111.31.13.0/24 tianjin Mobile Communication Company Limited
Announced by AS38019 tianjin Mobile Communication Company Limited. RPKI invalid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 111.31.13.0/24
Prefix
Origin
AS38019 CMNET-V4TIANJIN-AS-AP
RPKI
RPKI invalid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 8 covering
In RouteViews
2026-10-14 04:02 UTC
RPKI
Route origin authorizations
AS38019 does hold a ROA covering this prefix, but the announcement is more specific than that ROA's maximum length allows. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 111.31.13.0/24 | /24 | AS9808 CHINAMOBILE-CN | APNIC |
| 111.31.0.0/20 | /20 | AS9808 CHINAMOBILE-CN | APNIC |
| 111.31.0.0/18 | /18 | AS38019 CMNET-V4TIANJIN-AS-AP | APNIC |
| 111.31.0.0/17 | /17 | 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 |
|---|---|---|---|---|
| 111.31.0.0/20 covering | AS9808 CHINAMOBILE-CN | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 111.31.0.0/18 covering | AS38019 CMNET-V4TIANJIN-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 111.31.0.0/18 covering | AS38019 CMNET-V4TIANJIN-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 111.31.0.0/17 covering | AS38019 CMNET-V4TIANJIN-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 111.31.0.0/17 covering | AS38019 CMNET-V4TIANJIN-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 111.0.0.0/10 covering | AS9808 CHINAMOBILE-CN | APNIC | China Mobile communications corporation | MAINT-CN-CMCC |
| 111.0.0.0/10 covering | AS9808 CHINAMOBILE-CN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 111.0.0.0/10 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.