ASN AS11985 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11985?

AS11985 is listed under Social Security Administration.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS11985 Social Security Administration

ASN Lookup Tool

Social Security Administration ssa.gov

US 18 Routes

AS Data

AS11985

AS11985 – Social Security Administration

AS Number	11985
AS Name	ASN-SSA
Organization	Social Security Administration(ssa-6)
Country	US
Website	ssa.gov
Number of IPv4 Routes	14
Number of IPv6 Routes	4
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	1999-02-22

ASN Intelligence API for production workflows

Use ASN data for AS11985 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.173.224.0/22	AS11985	Social Security Administration	Social Security Administration	1024
137.200.40.0/24	AS11985	Social Security Administration	Social Security Administration	256
137.200.0.0/20	AS11985	Social Security Administration	Social Security Administration	4096
137.200.7.0/24	AS11985	Social Security Administration	Social Security Administration	256
137.200.11.0/24	AS11985	Social Security Administration	Social Security Administration	256
137.200.32.0/20	AS11985	Social Security Administration	Social Security Administration	4096
137.200.0.0/19	AS11985	Social Security Administration	Social Security Administration	8192
2001:1930:3c10::/48	AS11985	Social Security Administration	Social Security Administration	~1×10²⁴
137.200.32.0/19	AS11985	Social Security Administration	Social Security Administration	8192
2001:1930:d00::/41	AS11985	Social Security Administration	Social Security Administration	~155×10²⁴

Raw Whois Response

#
# 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:       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


OrgTechHandle: REEDG14-ARIN
OrgTechName:   Reed, Gregory 
OrgTechPhone:  +1-919-606-6909 
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

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

OrgDNSHandle: REEDG14-ARIN
OrgDNSName:   Reed, Gregory 
OrgDNSPhone:  +1-919-606-6909 
OrgDNSEmail:  gregory.reed@ssa.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/REEDG14-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

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

OrgRoutingHandle: DENNI258-ARIN
OrgRoutingName:   Dennis, Michael 
OrgRoutingPhone:  +1-443-204-2706 
OrgRoutingEmail:  michael.a.dennis@ssa.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DENNI258-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

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

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


#
# 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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "11985",
    "as_handle" : "AS11985",
    "as_name" : "ASN-SSA",
    "admin_contacts" : [ "TRACY95-ARIN", "REEDG14-ARIN" ],
    "tech_contacts" : [ "REEDG14-ARIN", "TRACY95-ARIN", "JED77-ARIN", "DENNI258-ARIN", "JED77-ARIN" ],
    "abuse_contacts" : [ "JED77-ARIN", "JED77-ARIN" ],
    "date_created" : "1999-02-22",
    "date_updated" : "2022-01-07",
    "source" : "https://rdap.arin.net/registry/autnum/11985"
  } ],
  "organization" : {
    "handle" : "SSA-6",
    "name" : "Social Security Administration",
    "address" : [ "6401 Security Boulevard", "Baltimore", "MD", "21235", "US" ],
    "street" : "Security Boulevard",
    "city" : "Baltimore",
    "state" : "MD",
    "zip_code" : "21235",
    "country" : [ "US" ],
    "date_created" : "1990-01-03",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/SSA-6",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "TRACY95-ARIN",
    "name" : "Tracy, Tedd",
    "email" : [ "tedd.c.tracy@ssa.gov" ],
    "phone" : [ "+1-410-966-8272" ],
    "source" : "https://rdap.arin.net/registry/entity/TRACY95-ARIN"
  }, {
    "handle" : "REEDG14-ARIN",
    "name" : "Reed, Gregory",
    "email" : [ "gregory.reed@ssa.gov" ],
    "phone" : [ "+1-919-606-6909" ],
    "source" : "https://rdap.arin.net/registry/entity/REEDG14-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "REEDG14-ARIN",
    "name" : "Reed, Gregory",
    "email" : [ "gregory.reed@ssa.gov" ],
    "phone" : [ "+1-919-606-6909" ],
    "source" : "https://rdap.arin.net/registry/entity/REEDG14-ARIN"
  }, {
    "handle" : "TRACY95-ARIN",
    "name" : "Tracy, Tedd",
    "email" : [ "tedd.c.tracy@ssa.gov" ],
    "phone" : [ "+1-410-966-8272" ],
    "source" : "https://rdap.arin.net/registry/entity/TRACY95-ARIN"
  }, {
    "handle" : "JED77-ARIN",
    "name" : "Devnew, Jason Edward",
    "email" : [ "jason.devnew@ssa.gov" ],
    "phone" : [ "+1-410-966-1852" ],
    "source" : "https://rdap.arin.net/registry/entity/JED77-ARIN"
  }, {
    "handle" : "DENNI258-ARIN",
    "name" : "Dennis, Michael",
    "email" : [ "michael.a.dennis@ssa.gov" ],
    "phone" : [ "+1-443-204-2706" ],
    "source" : "https://rdap.arin.net/registry/entity/DENNI258-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JED77-ARIN",
    "name" : "Devnew, Jason Edward",
    "email" : [ "jason.devnew@ssa.gov" ],
    "phone" : [ "+1-410-966-1852" ],
    "source" : "https://rdap.arin.net/registry/entity/JED77-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS701	Verizon Business/UUnet	US
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US
AS1321	Verizon Business	US

Upstreams

AS Number	Description	Country
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US
AS1321	Verizon Business	US