AS Data
AS3561| AS Number | 3561 |
|---|---|
| AS Name | CENTURYLINK-LEGACY-SAVVIS |
| Organization | CenturyLink Communications, LLC (ccl-534) |
| Country | US |
| Website | centurylink.com |
| Number of IPv4 Routes | 727 |
| Number of IPv6 Routes | 24 |
| ASN type | ISP |
| Registry | ARIN |
| Date Allocated | 1998-10-07 |
Use ASN data for AS3561 in automation: routing intelligence, peering analysis, ownership checks, and network observability.
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| Route | # IPs |
|---|---|
| 64.27.160.0/20 | 4096 |
| 209.27.56.0/22 | 1024 |
| 206.99.96.0/20 | 4096 |
| 216.172.133.0/24 | 256 |
| 207.50.160.0/19 | 8192 |
| 2a02:5860::/52 | ~76×10²¹ |
| 208.131.192.0/18 | 16384 |
| 208.166.128.0/17 | 32768 |
| 216.69.224.0/20 | 4096 |
| 216.33.64.0/19 | 8192 |
# # 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: 3561 ASName: CENTURYLINK-LEGACY-SAVVIS ASHandle: AS3561 RegDate: 1998-10-07 Updated: 2018-11-15 Ref: https://rdap.arin.net/registry/autnum/3561 OrgName: CenturyLink Communications, LLC OrgId: CCL-534 Address: 100 CENTURYLINK DR City: Monroe StateProv: LA PostalCode: 71201 Country: US RegDate: 2018-07-12 Updated: 2026-04-22 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 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: 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 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 # # 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. #
| AS Number | Description | Country |
|---|---|---|
| AS26158 | ULTIMATE SOFTWARE GROUP | US |
| AS22064 | Refinitiv US LLC | US |
| AS64212 | Advantage Sales & Marketing LLC | US |
| AS63427 | Computer Design & Integration LLC | US |
| AS22283 | Sidley Austin LLP | US |
| AS58057 | Securebit AG | CH |
| AS22157 | mGage | US |
| AS32988 | Analog Devices, Inc. | US |
| AS209 | CenturyLink Communications, LLC | US |
| AS394792 | RAYUS Radiology | US |
| AS Number | Description | Country |
|---|---|---|
| AS26158 | ULTIMATE SOFTWARE GROUP | US |
| AS393738 | Cameo Solutions | US |
| AS64212 | Advantage Sales & Marketing LLC | US |
| AS22064 | Refinitiv US LLC | US |
| AS22283 | Sidley Austin LLP | US |
| AS63427 | Computer Design & Integration LLC | US |
| AS32988 | Analog Devices, Inc. | US |
| AS13494 | Morningstar, Inc. | US |
| AS23147 | Byline Bank | US |
| AS395952 | Constellation Web Solutions, Inc. | US |
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