11985 ASN-SSA, US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3, US
AS209 CENTURYLINK-US-LEGACY-QWEST, US
AS701 UUNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4217 AS11985 ORIGIN Originate: 54016 /16.28 Transit: 0 /0.00 ASN-SSA, 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 % 9890 AS11985 ASN-SSA, US 13 7 3 9 4 30.77% Prefix AS Path Aggregation Suggestion 137.200.0.0/18 7018 3356 11985 11985 11985 137.200.0.0/19 3257 701 11985 137.200.0.0/18 7018 3356 11985 + Announce - aggregate of 137.200.0.0/19 (7018 3356 11985) and 137.200.32.0/19 (7018 3356 11985) 137.200.0.0/20 7018 3356 11985 - Withdrawn - aggregated with 137.200.16.0/20 (7018 3356 11985) 137.200.11.0/24 3303 3356 11985 137.200.16.0/20 7018 3356 11985 - Withdrawn - aggregated with 137.200.0.0/20 (7018 3356 11985) 137.200.32.0/19 7018 3356 11985 - Withdrawn - aggregated with 137.200.0.0/19 (7018 3356 11985) 137.200.32.0/19 3257 701 11985 + Announce - aggregate of 137.200.32.0/20 (3257 701 11985) and 137.200.48.0/20 (3257 701 11985) 137.200.32.0/20 3257 701 11985 - Withdrawn - aggregated with 137.200.48.0/20 (3257 701 11985) 137.200.48.0/20 3257 701 11985 - Withdrawn - aggregated with 137.200.32.0/20 (3257 701 11985) 137.200.49.0/24 3303 3356 11985 137.200.228.0/24 7018 3356 209 11985 199.173.224.0/21 7018 3356 11985 199.173.224.0/21 3257 701 11985 + Announce - aggregate of 199.173.224.0/22 (3257 701 11985) and 199.173.228.0/22 (3257 701 11985) 199.173.224.0/22 3257 701 11985 - Withdrawn - aggregated with 199.173.228.0/22 (3257 701 11985) 199.173.228.0/22 3257 701 11985 - Withdrawn - aggregated with 199.173.224.0/22 (3257 701 11985)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11985 9 More Specifics 9 Total Advertisements ASN-SSA, US
137.200.0.0/19 137.200.0.0/16
137.200.0.0/20 137.200.0.0/16
137.200.16.0/20 137.200.0.0/16
137.200.32.0/19 137.200.0.0/16
137.200.32.0/20 137.200.0.0/16
137.200.48.0/20 137.200.0.0/16
137.200.228.0/24 137.200.0.0/16
199.173.224.0/21 199.172.0.0/15
199.173.224.0/22 199.172.0.0/15
137.200.0.0/18 137.200.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 137.200.0.0/18 Withdrawn
whois: 402590
IANA has recorded AS11985 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11985\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# 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: 11985
ASName: ASN-SSA
ASHandle: AS11985
RegDate: 1999-02-22
Updated: 2022-01-07
Ref: https://rdap.arin.net/registry/autnum/11985
OrgName: Social Security Administration
OrgId: SSA-6
Address: 6401 Security Boulevard
City: Baltimore
StateProv: MD
PostalCode: 21235
Country: US
RegDate: 1990-01-03
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/SSA-6
OrgRoutingHandle: DENNI258-ARIN
OrgRoutingName: Dennis, Michael
OrgRoutingPhone: +1-410-966-4310
OrgRoutingEmail: michael.a.dennis@ssa.gov
OrgRoutingRef: https://rdap.arin.net/registry/entity/DENNI258-ARIN
OrgTechHandle: TRACY95-ARIN
OrgTechName: Tracy, Tedd
OrgTechPhone: +1-410-966-8272
OrgTechEmail: tedd.c.tracy@ssa.gov
OrgTechRef: https://rdap.arin.net/registry/entity/TRACY95-ARIN
OrgTechHandle: REEDG14-ARIN
OrgTechName: Reed, Gregory
OrgTechPhone: +1-877-897-0598
OrgTechEmail: gregory.reed@ssa.gov
OrgTechRef: https://rdap.arin.net/registry/entity/REEDG14-ARIN
OrgDNSHandle: TRACY95-ARIN
OrgDNSName: Tracy, Tedd
OrgDNSPhone: +1-410-966-8272
OrgDNSEmail: tedd.c.tracy@ssa.gov
OrgDNSRef: https://rdap.arin.net/registry/entity/TRACY95-ARIN
OrgAbuseHandle: JED77-ARIN
OrgAbuseName: Devnew, Jason Edward
OrgAbusePhone: +1-410-966-1852
OrgAbuseEmail: jason.devnew@ssa.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/JED77-ARIN
OrgDNSHandle: REEDG14-ARIN
OrgDNSName: Reed, Gregory
OrgDNSPhone: +1-877-897-0598
OrgDNSEmail: gregory.reed@ssa.gov
OrgDNSRef: https://rdap.arin.net/registry/entity/REEDG14-ARIN
OrgTechHandle: JED77-ARIN
OrgTechName: Devnew, Jason Edward
OrgTechPhone: +1-410-966-1852
OrgTechEmail: jason.devnew@ssa.gov
OrgTechRef: https://rdap.arin.net/registry/entity/JED77-ARIN
RTechHandle: JED77-ARIN
RTechName: Devnew, Jason Edward
RTechPhone: +1-410-966-1852
RTechEmail: jason.devnew@ssa.gov
RTechRef: https://rdap.arin.net/registry/entity/JED77-ARIN
RAbuseHandle: JED77-ARIN
RAbuseName: Devnew, Jason Edward
RAbusePhone: +1-410-966-1852
RAbuseEmail: jason.devnew@ssa.gov
RAbuseRef: https://rdap.arin.net/registry/entity/JED77-ARIN
RNOCHandle: JED77-ARIN
RNOCName: Devnew, Jason Edward
RNOCPhone: +1-410-966-1852
RNOCEmail: jason.devnew@ssa.gov
RNOCRef: https://rdap.arin.net/registry/entity/JED77-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.
#