ASN AS11739 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11739?

AS11739 is listed under Digital Fortress, Inc..

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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AS11739 Digital Fortress, Inc.

ASN Lookup Tool

Digital Fortress, Inc. digitalfortress.io

US 3 Routes

AS Data

AS11739

AS11739 – Digital Fortress, Inc.

AS Number	11739
AS Name	CHIRISA-TECHNOLOGY-PARKS-01
Organization	Digital Fortress, Inc. (df-35)
Country	US
Website	digitalfortress.io
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1998-12-03

ASN Intelligence API for production workflows

Use ASN data for AS11739 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.209.162.0/24	AS11739	Digital Fortress, Inc.	Chirisa Technology Parks	256
209.20.152.0/24	AS11739	Digital Fortress, Inc.	Chirisa Piscataway Inc.	256
209.20.153.0/24	AS11739	Digital Fortress, Inc.	Chirisa Piscataway 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:       11739
ASName:         CHIRISA-TECHNOLOGY-PARKS-01
ASHandle:       AS11739
RegDate:        1998-12-03
Updated:        2024-08-06
Ref:            https://rdap.arin.net/registry/autnum/11739


OrgName:        Digital Fortress, Inc.
OrgId:          DF-35
Address:        12101 Tukwila International Blvd, Suite 410
City:           Seattle
StateProv:      WA
PostalCode:     98168
Country:        US
RegDate:        2012-09-06
Updated:        2026-02-09
Comment:        http://www.digital-fortress.com
Comment:        NOC hours are 7x24
Ref:            https://rdap.arin.net/registry/entity/DF-35


OrgNOCHandle: NOC13423-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-206-838-1630 
OrgNOCEmail:  support@digitalfortress.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC13423-ARIN

OrgDNSHandle: SYSOP16-ARIN
OrgDNSName:   SysOps
OrgDNSPhone:  +1-206-395-7163 
OrgDNSEmail:  sysops@dfcolo.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SYSOP16-ARIN

OrgTechHandle: CCF7-ARIN
OrgTechName:   Freiburger, Cody Charles
OrgTechPhone:  +1-206-746-6015 
OrgTechEmail:  cody.freiburger@dfcolo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CCF7-ARIN

OrgTechHandle: PERRY485-ARIN
OrgTechName:   Perry, Steve 
OrgTechPhone:  +1-360-265-1643 
OrgTechEmail:  steve.perry@ziply.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PERRY485-ARIN

OrgAbuseHandle: ABUSE3969-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-206-838-1630 
OrgAbuseEmail:  abuse@digitalfortress.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3969-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" : "11739",
    "as_handle" : "AS11739",
    "as_name" : "CHIRISA-TECHNOLOGY-PARKS-01",
    "admin_contacts" : [ "SYSOP16-ARIN" ],
    "tech_contacts" : [ "CCF7-ARIN", "PERRY485-ARIN" ],
    "abuse_contacts" : [ "ABUSE3969-ARIN" ],
    "date_created" : "1998-12-03",
    "date_updated" : "2024-08-06",
    "source" : "https://rdap.arin.net/registry/autnum/11739"
  } ],
  "organization" : {
    "handle" : "DF-35",
    "name" : "Digital Fortress, Inc.",
    "address" : [ "12101 Tukwila International Blvd, Suite 410", "Seattle", "WA", "98168", "US" ],
    "street" : "Tukwila International Blvd",
    "city" : "Seattle",
    "state" : "WA",
    "zip_code" : "98168",
    "country" : [ "US" ],
    "date_created" : "2012-09-06",
    "date_updated" : "2026-02-09",
    "source" : "https://rdap.arin.net/registry/entity/DF-35",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "SYSOP16-ARIN",
    "name" : "SysOps",
    "email" : [ "sysops@dfcolo.com" ],
    "phone" : [ "+1-206-395-7163" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSOP16-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "CCF7-ARIN",
    "name" : "Freiburger, Cody Charles",
    "email" : [ "cody.freiburger@dfcolo.com" ],
    "phone" : [ "+1-206-746-6015" ],
    "source" : "https://rdap.arin.net/registry/entity/CCF7-ARIN"
  }, {
    "handle" : "PERRY485-ARIN",
    "name" : "Perry, Steve",
    "email" : [ "steve.perry@ziply.com" ],
    "phone" : [ "+1-360-265-1643" ],
    "source" : "https://rdap.arin.net/registry/entity/PERRY485-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE3969-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@digitalfortress.io" ],
    "phone" : [ "+1-206-838-1630" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE3969-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS20055	Wholesail networks LLC	US
AS701	Verizon Business/UUnet	US
AS3361	Digital Fortress, Inc.	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US
AS21508	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS20055	Wholesail networks LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US
AS21508	Comcast Cable Communications, LLC	US