AS203 Level 3 Parent, LLC

CENTURYLINK-LEGACY-LVLT-203

IPv4 Addresses: 116,224

Number of Peers: 3

Number of Prefixes: 100

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS203 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS203 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

abuse@aup.lumen.com

ipadmin@centurylink.com

rpki-roa@lumen.com

abuse@level3.com

Abuse Contacts:

abuse@aup.lumen.com

abuse@level3.com

Address:

100 CenturyLink Drive,

Monroe,

LA,

71203,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
8.7.155.0/24	Level 3 Parent, LLC	8.0.0.0/9	ARIN
8.15.229.0/24	Level 3 Parent, LLC	8.0.0.0/9	ARIN
8.18.63.0/24	Level 3 Parent, LLC	8.16.0.0/12	ARIN
8.25.26.0/24	Level 3 Parent, LLC	8.16.0.0/12	ARIN
8.36.90.0/24	Level 3 Parent, LLC	8.0.0.0/9	ARIN
8.44.205.0/24	Level 3 Parent, LLC	1.72.0.0/13	APNIC
38.107.240.0/24	PSINet, Inc.	38.0.0.0/8	ARIN
63.128.0.0/22	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.1.0/24	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.7.0/24	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.8.0/22	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.12.0/24	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.14.0/24	CenturyLink Communications, LLC	63.128.0.0/15	ARIN
63.128.20.0/24	Blackbaud, Inc.	63.128.0.0/15	ARIN
63.128.24.0/24	Blackbaud, Inc.	63.128.0.0/15	ARIN
64.22.148.0/24	CenturyLink Communications, LLC	64.22.128.0/19	ARIN
64.208.127.0/24	Level 3 Parent, LLC	64.208.0.0/16	ARIN
64.209.141.0/24	Kintera, Inc.	64.209.128.0/20	ARIN
64.241.120.0/24	Dollar Bank	64.240.0.0/14	ARIN
65.222.131.0/24	PHILADELPHIA FEDERAL CREDIT UNION	65.192.0.0/11	ARIN
66.193.107.0/24	Banfield	66.192.0.0/14	ARIN
66.194.187.0/24	Level 3 Parent, LLC	67.232.0.0/13	ARIN
67.96.131.0/24	Unisys	67.96.0.0/14	ARIN
128.177.179.0/24	USCP	128.177.0.0/16	ARIN
129.220.48.0/20	Unisys Corporation	129.220.0.0/16	ARIN
129.220.64.0/19	Unisys Corporation	129.220.0.0/16	ARIN
156.42.0.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.32.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.64.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.96.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.128.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.160.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.192.0/19	Maricopa County	156.42.0.0/16	ARIN
156.42.224.0/19	Maricopa County	156.42.0.0/16	ARIN
158.120.127.0/24	Colorado Springs Utilities	158.120.127.0/24	ARIN
161.209.96.0/20	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.96.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.97.0/24	Southern California Gas Company	162.93.0.0/16	ARIN
161.209.98.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.99.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.100.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.101.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.102.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.103.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.111.0/24	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.192.0/19	Southern California Gas Company	161.209.0.0/16	ARIN
161.209.225.0/24	Southern California Gas Company	164.111.0.0/16	ARIN
167.183.216.0/22	Northside Hospital	167.183.0.0/16	ARIN
167.183.216.0/24	Northside Hospital	167.183.0.0/16	ARIN
167.183.217.0/24	Northside Hospital	167.183.0.0/16	ARIN
167.183.218.0/24	Northside Hospital	167.183.0.0/16	ARIN
167.183.219.0/24	Northside Hospital	167.183.0.0/16	ARIN
170.22.90.0/24	CareFirst Management Company, LLC	170.22.0.0/16	ARIN
189.125.51.0/24	COOPERATIVA CENTRAL DE CREDITO URBANO - AILOS	189.125.0.0/16	Lacnic
192.42.110.0/24	United States Capitol Police	192.42.110.0/24	ARIN
192.59.36.0/22	Unisys Corporation	192.59.0.0/16	ARIN
192.59.66.0/24	Unisys Corporation	192.59.0.0/16	ARIN
192.59.78.0/24	Unisys Corporation	192.16.0.0/18	ARIN
192.59.119.0/24	Unisys Corporation	190.182.128.0/17	Lacnic
192.147.2.0/24	Colorado Springs Utilities	192.147.2.0/24	ARIN
194.34.64.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.65.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.66.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.76.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.79.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.80.0/24	AstraZeneca PLC	193.233.0.0/17	RIPE
194.34.83.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.84.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.85.0/24	AstraZeneca PLC	-
194.34.87.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.88.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.89.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
194.34.91.0/24	AstraZeneca PLC	194.34.64.0/19	RIPE
198.94.221.0/24	City of Sunnyvale	198.92.0.0/14	ARIN
198.94.222.0/24	City of Sunnyvale	198.92.0.0/14	ARIN
198.94.223.0/24	City of Sunnyvale	198.92.0.0/14	ARIN
198.200.148.0/24	Hutchens, Senter, Kellam and Pettit, PA	198.200.148.0/24	ARIN
199.68.16.0/24	Medimmune, LLC	199.68.16.0/21	ARIN
199.68.17.0/24	Medimmune, LLC	199.68.16.0/21	ARIN
199.68.18.0/24	Medimmune, LLC	199.68.16.0/21	ARIN
199.68.19.0/24	Medimmune, LLC	199.68.16.0/21	ARIN
204.17.143.0/24	Maxim Integrated Products	204.17.142.0/23	ARIN
204.153.154.0/24	Blue Cross and Blue Shield of Arizona Inc	204.153.152.0/22	ARIN
204.153.155.0/24	Blue Cross and Blue Shield of Arizona Inc	204.127.0.0/16	ARIN
205.132.94.0/23	Russell Investments	205.132.94.0/23	ARIN
205.139.102.0/24	Kintera, Inc.	205.138.0.0/15	ARIN
205.139.103.0/24	Kintera, Inc.	205.138.0.0/15	ARIN
205.139.104.0/22	Kintera, Inc.	205.138.0.0/15	ARIN
205.139.108.0/24	Kintera, Inc.	205.138.0.0/15	ARIN
205.153.101.0/24	Maxim Integrated Products	205.153.100.0/22	ARIN
206.79.6.0/24	Kintera, Inc.	206.79.0.0/16	ARIN
206.169.67.0/24	KYOCERA WIRELESS	206.169.0.0/16	ARIN
209.67.132.0/22	Blackbaud, Inc.	209.67.0.0/16	ARIN
209.67.136.0/22	Blackbaud, Inc.	209.67.0.0/16	ARIN
212.138.251.0/24	King Abdul Aziz City for Science and Technology	212.138.0.0/16	RIPE
212.138.252.0/24	SaudiNational IX	212.138.0.0/16	RIPE
212.138.253.0/24	SaudiNational IX	212.138.0.0/16	RIPE
216.32.151.0/24	Blackbaud, Inc.	216.32.0.0/14	ARIN
216.235.200.0/21	Blackbaud, Inc.	217.32.0.0/12	RIPE

