183.91.48.0/21 China Telecom Next Generation Carrier Network
Announced by AS4809 China Telecom Next Generation Carrier Network. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 183.91.48.0/21
Prefix
Origin
AS4809 CHINATELECOM-CORE-WAN-CN2
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
1
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 183.91.48.0/21 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 3356 4809
| Origin | AS4809 China Telecom Next Generation Carrier Network |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2003 4809:20413 36601:150 36601:2001 36601:13760 |
| Updated | 5d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4809
| Origin | AS4809 China Telecom Next Generation Carrier Network |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4809
| Origin | AS4809 China Telecom Next Generation Carrier Network |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4809 to originate 183.91.48.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 183.91.48.0/21 | /21 | AS4809 CHINATELECOM-CORE-WAN-CN2 | APNIC |
| 183.91.48.0/21 | /21 | AS23764 CTGNet | 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 |
|---|---|---|---|---|
| 183.91.48.0/21 | AS4809 CHINATELECOM-CORE-WAN-CN2 | APNIC | Chinatelecom Next Carrying Network Backbone HK | MAINT-CTGL-HK |
| 183.91.48.0/21 | AS23764 CTGNet | APNIC | China Telecom Global Limited 28/F, Everbright Center 108 Gloucester Road | MAINT-CTGL-HK |
| 183.91.48.0/21 | AS4809 CHINATELECOM-CORE-WAN-CN2 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
More specific
Prefixes inside 183.91.48.0/21
1 announced prefix fall inside this one.