218.30.189.0/24 ASN for TIANJIN Provincial Net of CT
Announced by AS17638 ASN for TIANJIN Provincial Net of CT. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 218.30.189.0/24
Prefix
Origin
AS17638 CHINATELECOM-TJ-AS-AP
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 218.30.189.0/24 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 17638
| Origin | AS17638 ASN for TIANJIN Provincial Net of CT |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 17638
| Origin | AS17638 ASN for TIANJIN Provincial Net of CT |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4134 17638
| Origin | AS17638 ASN for TIANJIN Provincial Net of CT |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 3h 35m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS17638 to originate 218.30.189.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 218.30.189.0/24 | /24 | AS17638 CHINATELECOM-TJ-AS-AP | APNIC |
| 218.30.0.0/15 | /15 | AS4134 CHINANET-BACKBONE | 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 |
|---|---|---|---|---|
| 218.30.189.0/24 | AS17638 CHINATELECOM-TJ-AS-AP | APNIC | China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | MAINT-CHINANET |
| 218.30.189.0/24 | AS17638 CHINATELECOM-TJ-AS-AP | RADB | ASN for TIANJIN Provincial Net of CT | MAINT-CT-GNOC |
| 218.30.0.0/15 covering | AS4134 CHINANET-BACKBONE | RADB | China Telecom Network | MAINT-CT-GNOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.