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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
145,152
Total IPv4 Prefixes
143
Total IPv6 Prefixes
66
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,440 out of 79,094
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2007-11-13
Registration Last Change
2025-09-05
Receiving From
ASN
Organisation
AS56662
PL flagMarcin Gondek
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications, LLC
AS3257
US flagGTT Communications Inc.
AS2914
US flagNTT America, Inc.
Showing 5 of 66
Transit To
ASN
Organisation
AS214036
US flagUltahost, Inc.
AS44051
ES flagFornex Hosting S.L.
AS31400
DE flagfirstcolo GmbH
AS59939
LT flagWIBO Baltic UAB
AS1921
AT flagipcom GmbH
Showing 5 of 19
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
31.172.81.0/2431.172.81.031.172.81.255
31.172.82.0/2431.172.82.031.172.82.255
Showing 5 of 143
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 66