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Autonomous System

AS44066

firstcolo GmbH

Announced IPs
148,736
CIDR prefixes
132
ASN
AS44066

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 500-1000Gbps
Geographic scope Europe
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-FIRSTCOLO

Present at 3 internet exchanges: DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, Peering.cz, Frys-IX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
82.211.0.0/18 16.4K
11.7%
firstcolo GmbH DE
37.114.96.0/19 8.2K
0.0%
firstcolo GmbH DE
84.200.32.0/19 8.2K
3.0%
firstcolo GmbH DE Hesse Frankfurt am Main
84.200.160.0/19 8.2K
9.7%
firstcolo GmbH DE
84.200.224.0/19 8.2K
21.1%
firstcolo GmbH DE Hesse Frankfurt am Main
84.201.32.0/19 8.2K
2.9%
firstcolo GmbH DE
84.200.0.0/20 4.1K
4.0%
firstcolo GmbH DE
84.200.96.0/20 4.1K
68.5%
firstcolo GmbH DE
84.200.208.0/20 4.1K
25.4%
firstcolo GmbH DE
212.224.64.0/20 4.1K
15.6%
firstcolo GmbH DE
31.172.88.0/21 2.0K
14.9%
firstcolo GmbH DE
84.200.64.0/21 2.0K
2.1%
firstcolo GmbH DE North Rhine-Westphalia Eschweiler
84.200.112.0/21 2.0K
12.8%
firstcolo GmbH DE
84.200.136.0/21 2.0K
37.1%
firstcolo GmbH DE
84.200.144.0/21 2.0K
41.2%
firstcolo GmbH DE
212.79.216.0/21 2.0K
0.0%
firstcolo GmbH DE
212.224.96.0/21 2.0K
18.8%
firstcolo GmbH DE Hesse Neu-Isenburg
212.224.112.0/21 2.0K
6.7%
firstcolo GmbH DE Hesse Neu-Isenburg
62.223.44.0/22 1.0K
0.0%
firstcolo GmbH GB
79.133.36.0/22 1.0K
8.4%
firstcolo GmbH DE Hesse Frankfurt am Main
79.133.52.0/22 1.0K
5.2%
firstcolo GmbH DE
79.133.60.0/22 1.0K
26.0%
firstcolo GmbH DE
84.200.20.0/22 1.0K
26.3%
firstcolo GmbH DE
84.200.28.0/22 1.0K
7.1%
firstcolo GmbH DE
84.200.92.0/22 1.0K
78.0%
firstcolo GmbH DE
84.200.116.0/22 1.0K
0.0%
DE
84.200.120.0/22 1.0K
50.0%
firstcolo GmbH DE
84.200.132.0/22 1.0K
25.9%
firstcolo GmbH DE
84.200.156.0/22 1.0K
0.0%
firstcolo GmbH DE
84.200.196.0/22 1.0K
49.9%
firstcolo GmbH DE
84.200.200.0/22 1.0K
0.1%
firstcolo GmbH DE
84.201.0.0/22 1.0K
9.3%
firstcolo GmbH DE
84.201.8.0/22 1.0K
27.8%
firstcolo GmbH DE
84.201.16.0/22 1.0K
74.9%
firstcolo GmbH DE
84.201.28.0/22 1.0K
0.0%
firstcolo GmbH DE
91.222.176.0/22 1.0K
0.0%
firstcolo GmbH DE
109.232.120.0/22 1.0K
0.0%
firstcolo GmbH DE
159.100.0.0/22 1.0K
0.4%
firstcolo GmbH DE
185.15.8.0/22 1.0K
0.6%
firstcolo GmbH DE
185.92.160.0/22 1.0K
0.0%
firstcolo GmbH DE
185.160.0.0/22 1.0K
1.9%
firstcolo GmbH DE
185.171.204.0/22 1.0K
49.3%
firstcolo GmbH DE
193.107.120.0/22 1.0K
5.9%
firstcolo GmbH DE
194.187.164.0/22 1.0K
0.0%
firstcolo GmbH DE
212.79.212.0/22 1.0K
0.0%
firstcolo GmbH DE
212.224.80.0/22 1.0K
4.4%
firstcolo GmbH DE
212.224.108.0/22 1.0K
