49.158.0.0/20
Nobody announces 49.158.0.0/20 on its own; it is covered by 49.158.0.0/16 AS24164 UBBNET-AS-TW. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 49.158.0.0/20
Prefix
Origin
not announced
Size
4,096 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 5 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 49.158.0.0/20 | /20 | AS24164 UBBNET-AS-TW | APNIC |
| 49.158.0.0/16 | /24 | AS24164 UBBNET-AS-TW | APNIC |
| 49.158.0.0/16 | /16 | AS24164 UBBNET-AS-TW | APNIC |
| 49.158.0.0/15 | /24 | AS24163 UBBNET-AS-TW | APNIC |
| 49.158.0.0/15 | /24 | AS24164 UBBNET-AS-TW | APNIC |
| 49.158.0.0/15 | /24 | AS24165 UBBNET-AS-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 |
|---|---|---|---|---|
| 49.158.0.0/20 | AS24164 UBBNET-AS-TW | RADB | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
| 49.158.0.0/18 covering | AS24164 UBBNET-AS-TW | NTTCOM | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
| 49.158.0.0/18 covering | AS24164 UBBNET-AS-TW | RADB | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
| 49.158.0.0/16 covering | AS24164 UBBNET-AS-TW | NTTCOM | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
| 49.158.0.0/16 covering | AS24164 UBBNET-AS-TW | RADB | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
| 49.158.0.0/15 covering | AS24164 UBBNET-AS-TW | RADB | Taiwan Fixed Network Proxy Announcement | MAINT-AS9924 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 49.158.0.0/20
2 announced prefixes fall inside this one.