ASN AS20139 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20139?

AS20139 is listed under SS&C Technologies, 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.

AS20139 SS&C Technologies, Inc.

ASN Lookup Tool

SS&C Technologies, Inc. sscinc.com

US 3 Routes

AS Data

AS20139

AS20139 – SS&C Technologies, Inc.

AS Number	20139
AS Name	SSNC-MS
Organization	SS&C Technologies, Inc.(ssctec-1)
Country	US
Website	sscinc.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-06-10

ASN Intelligence API for production workflows

Use ASN data for AS20139 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.40.253.0/24	AS20139	SS&C Technologies, Inc.	DST Systems, Inc.	256
205.189.141.0/24	AS20139	SS&C Technologies, Inc.	SS&C Technologies Canada Corp.	256
199.85.124.0/24	AS20139	SS&C Technologies, Inc.	SS&C Technologies Canada Corp.	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:       20139
ASName:         SSNC-MS
ASHandle:       AS20139
RegDate:        2008-06-10
Updated:        2023-01-10    
Ref:            https://rdap.arin.net/registry/autnum/20139


OrgName:        SS&C Technologies, Inc.
OrgId:          SSCTEC-1
Address:        80 Lamberton Rd.
City:           Windsor
StateProv:      CT
PostalCode:     06095-0760
Country:        US
RegDate:        1999-09-20
Updated:        2021-11-03
Ref:            https://rdap.arin.net/registry/entity/SSCTEC-1


OrgDNSHandle: SSC241-ARIN
OrgDNSName:   SSC
OrgDNSPhone:  +1-929-297-2970 
OrgDNSEmail:  JMMutti@sscinc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SSC241-ARIN

OrgAbuseHandle: SSC241-ARIN
OrgAbuseName:   SSC
OrgAbusePhone:  +1-929-297-2970 
OrgAbuseEmail:  JMMutti@sscinc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SSC241-ARIN

OrgNOCHandle: SSC241-ARIN
OrgNOCName:   SSC
OrgNOCPhone:  +1-929-297-2970 
OrgNOCEmail:  JMMutti@sscinc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SSC241-ARIN

OrgTechHandle: SSC241-ARIN
OrgTechName:   SSC
OrgTechPhone:  +1-929-297-2970 
OrgTechEmail:  JMMutti@sscinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SSC241-ARIN

OrgRoutingHandle: SSC241-ARIN
OrgRoutingName:   SSC
OrgRoutingPhone:  +1-929-297-2970 
OrgRoutingEmail:  JMMutti@sscinc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SSC241-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
AS13335	Cloudflare, Inc.	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US