2620:57:4005::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
Announced by AS38345 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. RPKI invalid Seen by 2 of our 5 looking glass sessions. Also originated by AS63363
Summary
What the table says about 2620:57:4005::/48
Prefix
Origin
AS38345 ZDNS
RPKI
RPKI invalid
Size
65,536 /64s
Less specific
none
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 16:06 UTC
Paths
How 2620:57:4005::/48 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
RPKI
Route origin authorizations
The covering ROA authorizes a different AS to originate this prefix. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2620:57:4005::/48 | /48 | AS63363 TUCOWS-TRS-DNS2 | ARIN |
| 2620:57:4000::/40 | /48 | AS62831 TUCOWS-TRS-SRS | ARIN |
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 |
|---|---|---|---|---|
| 2620:57:4005::/48 | AS63363 TUCOWS-TRS-DNS2 | RADB | TUCOWS-TRS-DNS2 | MAINT-AS15348 |
| 2620:57:4000::/40 covering | AS62831 TUCOWS-TRS-SRS | ALTDB | Proxy Registration for Uniregistry by Digital Realty | MAINT-TELX |