6.2%
firstcolo GmbH DE Hesse Neu-Isenburg
212.224.120.0/22 1.0K
6.3%
firstcolo GmbH DE
31.172.84.0/23 512
25.4%
firstcolo GmbH DE
79.133.34.0/23 512
2.1%
firstcolo GmbH DE
79.133.44.0/23 512
3.3%
firstcolo GmbH DE
79.133.48.0/23 512
6.1%
firstcolo GmbH DE
79.133.58.0/23 512
2.3%
firstcolo GmbH DE Hesse Frankfurt am Main
80.173.138.0/23 512
0.0%
firstcolo GmbH DE Hesse Frankfurt am Main
84.200.18.0/23 512
3.7%
firstcolo GmbH DE
84.200.74.0/23 512
47.1%
firstcolo GmbH DE Hesse Frankfurt am Main
84.200.78.0/23 512
0.6%
firstcolo GmbH DE
84.200.82.0/23 512
0.0%
firstcolo GmbH DE Hesse Frankfurt am Main
84.200.84.0/23 512
0.0%
firstcolo GmbH DE
84.200.112.0/23 512
0.0%
DE
84.200.126.0/23 512
99.8%
firstcolo GmbH DE
84.200.130.0/23 512
1.2%
firstcolo GmbH DE
84.200.152.0/23 512
48.8%
firstcolo GmbH DE
84.200.194.0/23 512
48.6%
firstcolo GmbH DE
84.200.206.0/23 512
0.0%
firstcolo GmbH DE
84.201.12.0/23 512
99.8%
firstcolo GmbH DE
84.201.22.0/23 512
52.5%
firstcolo GmbH DE
84.201.26.0/23 512
0.0%
firstcolo GmbH DE
159.100.4.0/23 512
0.8%
firstcolo GmbH DE
159.100.10.0/23 512
0.4%
firstcolo GmbH DE
185.197.166.0/23 512
0.0%
firstcolo GmbH DE
194.143.134.0/23 512
0.0%
firstcolo GmbH DE
212.224.84.0/23 512
4.7%
firstcolo GmbH DE
212.224.90.0/23 512
1.2%
firstcolo GmbH DE
212.224.94.0/23 512
2.5%
firstcolo GmbH DE
212.224.104.0/23 512
13.3%
firstcolo GmbH DE Hesse Neu-Isenburg
212.224.126.0/23 512
2.9%
firstcolo GmbH DE
5.10.251.0/24 256
8.6%
firstcolo GmbH AZ
5.132.158.0/24 256
5.9%
firstcolo GmbH AT
5.154.181.0/24 256
95.3%
firstcolo GmbH EE
31.172.81.0/24 256
0.4%
firstcolo GmbH DE
31.172.82.0/24 256
0.0%
firstcolo GmbH DE
31.172.86.0/24 256
10.2%
firstcolo GmbH DE
79.133.40.0/24 256
3.9%
firstcolo GmbH DE
79.133.47.0/24 256
0.4%
firstcolo GmbH DE
79.133.50.0/24 256
5.9%
firstcolo GmbH DE
84.200.25.0/24 256
0.0%
firstcolo GmbH DE
84.200.26.0/24 256
0.4%
firstcolo GmbH DE
84.200.72.0/24 256
94.5%
firstcolo GmbH DE
84.200.76.0/24 256
0.0%
firstcolo GmbH DE
84.200.86.0/24 256
0.0%
firstcolo GmbH DE
84.200.88.0/24 256
99.6%
firstcolo GmbH DE
84.200.90.0/24 256
0.4%
firstcolo GmbH DE
84.200.114.0/24 256
0.0%
NL
84.200.115.0/24 256
0.0%
DE
84.200.124.0/24 256
100.0%
firstcolo GmbH DE
84.200.129.0/24 256
0.0%
firstcolo GmbH DE
84.200.155.0/24 256
0.0%
firstcolo GmbH DE
84.200.204.0/24 256
0.0%
firstcolo GmbH DE
84.201.7.0/24 256
0.0%
firstcolo GmbH DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS44066 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
80.173.138.0/23 31,741 2026-08-31 02:33:03
185.210.137.0/24 31,493 2026-08-31 02:32:58
185.92.160.0/22 31,223 2026-08-31 02:33:03
