221.137.128.0/18
Nobody announces 221.137.128.0/18 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 221.137.128.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 5 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 221.137.128.0/18 | /18 | AS9812 CNNIC-CN-COLNET | 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 |
|---|---|---|---|---|
| 221.137.128.0/18 | AS9812 CNNIC-CN-COLNET | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 221.137.0.0/16 covering | AS9812 CNNIC-CN-COLNET | APNIC | Oriental Cable Network Co., Ltd. No. 2860, Jinke Road, Zhangjiang Hi-tech Area Shanghai, P.R.China | MAINT-CNNIC-AP |
| 221.137.0.0/16 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 221.137.0.0/16 covering | AS9808 CHINAMOBILE-CN | NTTCOM | CMI IP Transit - from CMCC 2011 | MAINT-CMI-INT-HK |
| 221.137.0.0/16 covering | AS9812 CNNIC-CN-COLNET | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 221.137.0.0/16 covering | AS9812 CNNIC-CN-COLNET | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |