AS3910 CenturyLink Communications, LLC

AS3910 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Balanced

Website:

http://www.centurylink.com

Looking Glass :

http://www.centurylink.com/ipstats

AS3910 Network

Contacts

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	46.182.56.0/21	Lumen Technologies UK Limited		46.182.56.0/21	RIPE
	63.147.85.0/24	CenturyLink Communications, LLC		63.144.0.0/13	ARIN
	63.159.181.0/24	CenturyLink Communications, LLC		63.152.0.0/13	ARIN
	63.225.65.0/24	CenturyLink Communications, LLC		63.224.0.0/13	ARIN
	63.228.185.0/24	CenturyLink Communications, LLC		63.224.0.0/13	ARIN
	63.229.104.0/24	CenturyLink Communications, LLC		63.224.0.0/13	ARIN
	63.230.240.0/24	CenturyLink Communications, LLC		63.224.0.0/13	ARIN
	63.231.211.0/24	CenturyLink Communications, LLC		63.224.0.0/13	ARIN
	65.100.13.0/24	CenturyLink Communications, LLC		65.100.0.0/14	ARIN
	65.120.24.0/21	CenturyLink Communications, LLC		65.110.48.0/22	ARIN
	65.148.33.0/24	CenturyLink Communications, LLC		65.128.0.0/11	ARIN
	65.152.197.0/24	Qwest Communications Company, LLC		65.128.0.0/11	ARIN
	65.154.234.0/24	CenturyLink Communications, LLC		65.128.0.0/11	ARIN
	65.158.30.0/24	CenturyLink Communications, LLC		65.128.0.0/11	ARIN
	67.148.48.0/24	CenturyLink Communications, LLC		66.163.208.0/20	ARIN
	67.148.49.0/24	CenturyLink Communications, LLC		67.148.0.0/16	ARIN
	67.148.66.0/24	CenturyLink Communications, LLC		65.16.0.0/16	ARIN
	67.148.251.0/24	CenturyLink Communications, LLC		67.148.0.0/16	ARIN
	97.107.230.0/24	Constellation HomeBuilder Systems Inc.		97.107.230.0/24	ARIN
	185.42.152.0/22	Lumen Technologies UK Limited		185.42.152.0/22	RIPE
	204.98.208.0/20	CenturyLink Communications, LLC		204.98.0.0/16	ARIN
	205.168.23.0/24	CenturyLink Communications, LLC		205.168.0.0/14	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS21509	APOLLONYC	Apollo Management, L.P.
	AS3561	CENTURYLINK-LEGACY-SAVVIS	CenturyLink Communications, LLC
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC
	AS54538	PAN0001	PALO ALTO NETWORKS
	AS11857	AEGONUSA	Money Services, Inc.
	AS6595	DODDSEUR	U.S. Department of Defense Education Activity
	AS10599	MCKESSON	McKesson Corp.

Country	ASN	Name	Description	IPv4
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC
	AS3561	CENTURYLINK-LEGACY-SAVVIS	CenturyLink Communications, LLC
	AS3356	LEVEL3	Level 3 Parent, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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• IPv4 Downstreams
• IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS3561	CENTURYLINK-LEGACY-SAVVIS	CenturyLink Communications, LLC
	AS11857	AEGONUSA	Money Services, Inc.
	AS21509	APOLLONYC	Apollo Management, L.P.
	AS54538	PAN0001	PALO ALTO NETWORKS
	AS6595	DODDSEUR	U.S. Department of Defense Education Activity
	AS10599	MCKESSON	McKesson Corp.

Country	ASN	Name	Description	IPv4
	AS3561	CENTURYLINK-LEGACY-SAVVIS	CenturyLink Communications, LLC

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       3910
ASName:         CENTURYLINK-EUROPE-LEGACY-QWEST
ASHandle:       AS3910
RegDate:        1996-10-01
Updated:        2018-10-04    
Ref:            https://rdap.arin.net/registry/autnum/3910



OrgName:        CenturyLink Communications, LLC
OrgId:          CCL-534
Address:        100 CENTURYLINK DR
City:           Monroe
StateProv:      LA
PostalCode:     71201
Country:        US
RegDate:        2018-07-12
Updated:        2024-06-17
Comment:        USAGE OF IP SPACE MUST COMPLY WITH OUR ACCEPTABLE USE POLICY:
Comment:        https://www.lumen.com/en-us/about/legal/acceptable-use-policy.html
Comment:        
Comment:        ADDRESSES COVERED BY THIS ORG-ID ARE NON-PORTABLE ANY ISP ANNOUNCING OR TRANSITING PORTIONS WITHIN OUR RANGES SHOULD NOT RELY ON PRESENTED LOA'S OR OLD WHOIS UNLESS THOSE RANGES ARE ALSO ACTIVELY DIRECTLY ANNOUNCED TO A LUMEN ASN. WITH ALL LOA'S THESE CONDITIONS APPLY:
Comment:        
Comment:        1. You are permitted to route the Lumen IP prefixes listed via Public BGP to your alternate ISP from the designated ASN. Any other ASN originating the prefix listed is forbidden.
Comment:        2. The Lumen IP prefixes listed can be routed via Public BGP to your alternate ISP as long as you remain an active customer with Lumen and continue to route the prefixes over at least one Lumen Internet circuit without significant traffic engineering.
Comment:        3. Should your Internet services with Lumen be discontinued, Lumen reserves the right to have your alternate ISP terminate the routing of the Lumen IP prefixes without advanced notification, should you fail to do so.
Comment:        4. All IP Addresses assigned or allocated by Lumen to an end-user (customer or ISP) shall be considered non-portable and will be reclaimed by Lumen upon service termination.
Comment:        5. Lumen reserves the right to conduct audits to ensure the LOA conditions are being met.
Comment:        6. Usage of IP space must comply with our AUP https://www.lumen.com/en-us/about/legal/acceptable-use-policy.html
Comment:        
Comment:        Our looking glass is located at: https://lookingglass.centurylink.com/
Comment:        
Comment:        For subpoena or court order please fax 844.254.5800 or refer to our Trust & Safety page:
Comment:        https://www.lumen.com/en-us/about/legal/trust-center/trust-and-safety.html
Comment:        
Comment:        For abuse issues, please email [email protected]
Comment:        All abuse reports MUST include:
Comment:        * src IP
Comment:        * dest IP (your IP)
Comment:        * dest port
Comment:        * Accurate date/timestamp and timezone of activity
Comment:        * Intensity/frequency (short log extracts)
Comment:        * Your contact details (phone and email)
Comment:        Without these we will be unable to identify the correct owner of the IP address at that point in time.
Ref:            https://rdap.arin.net/registry/entity/CCL-534


OrgAbuseHandle: CAD54-ARIN
OrgAbuseName:   Centurylink Abuse Desk
OrgAbusePhone:  +1-877-886-6515 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAD54-ARIN

OrgTechHandle: QIA-ARIN
OrgTechName:   Centurylink IP Admin
OrgTechPhone:  +1-877-886-6515 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/QIA-ARIN

OrgRoutingHandle: RPKIR-ARIN
OrgRoutingName:   RPKI-ROA
OrgRoutingPhone:  +1-877-886-6515 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RPKIR-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 1997-2025, American Registry for Internet Numbers, Ltd.
#