ASN AS5696 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS5696?

AS5696 is listed under Express Scripts Incorporated.

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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AS5696 Express Scripts Incorporated

ASN Lookup Tool

Express Scripts Incorporated express-scripts.com

US 45 Routes

AS Data

AS5696

AS5696 – Express Scripts Incorporated

AS Number	5696
AS Name	EXPRES
Organization	Express Scripts Incorporated (expres)
Country	US
Website	express-scripts.com
Number of IPv4 Routes	45
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-10-05

ASN Intelligence API for production workflows

Use ASN data for AS5696 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
167.18.72.0/21	AS5696	Express Scripts Incorporated	Express Scripts Incorporated	2048
167.211.100.0/24	AS5696	Express Scripts Incorporated	Medco Health Solutions, Inc	256
199.204.156.0/24	AS5696	Express Scripts Incorporated	Medsolutions, Inc	256
167.211.2.0/24	AS5696	Express Scripts Incorporated	Medco Health Solutions, Inc	256
167.18.176.0/20	AS5696	Express Scripts Incorporated	Express Scripts Incorporated	4096
167.18.107.0/24	AS5696	Express Scripts Incorporated	Express Scripts Incorporated	256
167.211.210.0/24	AS5696	Express Scripts Incorporated	Medco Health Solutions, Inc	256
167.18.11.0/24	AS5696	Express Scripts Incorporated	Express Scripts Incorporated	256
167.211.24.0/21	AS5696	Express Scripts Incorporated	Medco Health Solutions, Inc	2048
167.211.172.0/24	AS5696	Express Scripts Incorporated	Medco Health Solutions, Inc	256

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:       5696
ASName:         EXPRES
ASHandle:       AS5696
RegDate:        2009-10-05
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/5696


OrgName:        Express Scripts Incorporated
OrgId:          EXPRES
Address:        One Express Way
City:           St. Louis
StateProv:      MO
PostalCode:     63121
Country:        US
RegDate:        1994-06-01
Updated:        2011-06-10
Ref:            https://rdap.arin.net/registry/entity/EXPRES


OrgTechHandle: DATAC1-ARIN
OrgTechName:   Data Communications
OrgTechPhone:  +1-800-332-5455 
OrgTechEmail:  esidatacomm@express-scripts.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DATAC1-ARIN

OrgAbuseHandle: DATAC1-ARIN
OrgAbuseName:   Data Communications
OrgAbusePhone:  +1-800-332-5455 
OrgAbuseEmail:  esidatacomm@express-scripts.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DATAC1-ARIN

OrgNOCHandle: DATAC1-ARIN
OrgNOCName:   Data Communications
OrgNOCPhone:  +1-800-332-5455 
OrgNOCEmail:  esidatacomm@express-scripts.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DATAC1-ARIN

RNOCHandle: DATAC1-ARIN
RNOCName:   Data Communications
RNOCPhone:  +1-800-332-5455 
RNOCEmail:  esidatacomm@express-scripts.com
RNOCRef:    https://rdap.arin.net/registry/entity/DATAC1-ARIN

RAbuseHandle: DATAC1-ARIN
RAbuseName:   Data Communications
RAbusePhone:  +1-800-332-5455 
RAbuseEmail:  esidatacomm@express-scripts.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DATAC1-ARIN

RTechHandle: DATAC1-ARIN
RTechName:   Data Communications
RTechPhone:  +1-800-332-5455 
RTechEmail:  esidatacomm@express-scripts.com
RTechRef:    https://rdap.arin.net/registry/entity/DATAC1-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" : "5696",
    "as_handle" : "AS5696",
    "as_name" : "EXPRES",
    "tech_contacts" : [ "DATAC1-ARIN", "DATAC1-ARIN" ],
    "abuse_contacts" : [ "DATAC1-ARIN", "DATAC1-ARIN" ],
    "date_created" : "2009-10-05",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/5696"
  } ],
  "organization" : {
    "handle" : "EXPRES",
    "name" : "Express Scripts Incorporated",
    "address" : [ "One Express Way", "St. Louis", "MO", "63121", "US" ],
    "street" : "One Express Way",
    "city" : "St. Louis",
    "state" : "MO",
    "zip_code" : "63121",
    "country" : [ "US" ],
    "date_created" : "1994-06-01",
    "date_updated" : "2011-06-10",
    "source" : "https://rdap.arin.net/registry/entity/EXPRES",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "DATAC1-ARIN",
    "name" : "Data Communications",
    "email" : [ "esidatacomm@express-scripts.com" ],
    "phone" : [ "+1-800-332-5455" ],
    "source" : "https://rdap.arin.net/registry/entity/DATAC1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "DATAC1-ARIN",
    "name" : "Data Communications",
    "email" : [ "esidatacomm@express-scripts.com" ],
    "phone" : [ "+1-800-332-5455" ],
    "source" : "https://rdap.arin.net/registry/entity/DATAC1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS32787	Akamai Technologies, Inc.	US