7991 SAVVISSTL - SAVVIS COMMUNICATIONS
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS2497 JPNIC-ASBLOCK-AP JPNIC
AS3561 SAVVIS - Savvis
AS4657 STARHUBINTERNET-AS Starhub Internet, Singapore
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4914 AS7991 ORIGIN Originate: 16640 /17.98 Transit: 0 /0.00 SAVVISSTL - SAVVIS COMMUNICATIONS
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 % 2920 AS7991 SAVVISSTL - SAVVIS COMMUNICATIONS 14 6 3 11 3 21.43% Prefix AS Path Aggregation Suggestion 144.211.46.0/23 4637 3491 3561 7991 + Announce - aggregate of 144.211.46.0/24 (4637 3491 3561 7991) and 144.211.47.0/24 (4637 3491 3561 7991) 144.211.46.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 144.211.47.0/24 (4637 3491 3561 7991) 144.211.47.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 144.211.46.0/24 (4637 3491 3561 7991) 144.211.96.0/23 4637 3491 3561 7991 + Announce - aggregate of 144.211.96.0/24 (4637 3491 3561 7991) and 144.211.97.0/24 (4637 3491 3561 7991) 144.211.96.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 144.211.97.0/24 (4637 3491 3561 7991) 144.211.97.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 144.211.96.0/24 (4637 3491 3561 7991) 148.170.32.0/22 4637 4657 7991 148.170.92.0/24 4637 4657 7991 202.126.0.0/20 4637 4657 7991 202.126.10.0/23 4637 4657 7991 7991 7991 202.126.12.0/23 4637 4657 7991 7991 7991 202.126.14.0/24 4637 3491 3561 7991 203.82.128.0/19 4637 2497 7991 205.139.91.0/24 4637 3491 3561 7991 208.175.202.0/23 4637 3491 3561 7991 + Announce - aggregate of 208.175.202.0/24 (4637 3491 3561 7991) and 208.175.203.0/24 (4637 3491 3561 7991) 208.175.202.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 208.175.203.0/24 (4637 3491 3561 7991) 208.175.203.0/24 4637 3491 3561 7991 - Withdrawn - aggregated with 208.175.202.0/24 (4637 3491 3561 7991)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS7991 16 More Specifics 18 Total Advertisements SAVVISSTL - SAVVIS COMMUNICATIONS
144.211.46.0/24 144.211.0.0/16
144.211.47.0/24 144.211.0.0/16
144.211.96.0/24 144.211.0.0/16
144.211.97.0/24 144.211.0.0/16
148.170.32.0/22 148.170.0.0/16
148.170.92.0/24 148.170.0.0/16
148.170.94.0/24 148.170.0.0/16
148.170.192.0/24 148.170.0.0/16
202.126.10.0/23 202.126.0.0/20
202.126.12.0/23 202.126.0.0/20
202.126.14.0/24 202.126.0.0/20
205.139.91.0/24 205.138.0.0/15
206.31.224.0/22 206.30.0.0/15
208.175.202.0/24 208.175.160.0/18
208.175.203.0/24 208.175.160.0/18
208.175.208.0/23 208.175.160.0/18
whois: 402603
IANA has recorded AS7991 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS7991\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
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 7991
ASName: CENTURYLINK-LEGACY-SAVVIS-ASIA-TRANSIT
ASHandle: AS7991
RegDate: 1997-03-14
Updated: 2018-11-15
Ref: https://rdap.arin.net/registry/autnum/7991
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.
#