61.57.152.0/21
Nobody announces 61.57.152.0/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 61.57.152.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 10 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 61.57.152.0/21 | /21 | AS18429 EXTRALAN-TW | APNIC |
| 61.57.144.0/20 | /24 | AS18429 EXTRALAN-TW | 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 |
|---|---|---|---|---|
| 61.57.152.0/21 | AS18429 EXTRALAN-TW | NTTCOM | Proxy-registered route object | MAINT-AS9924 |
| 61.57.152.0/21 | AS18429 EXTRALAN-TW | RADB | Proxy-registered route object | MAINT-AS9924 |
| 61.57.144.0/20 covering | AS18429 EXTRALAN-TW | NTTCOM | Taiwan Fixed Network | MAINT-AS9924 |
| 61.57.144.0/20 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 61.57.144.0/20 covering | AS17709 APT | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 61.57.128.0/19 covering | AS4780 SEEDNET | RADB | SeedNet (Customer Route, Taiwan Broadband Communications,. Ltd) | MAINT-AS4780 |
| 61.57.128.0/19 covering | AS9924 TFN-TW | RADB | Proxy Announcement | MAINT-AS9924 |
| 61.57.128.0/19 covering | AS18429 EXTRALAN-TW | RADB | SeedNet Proxy-registered route object (Customer Route: Extra-Lan Technologies Co, LTD.) | MAINT-AS4780 |
| 61.57.128.0/19 covering | AS131596 TBCOM-NET | RADB | Far Eastone Telecommunications Co., Ltd | MAINT-AS4780 |
| 61.57.128.0/18 covering | AS4780 SEEDNET | RADB | SeedNet (Customer Route, Taiwan Broadband Communications,. Ltd) | MAINT-AS4780 |
| 61.57.128.0/18 covering | AS131596 TBCOM-NET | RADB | Far Eastone Telecommunications Co., Ltd | MAINT-AS4780 |
| 61.57.0.0/16 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
More specific
Prefixes inside 61.57.152.0/21
2 announced prefixes fall inside this one.