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Autonomous System

AS44066

firstcolo GmbH

Announced IPs
149,760
CIDR prefixes
136
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 v1.1.0 — 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
38.19.198.0/24 256
34.4%
firstcolo GmbH US
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
80.91.79.0/24 256
41.0%
firstcolo GmbH US
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

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 6,694 2026-07-18 12:13:08
185.92.160.0/22 5,346 2026-07-18 12:13:08
85.137.31.0/24 5,074 2026-07-18 12:13:08
5.132.158.0/24 5,013 2026-07-18 12:13:08
5.10.251.0/24 4,980 2026-07-18 12:13:08
38.19.198.0/24 4,942 2026-07-18 12:13:08
5.154.181.0/24 4,920 2026-07-18 12:13:08
31.172.85.0/24 4,905 2026-07-18 12:13:08
37.114.96.0/19 4,854 2026-07-18 12:13:08
185.210.137.0/24 4,846 2026-07-18 12:13:03
31.172.80.0/20 4,791 2026-07-18 12:13:08
79.133.32.0/19 4,781 2026-07-18 12:13:03
84.200.76.0/24 4,771 2026-07-18 12:13:03
82.211.0.0/18 4,769 2026-07-18 12:13:03
188.92.0.0/24 4,747 2026-07-18 12:13:03
154.46.30.0/24 4,737 2026-07-18 12:13:03
159.100.10.0/23 4,727 2026-07-18 12:13:08
159.100.4.0/24 4,718 2026-07-18 12:13:08
62.223.44.0/22 4,706 2026-07-18 12:13:08
84.200.39.0/24 4,706 2026-07-18 12:13:08
212.79.216.0/22 4,689 2026-07-18 12:13:08
154.13.149.0/24 4,684 2026-07-18 12:13:08
185.197.167.0/24 4,678 2026-07-18 12:13:08
185.58.2.0/24 4,678 2026-07-18 12:13:08
185.15.8.0/22 4,671 2026-07-18 12:13:08
212.79.220.0/22 4,652 2026-07-18 12:13:08
84.201.0.0/18 4,650 2026-07-18 12:13:08
185.197.166.0/24 4,643 2026-07-18 12:13:08
185.197.165.0/24 4,641 2026-07-18 12:13:08
193.107.120.0/22 4,640 2026-07-18 12:13:08
94.247.213.0/24 4,637 2026-07-18 12:13:03
109.232.120.0/22 4,637 2026-07-18 12:13:08
159.100.0.0/19 4,634 2026-07-18 12:13:08
84.200.0.0/16 4,629 2026-07-18 12:13:08
95.156.195.0/24 4,623 2026-07-18 12:13:08
193.33.155.0/24 4,618 2026-07-18 12:13:08
212.79.212.0/22 4,612 2026-07-18 12:13:08
212.224.110.0/24 4,603 2026-07-18 12:13:08
194.187.164.0/22 4,602 2026-07-18 12:13:08
193.108.168.0/24 4,601 2026-07-18 12:13:08
212.224.84.0/24 4,597 2026-07-18 12:13:08
185.171.204.0/22 4,591 2026-07-18 12:13:08
212.224.104.0/24 4,585 2026-07-18 12:13:08
80.91.79.0/24 4,580 2026-07-18 12:13:08
194.143.134.0/23 4,560 2026-07-18 12:13:08
185.17.255.0/24 4,554 2026-07-18 12:13:08
212.224.64.0/18 4,548 2026-07-18 12:13:08
185.133.33.0/24 4,538 2026-07-18 12:13:08
193.34.71.0/24 4,529 2026-07-18 12:13:08
196.16.220.0/24 4,514 2026-07-18 11:59:57

Showing top 50 of 68 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 149.8K IPv4 addresses distributed across 136 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: 2026-07-18 12:10:33 UTC
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