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Ricerca prefisso BGP

Inserisci un prefisso (o un singolo indirizzo). Risposta dalla nostra copia giornaliera della tabella di routing globale.

Esempi:

180.211.128.0/19

La vista di un solo collector (APNIC). Una rotta filtrata prima di raggiungerlo non è elencata.

Annunciato esattamente

  • 180.211.128.0/19AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.128.0
Registro
APNIC · Bangladesh · 1 ott 2009
Blocco assegnato
180.211.128.0 – 180.211.255.255

Rotte che lo coprono

1

Rotte più specifiche

16 più specifiche da 1 AS di origine
  • 180.211.129.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.129.0
  • 180.211.134.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.134.0
  • 180.211.135.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.135.0
  • 180.211.137.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.137.0
  • 180.211.141.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.141.0
  • 180.211.142.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.142.0
  • 180.211.143.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.143.0
  • 180.211.144.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.144.0
  • 180.211.145.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.145.0
  • 180.211.146.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.146.0
  • 180.211.147.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.147.0
  • 180.211.152.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.152.0
  • 180.211.153.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.153.0
  • 180.211.154.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.154.0
  • 180.211.156.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.156.0
  • 180.211.159.0/24AS45588Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.RPKI Valida180.211.159.0

Questo testo non è ancora disponibile in italiano. Viene mostrato in inglese finché non sarà pubblicata una traduzione.

On the internet, routes are announced as prefixes: an autonomous system tells its neighbours via BGP that it can deliver traffic for, say, 144.122.0.0/16 (Middle East Technical University, AS1967). This tool looks a prefix up in our daily copy of the global routing table and shows three things:

  • Exact announcements: which AS originates exactly this prefix. More than one origin (a MOAS) is normal for anycast services and some multihomed networks, and suspicious otherwise.
  • Covering routes: less-specific announcements that contain it. Traffic follows the most specific route, so a covering route matters if the more-specific one disappears.
  • More-specifics: announcements inside it, which may belong to other networks (customers, or a hijack).

Each announced route is also checked against the RPKI: whether a ROA authorises its origin AS.

The table is the view from APNIC’s route collector. Most of the global table is the same from everywhere, but a route that is filtered before it reaches that collector will not appear.

Domande frequenti

Why is my /24 not listed but a /16 is?

Your addresses are announced as part of the larger block, and no one announces the /24 separately. That is the normal case for most customers of a provider.

What is a more-specific hijack?

Someone announces a longer prefix inside your space. Because routers prefer the most specific route, traffic goes to them. RPKI with a strict max length makes such announcements invalid.

Can I enter a single address?

Yes. The tool then shows the most specific announced route that contains it.

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