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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	-
	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.
	209.126.80.0/21	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
	209.126.70.0/24	Datasoft Networks Inc.
	209.126.77.0/24	Datasoft Networks Inc.
	209.126.79.0/24	Contabo Inc.
	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.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS46887	Zayo Bandwidth	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS46887	Zayo Bandwidth	✔	✔
	AS3549	Lumen (fka. Global Crossing)	✔	✔
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS40021
OrgID:          CONTA-48
ASName:         CONTABO-40021
ASNumber:       40021
RegDate:        2023-05-16
Updated:        2025-07-14
Source:         ARIN



OrgID:          CONTA-48
OrgName:        Contabo Inc.
CanAllocate:    
Street:         710 N Tucker Blvd. STE 400A
City:           St. Louis
State/Prov:     MO
Country:        US
PostalCode:     63101
RegDate:        2019-12-23
Updated:        2024-11-25
OrgAdminHandle: WINTZ1-ARIN
OrgTechHandle:  CONTA392-ARIN
OrgAbuseHandle: CAD61-ARIN
OrgNOCHandle:   CONTA393-ARIN
OrgRoutingHandle:   CONTA393-ARIN
Source:         ARIN





OrgAdminHandle:       WINTZ1-ARIN
OrgAdminName:         Sascha Wintz
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CONTA392-ARIN
OrgTechName:           Contabo Tech
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CAD61-ARIN
OrgAbuseName:          Contabo Abuse Department
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         CONTA393-ARIN
OrgNOCName:            Contabo NOC
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     CONTA393-ARIN
OrgRoutingName:        Contabo NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-16T03:26:24Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695
APNIC	as141995:as-all	2
RADB	as141995:as-customers	1
ARIN	as40021:as-all	2
RADB	as62973:as-customers	95
ARIN	as-nubes	1
ARIN	as-contabo	2
RIPE	as51167:as-customers	6
RIPE	as-51167	14
RADB	as13768:as-customers	2961
LEVEL3	as-as209-cust	1818
RADB	as-ccf	1539
RADB	as-bluebird	132
RADB	as-ccf-test	1461
RADB	as51167:as-customers	6
RADB	as40021:as-cone	1