2001:b000::/21
Nobody announces 2001:b000::/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 2001:b000::/21
Prefix
Origin
not announced
Size
8,796,093,022,208 /64s
Less specific
none
More specifics
127
IRR route objects
1 exact, 0 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2001:b000::/21 | /48 | AS3462 HINET | 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 |
|---|---|---|---|---|
| 2001:b000::/21 | AS3462 HINET | RADB | (HiNet) Chunghwa Telecom Co., Ltd. | MAINT-AS3462 |
More specific
Prefixes inside 2001:b000::/21
127 announced prefixes fall inside this one.
Show the 127 prefixes
2001:b000:100::/40 AS3462 HINET2001:b000:400::/38 AS3462 HINET2001:b000:570::/48 AS131660 CHTCDN2001:b000:571::/48 AS131660 CHTCDN2001:b000:590::/48 AS131660 CHTCDN2001:b000:591::/48 AS131660 CHTCDN2001:b000:594::/48 AS131660 CHTCDN2001:b010::/28 AS3462 HINET2001:b011::/37 AS3462 HINET2001:b011:1000::/37 AS3462 HINET2001:b011:2000::/36 AS3462 HINET2001:b011:3000::/37 AS3462 HINET2001:b011:3800::/37 AS3462 HINET2001:b011:4000::/37 AS3462 HINET2001:b011:5c00::/38 AS3462 HINET2001:b011:6800::/37 AS3462 HINET2001:b011:7000::/37 AS3462 HINET2001:b011:7800::/38 AS3462 HINET2001:b011:7c00::/38 AS3462 HINET2001:b011:8000::/36 AS3462 HINET2001:b011:9800::/38 AS3462 HINET2001:b011:a400::/38 AS3462 HINET2001:b011:b000::/38 AS3462 HINET2001:b011:b800::/38 AS3462 HINET2001:b011:bc00::/38 AS3462 HINET2001:b011:c000::/37 AS3462 HINET2001:b011:d000::/38 AS3462 HINET2001:b011:d800::/38 AS3462 HINET2001:b011:e000::/38 AS3462 HINET2001:b011:e600::/39 AS3462 HINET2001:b011:f200::/39 AS3462 HINET2001:b011:fa00::/39 AS3462 HINET2001:b020::/27 AS3462 HINET2001:b030::/37 AS3462 HINET2001:b030:1000::/37 AS3462 HINET2001:b030:2000::/36 AS3462 HINET2001:b030:5c00::/38 AS3462 HINET2001:b030:7000::/37 AS3462 HINET2001:b030:7800::/38 AS3462 HINET2001:b030:7c00::/38 AS3462 HINET2001:b030:8000::/36 AS3462 HINET2001:b030:a400::/38 AS3462 HINET2001:b030:a800::/38 AS3462 HINET2001:b030:b000::/38 AS3462 HINET2001:b030:b800::/38 AS3462 HINET2001:b030:bc00::/38 AS3462 HINET2001:b030:c000::/37 AS3462 HINET2001:b030:d000::/38 AS3462 HINET2001:b030:d800::/38 AS3462 HINET2001:b030:f200::/39 AS3462 HINET2001:b030:fa00::/39 AS3462 HINET2001:b030:fc00::/39 AS3462 HINET2001:b030:fe00::/39 AS3462 HINET2001:b031::/37 AS3462 HINET2001:b031:1000::/37 AS3462 HINET2001:b031:2000::/36 AS3462 HINET2001:b031:5c00::/38 AS3462 HINET2001:b031:7000::/37 AS3462 HINET2001:b031:7800::/38 AS3462 HINET2001:b031:7c00::/38 AS3462 HINET2001:b031:8000::/36 AS3462 HINET2001:b031:a400::/38 AS3462 HINET2001:b031:a800::/38 AS3462 HINET2001:b031:b000::/38 AS3462 HINET2001:b031:b800::/38 AS3462 HINET2001:b031:bc00::/38 AS3462 HINET2001:b031:c000::/37 AS3462 HINET2001:b031:d000::/38 AS3462 HINET2001:b031:d800::/38 AS3462 HINET2001:b031:f200::/39 AS3462 HINET2001:b031:fa00::/39 AS3462 HINET2001:b031:fc00::/39 AS3462 HINET2001:b031:fe00::/39 AS3462 HINET2001:b032::/37 AS3462 HINET2001:b032:2000::/36 AS3462 HINET2001:b032:3000::/37 AS3462 HINET2001:b032:3800::/37 AS3462 HINET2001:b032:5c00::/38 AS3462 HINET2001:b032:7000::/37 AS3462 HINET2001:b032:8000::/36 AS3462 HINET2001:b032:a400::/38 AS3462 HINET2001:b032:c000::/37 AS3462 HINET2001:b034:b00::/44 AS3462 HINET2001:b034:1000::/44 AS3462 HINET2001:b040::/26 AS3462 HINET2001:b200::/32 AS9505 TWGATE-AP2001:b200:600::/40 AS9505 TWGATE-AP2001:b200:1e00::/40 AS9505 TWGATE-AP2001:b200:1f00::/40 AS9505 TWGATE-AP2001:b200:2000::/35 AS9505 TWGATE-AP2001:b200:2200::/40 AS9505 TWGATE-AP2001:b200:3e00::/40 AS9505 TWGATE-AP2001:b200:3f00::/40 AS9505 TWGATE-AP2001:b400::/23 AS17421 EMOME-NET2001:b400:d208::/45 AS17421 EMOME-NET2001:b400:d408::/45 AS17421 EMOME-NET2001:b400:e000::/36 AS17421 EMOME-NET2001:b400:e100::/44 AS17421 EMOME-NET2001:b400:e110::/44 AS17421 EMOME-NET2001:b400:e120::/44 AS17421 EMOME-NET2001:b400:e130::/44 AS17421 EMOME-NET2001:b400:e140::/44 AS17421 EMOME-NET2001:b400:e150::/44 AS17421 EMOME-NET2001:b400:e160::/44 AS17421 EMOME-NET2001:b400:e170::/44 AS17421 EMOME-NET2001:b400:e3e0::/44 AS17421 EMOME-NET2001:b400:e3f0::/44 AS17421 EMOME-NET2001:b400:e500::/44 AS17421 EMOME-NET2001:b400:e510::/44 AS17421 EMOME-NET2001:b400:e520::/44 AS17421 EMOME-NET2001:b400:e530::/44 AS17421 EMOME-NET2001:b400:e540::/44 AS17421 EMOME-NET2001:b400:e550::/44 AS17421 EMOME-NET2001:b400:e560::/44 AS17421 EMOME-NET2001:b400:e570::/44 AS17421 EMOME-NET2001:b400:e600::/44 AS17421 EMOME-NET2001:b400:e610::/44 AS17421 EMOME-NET2001:b400:e620::/44 AS17421 EMOME-NET2001:b400:e630::/44 AS17421 EMOME-NET2001:b400:e640::/44 AS17421 EMOME-NET2001:b400:e650::/44 AS17421 EMOME-NET2001:b400:e660::/44 AS17421 EMOME-NET2001:b400:e670::/44 AS17421 EMOME-NET2001:b400:f208::/45 AS17421 EMOME-NET2001:b400:f218::/45 AS17421 EMOME-NET2001:b400:f408::/45 AS17421 EMOME-NET2001:b400:f418::/45 AS17421 EMOME-NET