122.147.0.0/22
Nobody announces 122.147.0.0/22 on its own; it is covered by 122.147.0.0/19 AS9919 NCIC-TW. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 122.147.0.0/22
Prefix
Origin
not announced
Size
1,024 addresses
Less specific
More specifics
2
IRR route objects
2 exact, 14 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 122.147.0.0/20 | /24 | AS9919 NCIC-TW | APNIC |
| 122.147.0.0/16 | /24 | AS9919 NCIC-TW | APNIC |
| 122.146.0.0/15 | /24 | AS4780 SEEDNET | APNIC |
| 122.146.0.0/15 | /24 | AS9919 NCIC-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 |
|---|---|---|---|---|
| 122.147.0.0/22 | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/22 | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/21 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/21 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/20 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/20 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/19 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/19 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/18 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/18 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/17 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/17 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS9919 |
| 122.147.0.0/16 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.147.0.0/16 covering | AS9919 NCIC-TW | RADB | New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | MAINT-AS9919 |
| 122.146.0.0/15 covering | AS4780 SEEDNET | RADB | New Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 Taiwan | MAINT-AS4780 |
| 122.146.0.0/15 covering | AS9919 NCIC-TW | RADB | Proxy-registered route object | MAINT-AS3491 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 122.147.0.0/22
2 announced prefixes fall inside this one.