42.246.0.0/15 China Education and Research Network Center
Announced by AS4538 China Education and Research Network Center. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 42.246.0.0/15
Prefix
Origin
AS4538 ERX-CERNET-BKB
RPKI
RPKI not found
Size
131,072 addresses
Less specific
none
More specifics
14
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 42.246.0.0/15 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 58453 4538×4
| Origin | AS4538 China Education and Research Network Center |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 1d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 4538×4
| Origin | AS4538 China Education and Research Network Center |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3491 4538×4
| Origin | AS4538 China Education and Research Network Center |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 6h 8m 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 |
|---|---|---|---|---|
| 42.246.0.0/15 | AS4538 ERX-CERNET-BKB | APNIC | CERNET | MAINT-CERNET-AP |
| 42.244.0.0/14 covering | AS4538 ERX-CERNET-BKB | APNIC | CERNET | MAINT-CERNET-AP |
| 42.244.0.0/14 covering | AS4538 ERX-CERNET-BKB | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
More specific
Prefixes inside 42.246.0.0/15
14 announced prefixes fall inside this one.
Show the 14 prefixes
42.247.0.0/19 AS4538 ERX-CERNET-BKB42.247.8.0/24 AS4538 ERX-CERNET-BKB42.247.9.0/24 AS4538 ERX-CERNET-BKB42.247.13.0/24 AS4538 ERX-CERNET-BKB42.247.18.0/24 AS4538 ERX-CERNET-BKB42.247.20.0/24 AS4538 ERX-CERNET-BKB42.247.22.0/24 AS4538 ERX-CERNET-BKB42.247.30.0/24 AS4538 ERX-CERNET-BKB42.247.44.0/24 AS4538 ERX-CERNET-BKB42.247.53.0/24 AS4538 ERX-CERNET-BKB42.247.58.0/24 AS4538 ERX-CERNET-BKB42.247.103.0/24 AS4538 ERX-CERNET-BKB42.247.107.0/24 AS4538 ERX-CERNET-BKB42.247.113.0/24 AS4538 ERX-CERNET-BKB