ASN AS18704 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18704?

AS18704 is listed under T Systems North America, 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?

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AS18704 T Systems North America, Inc.

ASN Lookup Tool

T Systems North America, Inc. t-systems.com

US 7 Routes

AS Data

AS18704

AS18704 – T Systems North America, Inc.

AS Number	18704
AS Name	T-SYSTEMS-NA
Organization	T Systems North America, Inc.(tna-26)
Country	US
Website	t-systems.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-12-27

ASN Intelligence API for production workflows

Use ASN data for AS18704 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.43.251.0/24	AS18704	T Systems North America, Inc.	T Systems North America, Inc.	256
64.43.225.0/24	AS18704	T Systems North America, Inc.	T Systems North America, Inc.	256
64.43.224.0/19	AS18704	T Systems North America, Inc.	T Systems North America, Inc.	8192
206.195.113.0/24	AS18704	T Systems North America, Inc.	Wayne Fueling Systems LLC	256
64.43.240.0/20	AS2773	Deutsche Telekom AG	Deutsche Telekom North America, Inc	4096
64.43.224.0/20	AS18704	T Systems North America, Inc.	T Systems North America, Inc.	4096
64.43.245.0/24	AS18704	T Systems North America, Inc.	T Systems North America, 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:       18704
ASName:         T-SYSTEMS-NA
ASHandle:       AS18704
RegDate:        2001-12-27
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/18704


OrgName:        T-Systems North America, Inc.
OrgId:          TNA-26
Address:        1901 Butterfield Road, Suite 640
City:           Downers Grove
StateProv:      IL
PostalCode:     60515
Country:        US
RegDate:        2011-04-25
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/TNA-26


OrgAbuseHandle: NETWO4577-ARIN
OrgAbuseName:   Network Team
OrgAbusePhone:  +1-630-493-8691 
OrgAbuseEmail:  OLedezma@t-systems.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN

OrgRoutingHandle: NETWO4577-ARIN
OrgRoutingName:   Network Team
OrgRoutingPhone:  +1-630-493-8691 
OrgRoutingEmail:  OLedezma@t-systems.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN

OrgNOCHandle: NETWO4577-ARIN
OrgNOCName:   Network Team
OrgNOCPhone:  +1-630-493-8691 
OrgNOCEmail:  OLedezma@t-systems.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN

OrgDNSHandle: NETWO4577-ARIN
OrgDNSName:   Network Team
OrgDNSPhone:  +1-630-493-8691 
OrgDNSEmail:  OLedezma@t-systems.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN

OrgTechHandle: NETWO4577-ARIN
OrgTechName:   Network Team
OrgTechPhone:  +1-630-493-8691 
OrgTechEmail:  OLedezma@t-systems.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4577-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
AS7018	AT&T Enterprises, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS3356	Level 3 Parent, LLC	US