AS40021 Contabo Inc.

Company Website:

Looking Glass:

https://bgp.he.net/lg/40021

Country of Origin:

Prefixes Originated (all): 95
Prefixes Originated (v4): 90
Prefixes Originated (v6): 5

Prefixes Announced (all): 95
Prefixes Announced (v4): 90
Prefixes Announced (v6): 5

RPKI Originated Valid (all): 59
RPKI Originated Valid (v4): 54
RPKI Originated Valid (v6): 5

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 4
BGP Peers Observed (v4): 4
BGP Peers Observed (v6): 3

IPs Originated (v4): 139,264
AS Paths Observed (v4): 1,574
AS Paths Observed (v6): 783

Average AS Path Length (all): 4.137
Average AS Path Length (v4): 4.186
Average AS Path Length (v6): 4.037

AS40021 IPv4 Peers

ASN	Name
AS174	Cogent Communications, LLC
AS3356	Level 3 Parent, LLC
AS46887	Crown Castle Fiber LLC

AS40021 IPv6 Peers

ASN	Name
AS3356	Level 3 Parent, LLC
AS174	Cogent Communications, LLC
AS46887	Crown Castle Fiber LLC

AS40021 IPv4 Peer Count

AS40021 IPv6 Peer Count

AS40021 IPv4 Prefixes Announced

AS40021 IPv6 Prefixes Announced

AS40021 IPv4 Prefixes Originated

AS40021 IPv6 Prefixes Originated

AS40021 IPv4 Route Propagation

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AS40021 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
5.180.151.0/24	Contabo GmbH
5.252.52.0/23	Contabo GmbH
5.252.54.0/23	Contabo GmbH
31.220.96.0/21	Contabo GmbH
38.105.209.0/24	Cogent Communications, LLC
38.105.232.0/24	Cogent Communications, LLC
45.137.192.0/24	Contabo GmbH
45.137.194.0/24	Contabo GmbH
62.146.168.0/21	Contabo GmbH
62.146.176.0/21	Contabo GmbH
62.146.224.0/21	Contabo GmbH
66.94.96.0/21	Contabo Inc.
66.94.104.0/21	Contabo Inc.
66.94.112.0/22	Contabo Inc.
66.94.116.0/23	Contabo Inc.
66.94.118.0/24	Contabo Inc.
66.94.119.0/24	Contabo Inc.
66.94.120.0/21	Contabo Inc.
81.22.38.0/24	Contabo GmbH
82.197.64.0/22	Contabo GmbH
85.239.230.0/23	Contabo GmbH
85.239.232.0/21	Contabo GmbH
85.239.240.0/21	Contabo GmbH
85.239.248.0/23	Contabo GmbH
85.239.250.0/24	Contabo GmbH
86.48.16.0/22	Contabo GmbH
86.48.20.0/22	Contabo GmbH
86.48.24.0/22	Contabo GmbH
86.48.28.0/22	Contabo GmbH
89.117.16.0/21	Private Customer
89.117.72.0/21	Private Customer
89.117.144.0/21	Private Customer
92.118.56.0/23	Contabo GmbH
92.118.58.0/23	Contabo GmbH
94.72.112.0/21	Contabo GmbH
94.72.120.0/21	Contabo GmbH
94.101.113.0/24	Contabo GmbH
109.236.60.0/24	Contabo GmbH
144.126.128.0/20	Contabo Inc.
144.126.144.0/22	Contabo Inc.
144.126.148.0/22	Contabo Inc.
144.126.152.0/21	Contabo Inc.
147.93.0.0/21	Contabo GmbH
147.93.128.0/20	Contabo GmbH
147.93.144.0/22	Contabo GmbH
147.93.150.0/24	Contabo GmbH
147.93.176.0/20	Contabo GmbH
154.12.224.0/21	Cogent Communications, LLC
154.12.232.0/21	Cogent Communications, LLC
154.12.240.0/21	Cogent Communications, LLC
154.12.248.0/22	Cogent Communications, LLC
154.12.252.0/22	Cogent Communications, LLC
154.38.160.0/21	Cogent Communications, LLC
154.38.168.0/21	Cogent Communications, LLC
154.38.176.0/21	Cogent Communications, LLC
154.38.184.0/21	Cogent Communications, LLC
154.53.32.0/21	Cogent Communications, LLC
154.53.40.0/21	Cogent Communications, LLC
154.53.48.0/21	Cogent Communications, LLC
154.53.56.0/21	Cogent Communications, LLC
157.173.192.0/20	Contabo GmbH
164.5.254.0/23	Contabo GmbH
176.57.165.0/24	Johannes Selg
185.111.156.0/24	Contabo GmbH
185.187.235.0/24	Contabo GmbH
194.113.67.0/24	Contabo GmbH
194.140.196.0/22	TerraTransit AG
194.238.24.0/21	Contabo GmbH
195.26.240.0/21	Contabo GmbH
195.26.248.0/21	Contabo GmbH
207.244.224.0/20	Contabo Inc.
207.244.240.0/20	Contabo Inc.
209.126.0.0/20	Contabo Inc.
209.126.70.0/24	Datasoft Networks Inc.
209.126.77.0/24	Datasoft Networks Inc.
209.126.79.0/24	Datasoft Networks Inc.
209.126.80.0/21	Contabo Inc.
209.145.48.0/20	Contabo Inc.
212.28.176.0/21	Contabo GmbH
212.28.184.0/21	Contabo GmbH
212.56.32.0/22	Contabo GmbH
212.56.36.0/22	Contabo GmbH
212.56.40.0/21	Contabo GmbH
217.77.0.0/21	Contabo GmbH
217.77.8.0/21	Contabo GmbH
217.216.40.0/21	Contabo GmbH
217.216.48.0/21	Contabo GmbH
217.216.62.0/24	Contabo GmbH
217.216.64.0/22	Contabo GmbH
217.216.80.0/20	Contabo GmbH

