What is ASN AS400138?

ASN AS400138 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400138?

AS400138 is listed under Databento, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS400138 Databento, Inc. | IPGeolocation.io

ASN Lookup Tool

Databento, Inc. databento.com

US 4 Routes

AS Data

AS400138

AS400138 – Databento, Inc.

AS Number	400138
AS Name	DATABENTO
Organization	Databento, Inc.(datab-25)
Country	US
Website	databento.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-10-15

ASN Intelligence API for production workflows

Use ASN data for AS400138 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.127.152.0/24	AS400138	Databento, Inc.	Databento, Inc.	256
209.127.158.0/24	AS400138	Databento, Inc.	Databento, Inc.	256
209.127.154.0/24	AS400138	Databento, Inc.	Databento, Inc.	256
209.127.153.0/24	AS400138	Databento, Inc.	Databento, Inc.	256

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:       400138
ASName:         DATABENTO
ASHandle:       AS400138
RegDate:        2021-10-15
Updated:        2021-10-15    
Ref:            https://rdap.arin.net/registry/autnum/400138


OrgName:        Databento, Inc.
OrgId:          DATAB-25
Address:        26 S Rio Grande St #2072
City:           Salt Lake City
StateProv:      UT
PostalCode:     84101
Country:        US
RegDate:        2021-10-11
Updated:        2022-08-04
Ref:            https://rdap.arin.net/registry/entity/DATAB-25


OrgAbuseHandle: SYSTE786-ARIN
OrgAbuseName:   Systems
OrgAbusePhone:  +1-617-553-4000 
OrgAbuseEmail:  sys@databento.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SYSTE786-ARIN

OrgDNSHandle: SYSTE786-ARIN
OrgDNSName:   Systems
OrgDNSPhone:  +1-617-553-4000 
OrgDNSEmail:  sys@databento.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SYSTE786-ARIN

OrgTechHandle: SMITH6161-ARIN
OrgTechName:   Smith, Craig 
OrgTechPhone:  +1-857-829-6511 
OrgTechEmail:  craig@databento.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SMITH6161-ARIN

OrgTechHandle: SYSTE786-ARIN
OrgTechName:   Systems
OrgTechPhone:  +1-617-553-4000 
OrgTechEmail:  sys@databento.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SYSTE786-ARIN

OrgRoutingHandle: SYSTE786-ARIN
OrgRoutingName:   Systems
OrgRoutingPhone:  +1-617-553-4000 
OrgRoutingEmail:  sys@databento.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SYSTE786-ARIN

OrgNOCHandle: SYSTE786-ARIN
OrgNOCName:   Systems
OrgNOCPhone:  +1-617-553-4000 
OrgNOCEmail:  sys@databento.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SYSTE786-ARIN

OrgTechHandle: FOWLE286-ARIN
OrgTechName:   Fowler, Richard 
OrgTechPhone:  +1-617-606-9009 
OrgTechEmail:  rick@databento.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FOWLE286-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
AS8220	COLT Technology Services Group Limited	GB
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS1299	Arelion Sweden AB	SE
AS6939	Hurricane Electric LLC	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS27552	TowardEX Technologies International, Inc.	US

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS1299	Arelion Sweden AB	SE
AS6939	Hurricane Electric LLC	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS27552	TowardEX Technologies International, Inc.	US