121.91.136.0/23
Nobody announces 121.91.136.0/23 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 121.91.136.0/23
Prefix
Origin
not announced
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 121.91.136.0/21 | /24 | AS10099 UNICOM-Global | 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 |
|---|---|---|---|---|
| 121.91.136.0/23 | AS10099 UNICOM-Global | APNIC | China Unicom (Hong Kong) Operations Limited 28F, Tower 1, The gateway 25 Canton Road Tsim Sha Tsui | MAINT-HK-UNICOM |
| 121.91.136.0/22 covering | AS10099 UNICOM-Global | APNIC | China Unicom (Hong Kong) Operations Limited 28F, Tower 1, The gateway 25 Canton Road Tsim Sha Tsui | MAINT-HK-UNICOM |
| 121.91.136.0/21 covering | AS10099 UNICOM-Global | APNIC | China Unicom (Hong Kong) Operations Limited 28F, Tower 1, The gateway 25 Canton Road Tsim Sha Tsui | MAINT-HK-UNICOM |
| 121.91.136.0/21 covering | AS10099 UNICOM-Global | RADB | China Unicom (Hong Kong) Limited | MAINT-AS10099 |