ASN Lookup Tool

Synopsys Inc. synopsys.com US US 14 Routes

AS Data

AS397635

AS397635 – Synopsys Inc.

AS Number 397635
AS Name PATHLINE-CAMPUS
Organization Synopsys Inc.(synops)
Country US
Website synopsys.com
Number of IPv4 Routes 14
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2019-06-11

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Use ASN data for AS397635 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
149.117.4.0/24 256
149.117.96.0/24 256
149.117.92.0/24 256
149.117.73.0/24 256
149.117.79.0/24 256
149.117.7.0/24 256
149.117.75.0/24 256
149.117.87.0/24 256
149.117.92.0/23 512
149.117.93.0/24 256

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:       397635
ASName:         PATHLINE-CAMPUS
ASHandle:       AS397635
RegDate:        2019-06-11
Updated:        2019-06-11    
Ref:            https://rdap.arin.net/registry/autnum/397635


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


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

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


#
# 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
AS29909 Metro Optic CA
AS7018 AT&T Enterprises, LLC US
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS29909 Metro Optic CA
AS7018 AT&T Enterprises, LLC US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Legacy Routes

149.117.1.0/24

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Frequently Asked Questions

ASN AS397635 is an Autonomous System Number used to identify a network for BGP internet routing.
AS397635 is listed under Synopsys 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.