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ASN Lookup Tool
AS12638 AS12638

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12638
Organisation
Telefonica Germany GmbH & Co.OHG
Name
AS12638
Total IPv4 Addresses
573440
Total IPv4 Prefixes
4
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#550 out of 77,281
Registry
Ripe
Registered Country
DE flag DE
Registered Country Name
Germany
Registered Date
1970-01-01
Registration Last Change
2019-12-04
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS6805
DE flagTelefonica Germany GmbH & Co.OHG
AS3292
DK flagTDC Holding A/S
AS9498
IN flagBharti Airtel Limited
AS6461
US flagZayo Bandwidth
Showing 5 of 35
IPv4 Active Prefixes

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

Prefix5.1.128.0/17
Range From5.1.128.0
Range To5.1.255.255
Prefix176.0.0.0/13
Range From176.0.0.0
Range To176.7.255.255
Prefix193.7.128.0/19
Range From193.7.128.0
Range To193.7.159.255
Prefix212.23.96.0/19
Range From212.23.96.0
Range To212.23.127.255
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.