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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
156,416
Total IPv4 Prefixes
94
Total IPv6 Prefixes
65
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,349 out of 79,140
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2007-11-13
Registration Last Change
2025-04-08
Receiving From
ASN
Organisation
AS56662
PL flagMarcin Gondek
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS1103
NL flagSURF B.V.
Showing 5 of 71
Transit To
ASN
Organisation
AS44051
ES flagFornex Hosting S.L.
AS31400
DE flagfirstcolo GmbH
AS59939
LT flagWIBO Baltic UAB
AS1921
AT flagipcom GmbH
AS208621
GB flagLogicForge Limited
Showing 5 of 17
IPv4 Active Prefixes
PrefixRange FromRange To
5.132.158.0/245.132.158.05.132.158.255
5.154.181.0/245.154.181.05.154.181.255
5.183.95.0/245.183.95.05.183.95.255
31.172.80.0/2231.172.80.031.172.83.255
31.172.84.0/2431.172.84.031.172.84.255
Showing 5 of 94
IPv6 Active Prefixes
PrefixRange FromRange To
2001:1608::/322001:1608::2001:1608:ffff:ffff:ffff:ffff:ffff:ffff
2001:1638::/322001:1638::2001:1638:ffff:ffff:ffff:ffff:ffff:ffff
2a01:7e0::/432a01:7e0::2a01:7e0:1f:ffff:ffff:ffff:ffff:ffff
2a01:7e0:20::/452a01:7e0:20::2a01:7e0:27:ffff:ffff:ffff:ffff:ffff
2a01:7e0:28::/462a01:7e0:28::2a01:7e0:2b:ffff:ffff:ffff:ffff:ffff
Showing 5 of 65