCIC-TW61.66.105.0/24 AS9919 NCIC-TW61.66.106.0/24 AS4780 SEEDNET61.66.107.0/24 AS4780 SEEDNET61.66.110.0/24 AS4780 SEEDNET61.66.111.0/24 AS4780 SEEDNET61.66.128.0/17 AS9919 NCIC-TW61.66.128.0/18 AS9919 NCIC-TW61.66.128.0/19 AS9919 NCIC-TW61.66.128.0/24 AS4780 SEEDNET61.66.129.0/24 AS4780 SEEDNET61.66.130.0/24 AS4780 SEEDNET61.66.133.0/24 AS9919 NCIC-TW61.66.137.0/24 AS4780 SEEDNET61.66.139.0/24 AS4780 SEEDNET61.66.143.0/24 AS4780 SEEDNET61.66.146.0/24 AS9919 NCIC-TW61.66.147.0/24 AS9919 NCIC-TW61.66.148.0/24 AS4780 SEEDNET61.66.150.0/24 AS9919 NCIC-TW61.66.151.0/24 AS9919 NCIC-TW61.66.152.0/24 AS4780 SEEDNET61.66.156.0/24 AS4780 SEEDNET61.66.157.0/24 AS4780 SEEDNET61.66.160.0/19 AS9919 NCIC-TW61.66.161.0/24 AS4780 SEEDNET61.66.162.0/24 AS4780 SEEDNET61.66.163.0/24 AS4780 SEEDNET61.66.165.0/24 AS4780 SEEDNET61.66.168.0/24 AS4780 SEEDNET61.66.169.0/24 AS4780 SEEDNET61.66.170.0/24 AS4780 SEEDNET61.66.171.0/24 AS4780 SEEDNET61.66.172.0/24 AS4780 SEEDNET61.66.173.0/24 AS4780 SEEDNET61.66.174.0/24 AS4780 SEEDNET61.66.175.0/24 AS4780 SEEDNET61.66.176.0/24 AS4780 SEEDNET61.66.177.0/24 AS4780 SEEDNET61.66.180.0/24 AS4780 SEEDNET61.66.183.0/24 AS4780 SEEDNET61.66.184.0/24 AS4780 SEEDNET61.66.185.0/24 AS4780 SEEDNET61.66.186.0/24 AS4780 SEEDNET61.66.187.0/24 AS4780 SEEDNET61.66.188.0/24 AS4780 SEEDNET61.66.189.0/24 AS4780 SEEDNET61.66.190.0/24 AS4780 SEEDNET61.66.191.0/24 AS4780 SEEDNET61.66.192.0/18 AS9919 NCIC-TW61.66.192.0/19 AS9919 NCIC-TW61.66.217.0/24 AS9919 NCIC-TW61.66.224.0/19 AS9919 NCIC-TW61.66.224.0/24 AS9919 NCIC-TW61.66.228.0/24 AS9919 NCIC-TW61.66.229.0/24 AS9919 NCIC-TW61.66.236.0/24 AS4780 SEEDNET61.66.238.0/24 AS9919 NCIC-TW61.66.239.0/24 AS9919 NCIC-TW