Prefix	Description	Visibility
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Prefix	Description
2605:a140::/32	Contabo Inc.
2605:a141::/32	Contabo Inc.
2605:a142::/32	Contabo Inc.
2605:a143::/32	Contabo Inc.
2605:a144::/32	Contabo Inc.

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Cogent Communications, LLC	X	AS174
2	Level 3 Parent, LLC	X	AS3356
3	Crown Castle Fiber LLC	X	AS46887
4	Cogent Communications, LLC		AS1239

Rank	Description	IPv4	Peer
1	Level 3 Parent, LLC	X	AS3356
2	Cogent Communications, LLC	X	AS174
3	Crown Castle Fiber LLC	X	AS46887

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ARIN

aut-num: AS40021 as-name: CONTABO-USA descr: Contabo Inc. import: from AS174 accept ANY import: from AS3356 accept ANY import: from AS46887 accept ANY import: from AS51167 accept ANY export: to AS-ANY announce AS40021:AS-ALL admin-c: WINTZ1-ARIN tech-c: CONTA392-ARIN tech-c: CONTA393-ARIN mnt-by: MNT-CONTA-48 created: 2026-06-25T06:15:55Z last-modified: 2026-06-25T06:15:55Z source: ARIN

RADB

aut-num: AS40021 as-name: CONTABO-USA descr: Contabo Inc. import: from AS174 accept ANY import: from AS3356 accept ANY import: from AS46887 accept ANY import: from AS51167 accept ANY export: to AS-ANY announce AS40021:AS-CONE admin-c: WINTZ1-RADB tech-c: WINTZ1-RADB notify: noc@contabo.de mnt-by: MAINT-AS51167 changed: noc@contabo.de 20260306 # 13:23 GMT source: RADB last-modified: 2026-03-06T13:23:04Z

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