27.128.208.0/20 Langfang,Hebei province, P.R.China
Announced by AS58539 Langfang,Hebei province, P.R.China. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 27.128.208.0/20
Prefix
Origin
AS58539 CHINATELECOM-Hebei-Langfang-IDC
RPKI
RPKI valid
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 16:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS58539 to originate 27.128.208.0/20 up to /20. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 27.128.208.0/20 | /20 | AS58539 CHINATELECOM-Hebei-Langfang-IDC | APNIC |
| 27.128.0.0/15 | /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 |
|---|---|---|---|---|
| 27.128.208.0/20 | AS58539 CHINATELECOM-Hebei-Langfang-IDC | RADB | LANG FANG IDC | MAINT-AS134760 |
| 27.128.0.0/15 covering | AS4134 CHINANET-BACKBONE | RADB | China Telecom Network | MAINT-CT-GNOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.