ASN Lookup Tool

Contabo Inc. contabo.com US US 97 Routes

AS Data

AS40021

AS40021 – Contabo Inc.

AS Number 40021
AS Name CONTABO-40021
Organization Contabo Inc. (conta-48)
Country US
Website contabo.com
Number of IPv4 Routes 92
Number of IPv6 Routes 5
ASN type BUSINESS
Registry ARIN
Date Allocated 2023-05-16

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Use ASN data for AS40021 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
81.22.38.0/24 256
5.252.54.0/23 512
85.239.248.0/23 512
2605:a142::/32 ~79×10²⁷
154.38.176.0/21 2048
212.28.176.0/21 2048
157.173.192.0/20 4096
212.56.36.0/22 1024
66.94.96.0/21 2048
154.53.40.0/21 2048
195.26.240.0/21 2048
144.126.128.0/20 4096
154.12.252.0/22 1024
144.126.144.0/22 1024
89.117.16.0/21 2048
66.94.119.0/24 256
185.187.235.0/24 256
66.94.104.0/21 2048
217.216.80.0/20 4096
82.197.64.0/22 1024
217.216.64.0/22 1024
80.190.72.0/21 2048
154.38.168.0/21 2048
86.48.20.0/22 1024
207.244.240.0/20 4096
2605:a141::/32 ~79×10²⁷
194.238.24.0/21 2048
164.5.254.0/23 512
85.239.230.0/23 512
207.244.224.0/20 4096
147.93.128.0/20 4096
209.145.48.0/20 4096
154.12.240.0/21 2048
62.146.176.0/21 2048
147.93.176.0/20 4096
92.118.56.0/23 512
194.140.196.0/22 1024
212.56.32.0/22 1024
154.38.184.0/21 2048
154.12.224.0/21 2048
176.57.165.0/24 256
85.239.240.0/21 2048
209.126.70.0/24 256
185.111.156.0/24 256
94.72.112.0/21 2048
5.180.151.0/24 256
147.93.144.0/22 1024
109.236.60.0/24 256
2605:a144::/32 ~79×10²⁷
212.28.184.0/21 2048
147.93.150.0/24 256
13.140.32.0/20 4096
92.118.58.0/23 512
144.126.148.0/22 1024
2605:a143::/32 ~79×10²⁷
85.239.232.0/21 2048
62.146.168.0/21 2048
154.53.48.0/21 2048
154.12.232.0/21 2048
66.94.116.0/23 512

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       40021
ASName:         CONTABO-40021
ASHandle:       AS40021
RegDate:        2023-05-16
Updated:        2025-07-14
Ref:            https://rdap.arin.net/registry/autnum/40021


OrgName:        Contabo Inc.
OrgId:          CONTA-48
Address:        710 N Tucker Blvd. STE 400A
City:           St. Louis
StateProv:      MO
PostalCode:     63101
Country:        US
RegDate:        2019-12-23
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CONTA-48


OrgRoutingHandle: CONTA393-ARIN
OrgRoutingName:   Contabo NOC
OrgRoutingPhone:  +498921268372 
OrgRoutingEmail:  sascha.wintz@contabo.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CONTA393-ARIN

OrgTechHandle: CONTA392-ARIN
OrgTechName:   Contabo Tech
OrgTechPhone:  +498921665862 
OrgTechEmail:  johannes.selg@contabo.de
OrgTechRef:    https://rdap.arin.net/registry/entity/CONTA392-ARIN

OrgAbuseHandle: CAD61-ARIN
OrgAbuseName:   Contabo Abuse Department
OrgAbusePhone:  +498921665862 
OrgAbuseEmail:  abuse@contabo.de
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAD61-ARIN

OrgNOCHandle: CONTA393-ARIN
OrgNOCName:   Contabo NOC
OrgNOCPhone:  +498921268372 
OrgNOCEmail:  sascha.wintz@contabo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CONTA393-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS1239 Cogent Communications, LLC US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS46887 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS46887 Zayo Bandwidth US

Contacts

Email Contacts

sascha.wintz@contabo.com johannes.selg@contabo.de

Abuse Contacts

abuse@contabo.de

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Frequently Asked Questions

ASN AS40021 is an Autonomous System Number used to identify a network for BGP internet routing.
AS40021 is listed under Contabo Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.