ASN Lookup Tool
AS30939 ISDEFE-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS30939
Organisation
INGENIERIA DE SISTEMAS PARA LA DEFENSA DE ESPANA..
Name
ISDEFE-AS
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#71,468 out of 76,909
Registry
Ripe
Registered Country
ES flag ES
Registered Country Name
Spain
Registered Date
2004-01-22
Registration Last Change
2019-12-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
ES flagTELEFONICA DE ESPANA S.A.U.
ES flagOrange Espagne SA
GB flagCOLT Technology Services Group Limited
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.