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2804:cf4::/32	Noroestecom Telecomunicacoes Ltda		-

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS10753	LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE	Level 3 Parent, LLC

Country	ASN	Name	Description	IPv4
	AS3356	LEVEL3	Level 3 Parent, LLC

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS3356	LEVEL3	Level 3 Parent, LLC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS3356	LEVEL3	Level 3 Parent, LLC

IPv6 Upstream Graph

IPv4 Downstreams

Country	ASN	Name	Description
	AS10753	LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE	Level 3 Parent, 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:       203
ASName:         CENTURYLINK-LEGACY-LVLT-203
ASHandle:       AS203
RegDate:        2002-06-05
Updated:        2019-12-04    
Ref:            https://rdap.arin.net/registry/autnum/203



OrgName:        Level 3 Parent, LLC
OrgId:          LPL-141
Address:        100 CenturyLink Drive
City:           Monroe
StateProv:      LA
PostalCode:     71203
Country:        US
RegDate:        2018-02-06
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 abuse@aup.lumen.com
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/LPL-141


OrgTechHandle: APL7-ARIN
OrgTechName:   ADMIN POC LVLT
OrgTechPhone:  +1-877-453-8353 
OrgTechEmail:  ipadmin@centurylink.com
OrgTechRef:    https://rdap.arin.net/registry/entity/APL7-ARIN

OrgRoutingHandle: RPKIR-ARIN
OrgRoutingName:   RPKI-ROA
OrgRoutingPhone:  +1-877-886-6515 
OrgRoutingEmail:  rpki-roa@lumen.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RPKIR-ARIN

OrgAbuseHandle: LAC56-ARIN
OrgAbuseName:   L3 Abuse Contact
OrgAbusePhone:  +1-877-453-8353 
OrgAbuseEmail:  abuse@level3.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAC56-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.
#

Country	IX	Name	IPv4	IPv6	Port Speed

AS203 Level 3 Parent, LLC

CENTURYLINK-LEGACY-LVLT-203

AS203 Summary

Regional Registry:

Allocation Status:

AS203 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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