123.172.0.0/20
Nobody announces 123.172.0.0/20 on its own; it is covered by 123.172.0.0/19 AS4809 CHINATELECOM-CORE-WAN-CN2. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 123.172.0.0/20
Prefix
Origin
not announced
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 2 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 123.172.0.0/20 | /20 | AS17896 CHINATELECOM-JL-AS-AP | APNIC |
| 123.172.0.0/19 | /19 | AS4809 CHINATELECOM-CORE-WAN-CN2 | APNIC |
| 123.172.0.0/15 | /15 | AS4134 CHINANET-BACKBONE | 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 |
|---|---|---|---|---|
| 123.172.0.0/20 | AS17896 CHINATELECOM-JL-AS-AP | APNIC | CHINANET JILIN PROVINCE NETWORK | MAINT-CHINANET-JL, MAINT-CHINANET |
| 123.172.0.0/20 | AS17896 CHINATELECOM-JL-AS-AP | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 123.172.0.0/19 covering | AS4809 CHINATELECOM-CORE-WAN-CN2 | RADB | China Telecom Global Limited | MAINT-CT-GNOC |
| 123.172.0.0/15 covering | AS4134 CHINANET-BACKBONE | RADB | China Telecom Network | MAINT-CT-GNOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.