85.137.31.0/24 30,483 2026-08-31 02:33:03
84.200.76.0/24 30,186 2026-08-31 02:32:58
84.200.145.0/24 29,800 2026-08-31 02:33:03
79.133.32.0/19 29,236 2026-08-31 02:33:02
82.211.0.0/18 29,168 2026-08-31 02:33:02
31.172.85.0/24 29,095 2026-08-31 02:33:02
188.92.0.0/24 29,066 2026-08-31 02:33:02
37.114.96.0/19 29,057 2026-08-31 02:33:02
5.132.158.0/24 28,963 2026-08-31 02:33:02
94.247.213.0/24 28,929 2026-08-31 02:33:02
84.200.39.0/24 28,838 2026-08-31 02:33:02
212.79.216.0/22 28,777 2026-08-31 02:33:02
159.100.4.0/24 28,770 2026-08-31 02:33:02
159.100.10.0/23 28,765 2026-08-31 02:33:02
95.156.195.0/24 28,662 2026-08-31 02:33:02
185.15.8.0/22 28,604 2026-08-31 02:33:02
193.108.168.0/24 28,583 2026-08-31 02:33:02
62.223.44.0/22 28,574 2026-08-31 02:33:02
185.197.167.0/24 28,552 2026-08-31 02:33:02
185.58.2.0/24 28,535 2026-08-31 02:33:02
212.79.220.0/22 28,509 2026-08-31 02:33:02
31.172.80.0/20 28,468 2026-08-31 02:33:02
84.200.0.0/16 28,394 2026-08-31 02:33:02
159.100.0.0/19 28,296 2026-08-31 02:33:02
193.107.120.0/22 28,205 2026-08-31 02:33:02
212.224.84.0/24 28,204 2026-08-31 02:33:02
185.197.165.0/24 28,154 2026-08-31 02:33:02
185.17.255.0/24 28,126 2026-08-31 02:33:02
212.79.212.0/22 28,104 2026-08-31 02:33:02
193.34.71.0/24 28,077 2026-08-31 02:33:02
185.197.166.0/24 28,056 2026-08-31 02:33:02
84.201.0.0/18 28,023 2026-08-31 02:33:02
185.133.33.0/24 27,991 2026-08-31 02:33:02
193.33.155.0/24 27,906 2026-08-31 02:33:02
5.154.181.0/24 27,903 2026-08-31 02:33:02
212.224.110.0/24 27,677 2026-08-31 02:33:02
194.187.164.0/22 27,514 2026-08-31 02:33:02
185.171.204.0/22 27,403 2026-08-31 02:33:02
212.224.104.0/24 27,400 2026-08-31 02:33:02
109.232.120.0/22 27,379 2026-08-31 02:33:02
185.160.0.0/22 27,367 2026-08-31 02:33:02
194.143.134.0/23 27,260 2026-08-31 02:33:02
91.222.176.0/22 27,229 2026-08-31 02:33:02
212.224.64.0/18 27,169 2026-08-31 02:33:02
114.69.227.0/24 27,142 2026-08-31 02:33:02
193.33.221.0/24 27,142 2026-08-31 02:33:02
195.190.9.0/24 26,999 2026-08-31 02:33:02

Showing top 50 of 73 announced prefixes by sample volume.

Frequently Asked Questions

What is AS44066?

AS44066 is an Autonomous System Number assigned to firstcolo GmbH. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS44066 announce?

AS44066 announces 148.7K IPv4 addresses distributed across 132 routed CIDR prefixes. The network is registered in Germany.

Who operates AS44066?

AS44066 is operated by firstcolo GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS44066 registered in?

AS44066 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-31 02:39:06 UTC
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