ASN AS5777 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS5777?

AS5777 is listed under Ribbon Communications Operating Company, 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.

AS5777 Ribbon Communications Operating Company, Inc.

ASN Lookup Tool

Ribbon Communications Operating Company, Inc. rbbn.com

US 7 Routes

AS Data

AS5777

AS5777 – Ribbon Communications Operating Company, Inc.

AS Number	5777
AS Name	RIBBON
Organization	Ribbon Communications Operating Company, Inc.(rco-22)
Country	US
Website	rbbn.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-10-05

ASN Intelligence API for production workflows

Use ASN data for AS5777 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.149.188.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, Inc.	256
147.234.170.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, Inc.	256
216.110.2.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, Inc.	256
97.65.224.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, Inc.	256
64.129.37.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Level 3 Parent, LLC	256
74.203.183.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, Inc.	256
147.234.175.0/24	AS5777	Ribbon Communications Operating Company, Inc.	Ribbon Communications Operating Company, 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:       5777
ASName:         RIBBON
ASHandle:       AS5777
RegDate:        2009-10-05
Updated:        2020-08-04    
Ref:            https://rdap.arin.net/registry/autnum/5777


OrgName:        Ribbon Communications Operating Company, Inc.
OrgId:          RCO-22
Address:        4 Technology Park Drive
City:           Westford
StateProv:      MA
PostalCode:     01886
Country:        US
RegDate:        2020-06-17
Updated:        2025-12-15
Ref:            https://rdap.arin.net/registry/entity/RCO-22


OrgAbuseHandle: PHELP123-ARIN
OrgAbuseName:   Phelps, Heather 
OrgAbusePhone:  +1-866-750-5040 
OrgAbuseEmail:  Heather.Phelps@rbbn.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PHELP123-ARIN

OrgTechHandle: ALEFB-ARIN
OrgTechName:   Alef, Ben 
OrgTechPhone:  +1-972-265-3875 
OrgTechEmail:  ben.alef@rbbn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ALEFB-ARIN

OrgDNSHandle: ALEFB-ARIN
OrgDNSName:   Alef, Ben 
OrgDNSPhone:  +1-972-265-3875 
OrgDNSEmail:  ben.alef@rbbn.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ALEFB-ARIN

OrgNOCHandle: ALEFB-ARIN
OrgNOCName:   Alef, Ben 
OrgNOCPhone:  +1-972-265-3875 
OrgNOCEmail:  ben.alef@rbbn.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ALEFB-ARIN

OrgRoutingHandle: MARKA24-ARIN
OrgRoutingName:   West, Mark A
OrgRoutingPhone:  +1-919-457-9940 
OrgRoutingEmail:  mwest@rbbn.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MARKA24-ARIN

OrgNOCHandle: MARKA24-ARIN
OrgNOCName:   West, Mark A
OrgNOCPhone:  +1-919-457-9940 
OrgNOCEmail:  mwest@rbbn.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MARKA24-ARIN

OrgDNSHandle: MARKA24-ARIN
OrgDNSName:   West, Mark A
OrgDNSPhone:  +1-919-457-9940 
OrgDNSEmail:  mwest@rbbn.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MARKA24-ARIN

OrgRoutingHandle: ALEFB-ARIN
OrgRoutingName:   Alef, Ben 
OrgRoutingPhone:  +1-972-265-3875 
OrgRoutingEmail:  ben.alef@rbbn.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ALEFB-ARIN

OrgTechHandle: MARKA24-ARIN
OrgTechName:   West, Mark A
OrgTechPhone:  +1-919-457-9940 
OrgTechEmail:  mwest@rbbn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MARKA24-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
AS45820	Tata Teleservices ISP AS	IN
AS46887	Crown Castle Fiber LLC	US
AS45820	TTSL ISP DIVISION	IN
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS56175	Merit Medical Singapore Pte. Ltd.	SG
AS56175	198 Yishun Ave 9	SG

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS45820	TTSL ISP DIVISION	IN
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS56175	Merit Medical Singapore Pte. Ltd.	SG

Downstreams

AS Number	Description	Country
AS56175	Merit Medical Singapore Pte. Ltd.	SG