113.21.237.0/24 China Telecom (Group)
Announced by AS4812 China Telecom (Group). RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 113.21.237.0/24
Prefix
Origin
AS4812 CHINANET-SH-AP
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 113.21.237.0/24 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 4134 4812
| Origin | AS4812 China Telecom (Group) |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4812
| Origin | AS4812 China Telecom (Group) |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4134 4812
| Origin | AS4812 China Telecom (Group) |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 4h 38m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4812 to originate 113.21.236.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 113.21.236.0/22 | /24 | AS4812 CHINANET-SH-AP | APNIC |
| 113.21.236.0/22 | /24 | AS17621 CNCGROUP-SH | APNIC |
| 113.21.236.0/22 | /24 | AS131314 CBC-AS-AP | 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 |
|---|---|---|---|---|
| 113.21.237.0/24 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 113.21.237.0/24 | AS17621 CNCGROUP-SH | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 113.21.237.0/24 | AS131314 CBC-AS-AP | NTTCOM | N | MAINT-CBCCOM-NOC |
| 113.21.237.0/24 | AS4812 CHINANET-SH-AP | RADB | Chinanet Shanghai | MAINT-AS4812 |