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ASN Lookup Tool
AS44066 DE-FIRSTCOLO

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS44066
Organisation
firstcolo GmbH
Name
DE-FIRSTCOLO
Total IPv4 Addresses
153,856
Total IPv4 Prefixes
87
Total IPv6 Prefixes
36
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,324 out of 78,217
Registry
Ripe
Registered Country
DE flag DE
Registered Country Name
Germany
Registered Date
2007-11-13
Registration Last Change
2024-12-18
Receiving From

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

ASN
Organisation
AS56662
PL flagMarcin Gondek
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications
AS3209
DE flagVodafone GmbH
AS3257
US flagGTT Communications Inc.
Showing 5 of 76
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS3257
US flagGTT Communications Inc.
AS8359
RU flagMTS PJSC
AS1299
SE flagArelion Sweden AB
AS42708
SE flagGleSYS AB
AS13194
LT flagUAB "Bite Lietuva"
Showing 5 of 38
IPv4 Active Prefixes

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

Prefix5.154.181.0/24
Range From5.154.181.0
Range To5.154.181.255
Prefix31.172.80.0/22
Range From31.172.80.0
Range To31.172.83.255
Prefix31.172.84.0/24
Range From31.172.84.0
Range To31.172.84.255
Prefix31.172.85.0/24
Range From31.172.85.0
Range To31.172.85.255
Prefix31.172.86.0/23
Range From31.172.86.0
Range To31.172.87.255
Showing 5 of 87
IPv6 Active Prefixes
Prefix2001:1608::/32
Range From2001:1608::
Range To2001:1608:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:1638::/32
Range From2001:1638::
Range To2001:1638:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a01:7e0::/43
Range From2a01:7e0::
Range To2a01:7e0:1f:ffff:ffff:ffff:ffff:ffff
Prefix2a01:7e0:20::/45
Range From2a01:7e0:20::
Range To2a01:7e0:27:ffff:ffff:ffff:ffff:ffff
Prefix2a01:7e0:28::/46
Range From2a01:7e0:28::
Range To2a01:7e0:2b:ffff:ffff:ffff:ffff:ffff
Showing 5 of 36
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.