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.

AS26791 Synopsys Inc. | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Synopsys Inc. synopsys.com

US 2 Routes

AS Data

AS26791

AS26791 – Synopsys Inc.

AS Number	26791
AS Name	BADC-CLOUD
Organization	Synopsys Inc.(synops)
Country	US
Website	synopsys.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-10-17

ASN Intelligence API for production workflows

Use ASN data for AS26791 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
149.117.56.0/23	AS26791	Synopsys Inc.	Synopsys Inc.	512
149.117.56.0/24	AS26791	Synopsys Inc.	Synopsys 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:       26791
ASName:         BADC-CLOUD
ASHandle:       AS26791
RegDate:        2017-10-17
Updated:        2017-10-17    
Ref:            https://rdap.arin.net/registry/autnum/26791


OrgName:        Synopsys Inc.
OrgId:          SYNOPS
Address:        675 Almanor Ave
City:           Sunnyvale
StateProv:      CA
PostalCode:     94085
Country:        US
RegDate:        1991-02-28
Updated:        2025-10-22
Ref:            https://rdap.arin.net/registry/entity/SYNOPS


OrgRoutingHandle: CHAND323-ARIN
OrgRoutingName:   Chandrashekara, Rajashekara 
OrgRoutingPhone:  +09742855547 
OrgRoutingEmail:  rac@synopsys.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHAND323-ARIN

OrgTechHandle: NETWO2400-ARIN
OrgTechName:   NETWORK-TEAM
OrgTechPhone:  +1-650-584-4260 
OrgTechEmail:  network-core@synopsys.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2400-ARIN

OrgAbuseHandle: NETWO2400-ARIN
OrgAbuseName:   NETWORK-TEAM
OrgAbusePhone:  +1-650-584-4260 
OrgAbuseEmail:  network-core@synopsys.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2400-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US

Frequently Asked Questions

What is ASN AS26791?

ASN AS26791 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26791?

AS26791 is listed under Synopsys Inc..

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.