4297 CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC, US
Adjacency: 5 Upstream: 1 Downstream: 4
Upstream Adjacent AS list
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US
Downstream Adjacent AS list
AS4155 USDA-1 - USDA, US
AS10754 GOV-FRB-BOG - Federal Reserve Board, US
AS53554 NCUA-GOV---NATIONAL-CREDIT-UNION-ADMINISTRATION - National Credit Union Administration, US
AS46087 ASN-UDHUDOIG-01 - U.S. Department of Housing and Urban Development - Office of Inspector General, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 34579 AS4297 ORG+TRN Originate: 1024 /22.00 Transit: 3072 /20.42 CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 11712 AS4297 CENTURYLINK-MTIPS4-HLR - CenturyLink Communic 4 4 1 1 3 75.00% Prefix AS Path Aggregation Suggestion 204.153.228.0/22 4777 2497 3356 209 4297 + Announce - aggregate of 204.153.228.0/23 (4777 2497 3356 209 4297) and 204.153.230.0/23 (4777 2497 3356 209 4297) 204.153.228.0/24 4777 2497 3356 209 4297 - Withdrawn - aggregated with 204.153.229.0/24 (4777 2497 3356 209 4297) 204.153.229.0/24 4777 2497 3356 209 4297 - Withdrawn - aggregated with 204.153.228.0/24 (4777 2497 3356 209 4297) 204.153.230.0/24 4777 2497 3356 209 4297 - Withdrawn - aggregated with 204.153.231.0/24 (4777 2497 3356 209 4297) 204.153.231.0/24 4777 2497 3356 209 4297 - Withdrawn - aggregated with 204.153.230.0/24 (4777 2497 3356 209 4297)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4297 4 More Specifics 4 Total Advertisements CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC, US
204.153.228.0/24 204.153.228.0/22
204.153.229.0/24 204.153.228.0/22
204.153.230.0/24 204.153.228.0/22
204.153.231.0/24 204.153.228.0/22
whois: 402332
IANA has recorded AS4297 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4297\n
#
# 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: 4297
ASName: CENTURYLINK-MTIPS4-HLR
ASHandle: AS4297
RegDate: 1998-10-07
Updated: 2020-10-20
Ref: https://rdap.arin.net/registry/autnum/4297
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 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/CCL-534
OrgTechHandle: QIA-ARIN
OrgTechName: Centurylink IP Admin
OrgTechPhone: +1-877-886-6515
OrgTechEmail: ipadmin@centurylink.com
OrgTechRef: https://rdap.arin.net/registry/entity/QIA-ARIN
OrgAbuseHandle: CAD54-ARIN
OrgAbuseName: Centurylink Abuse Desk
OrgAbusePhone: +1-877-886-6515
OrgAbuseEmail: abuse@aup.lumen.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CAD54-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
#
# 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.
#