193.140.83.0/24 National Academic Network and Information Center
Announced by AS8517 National Academic Network and Information Center. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 193.140.83.0/24
Prefix
Origin
AS8517 ULAKNET
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-16 04:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8517 to originate 193.140.83.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 193.140.83.0/24 | /24 | AS8517 ULAKNET | RIPE |
| 193.140.0.0/16 | /24 | AS8517 ULAKNET | RIPE |
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 |
|---|---|---|---|---|
| 193.140.83.0/24 | AS8517 ULAKNET | RIPE | ULAK-NET | ULAKNET-MNT |
| 193.140.0.0/16 covering | AS8517 ULAKNET | RIPE | ULAKNET | ULAKNET-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.