What is ASN AS400545?

ASN AS400545 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400545?

AS400545 is listed under Cygnus Communications.

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.

AS400545 Cygnus Communications

ASN Lookup Tool

Cygnus Communications cygnuscommunications.net

US 1 Routes

AS Data

AS400545

AS400545 – Cygnus Communications

AS Number	400545
AS Name	CYGNUS-COMMUNICATIONS
Organization	Cygnus Communications(cc-4437)
Country	US
Website	cygnuscommunications.net
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2022-03-21

ASN Intelligence API for production workflows

Use ASN data for AS400545 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.136.104.0/24	AS400545	Cygnus Communications	Cygnus Communications	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:       400545
ASName:         CYGNUS-COMMUNICATIONS
ASHandle:       AS400545
RegDate:        2022-03-21
Updated:        2022-08-10    
Ref:            https://rdap.arin.net/registry/autnum/400545


OrgName:        Cygnus Communications
OrgId:          CC-4437
Address:        1000 Town Center Drive Suite 300
City:           Oxnard
StateProv:      CA
PostalCode:     93036
Country:        US
RegDate:        2022-02-26
Updated:        2026-02-09
Ref:            https://rdap.arin.net/registry/entity/CC-4437


OrgAbuseHandle: CORON86-ARIN
OrgAbuseName:   Corona, Johnny 
OrgAbusePhone:  +1-805-236-7779 
OrgAbuseEmail:  Johnny@cygnuscommunications.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CORON86-ARIN

OrgNOCHandle: CORON86-ARIN
OrgNOCName:   Corona, Johnny 
OrgNOCPhone:  +1-805-236-7779 
OrgNOCEmail:  Johnny@cygnuscommunications.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/CORON86-ARIN

OrgTechHandle: CORON86-ARIN
OrgTechName:   Corona, Johnny 
OrgTechPhone:  +1-805-236-7779 
OrgTechEmail:  Johnny@cygnuscommunications.net
OrgTechRef:    https://rdap.arin.net/registry/entity/CORON86-ARIN

OrgRoutingHandle: CORON86-ARIN
OrgRoutingName:   Corona, Johnny 
OrgRoutingPhone:  +1-805-236-7779 
OrgRoutingEmail:  Johnny@cygnuscommunications.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CORON86-ARIN

OrgDNSHandle: CORON86-ARIN
OrgDNSName:   Corona, Johnny 
OrgDNSPhone:  +1-805-236-7779 
OrgDNSEmail:  Johnny@cygnuscommunications.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/CORON86-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
AS32945	Tekwerks Internet	US

Upstreams

AS Number	Description	Country
AS32945	Tekwerks Internet	US