2400:a980:4000::/40 CERNET Internet Data Center
Announced by AS38587 CERNET Internet Data Center. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2400:a980:4000::/40
Prefix
Origin
AS38587 CERNET-IDC-AP
RPKI
RPKI valid
Size
16,777,216 /64s
Less specific
More specifics
1
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 16:06 UTC
Paths
How 2400:a980:4000::/40 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 6939 23911 23910 38587
| Origin | AS38587 CERNET Internet Data Center |
| Origin code | IGP |
| Communities | 7029:2089 36601:150 36601:2001 |
| Updated | 7d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6939 23911 23910 38587
| Origin | AS38587 CERNET Internet Data Center |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 7d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 23911 23910 38587
| Origin | AS38587 CERNET Internet Data Center |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS38587 to originate 2400:a980:4000::/40 up to /40. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2400:a980:4000::/40 | /40 | AS38587 CERNET-IDC-AP | APNIC |
| 2400:a980::/29 | /29 | AS133111 CNT-northChina | 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 |
|---|---|---|---|---|
| 2400:a980:4000::/40 | AS38587 CERNET-IDC-AP | APNIC | CERNET New Technology Co., Ltd CERNET Tower, Tsinghua Science Park Building 8 | MAINT-CNTCL-CN |
| 2400:a980::/29 covering | AS133111 CNT-northChina | APNIC | CERNET New Technology Co., Ltd CERNET Tower, Tsinghua Science Park Building 8 | MAINT-CNTCL-CN |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 2400:a980:4000::/40
1 announced prefix fall inside this one.