20.137.184.0/21
Nobody announces 20.137.184.0/21 on its own; it is covered by 20.137.176.0/20 AS4237 CSC-IGN-FTW-AS4237. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 20.137.184.0/21
Prefix
Origin
not announced
Size
2,048 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 |
|---|---|---|---|
| 20.137.184.0/21 | /21 | AS202 CENTURYLINK-LEGACY-LVLT-202 | ARIN |
| 20.137.184.0/21 | /21 | AS203 CENTURYLINK-LEGACY-LVLT-203 | ARIN |
| 20.137.184.0/21 | /21 | AS3356 LEVEL3 | ARIN |
| 20.137.184.0/21 | /21 | AS3360 DXC-AS3360 | ARIN |
| 20.137.176.0/20 | /20 | AS202 CENTURYLINK-LEGACY-LVLT-202 | ARIN |
| 20.137.176.0/20 | /20 | AS203 CENTURYLINK-LEGACY-LVLT-203 | ARIN |
| 20.137.176.0/20 | /20 | AS3356 LEVEL3 | ARIN |
| 20.137.176.0/20 | /20 | AS4237 CSC-IGN-FTW-AS4237 | 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 |
|---|---|---|---|---|
| 20.137.184.0/21 | AS3360 DXC-AS3360 | ARIN | DXC Technology | MNT-ESLAC-Z |
| 20.137.184.0/21 | AS3360 DXC-AS3360 | RADB | DXC Technology | AS71-MNT |
| 20.137.176.0/20 covering | AS4237 CSC-IGN-FTW-AS4237 | ARIN | DXC Technology | MNT-ESLAC-Z |
| 20.137.176.0/20 covering | AS4237 CSC-IGN-FTW-AS4237 | RADB | DXC Technology | AS71-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.