117.131.136.0/21 tianjin Mobile Communication Company Limited
Announced by AS38019 tianjin Mobile Communication Company Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 117.131.136.0/21
Prefix
Origin
AS38019 CMNET-V4TIANJIN-AS-AP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 8 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 117.131.136.0/21 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 58453 9808 38019
| Origin | AS38019 tianjin Mobile Communication Company Limited |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2003 36601:150 36601:2001 36601:13760 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 58453 9808 38019
| Origin | AS38019 tianjin Mobile Communication Company Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 58453 9808 38019
| Origin | AS38019 tianjin Mobile Communication Company Limited |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS38019 to originate 117.131.136.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 117.131.136.0/21 | /21 | AS38019 CMNET-V4TIANJIN-AS-AP | APNIC |
| 117.131.128.0/19 | /19 | AS38019 CMNET-V4TIANJIN-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 |
|---|---|---|---|---|
| 117.131.136.0/21 | AS38019 CMNET-V4TIANJIN-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 117.131.128.0/19 covering | AS38019 CMNET-V4TIANJIN-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 117.131.128.0/19 covering | AS38019 CMNET-V4TIANJIN-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 117.131.0.0/16 covering | AS9808 CHINAMOBILE-CN | APNIC | China Mobile communications corporation | MAINT-CN-CMCC |
| 117.131.0.0/16 covering | AS45120 CMNET3-AS-AP | NTTCOM | ChinaMobile-JP-1 route object | MAINT-NTTCOM-BB |
| 117.128.0.0/14 covering | AS9808 CHINAMOBILE-CN | APNIC | China Mobile communications corporation | MAINT-CN-CMCC |
| 117.128.0.0/14 covering | AS45120 CMNET3-AS-AP | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 117.128.0.0/10 covering | AS9808 CHINAMOBILE-CN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 117.128.0.0/10 covering | AS9808 CHINAMOBILE-CN | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.