ASN AS5666 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS5666?

AS5666 is listed under Speedcast Communications, 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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS5666 Speedcast Communications, Inc

ASN Lookup Tool

Speedcast Communications, Inc speedcast.com

US 3 Routes

AS Data

AS5666

AS5666 – Speedcast Communications, Inc

AS Number	5666
AS Name	NET-CPRK
Organization	Speedcast Communications, Inc (cprk)
Country	US
Website	speedcast.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1995-08-18

ASN Intelligence API for production workflows

Use ASN data for AS5666 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.86.223.0/24	AS5666	Speedcast Communications, Inc	SPEEDCAST AUSTRALIA PTY LIMITED	256
192.23.157.0/24	AS5666	Speedcast Communications, Inc	Schlumberger Limited	256
103.212.40.0/24	AS5666	Speedcast Communications, Inc	MYNET	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:       5666
ASName:         NET-CPRK
ASHandle:       AS5666
RegDate:        1995-08-18
Updated:        2013-10-04
Ref:            https://rdap.arin.net/registry/autnum/5666


OrgName:        Speedcast Communications, Inc
OrgId:          CPRK
Address:        4400 S Sam Houston Pkwy E
City:           Houston
StateProv:      TX
PostalCode:     77048
Country:        US
RegDate:        1998-12-15
Updated:        2024-11-28
Ref:            https://rdap.arin.net/registry/entity/CPRK


OrgAbuseHandle: ABUSE4977-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +1-832-668-2300 
OrgAbuseEmail:  network.abuse@speedcast.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4977-ARIN

OrgTechHandle: JJS114-ARIN
OrgTechName:   Salomons, Jason Jason
OrgTechPhone:  +0414663785 
OrgTechEmail:  jason.salomons@speedcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JJS114-ARIN

OrgTechHandle: CUNHA7-ARIN
OrgTechName:   Cunha, Fernanda 
OrgTechPhone:  +55213900 
OrgTechEmail:  fernanda.cunha@speedcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CUNHA7-ARIN

OrgTechHandle: INA11-ARIN
OrgTechName:   IP Network Admin
OrgTechPhone:  +1-832-668-2300 
OrgTechEmail:  ip-admin@speedcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INA11-ARIN

OrgTechHandle: SAJJA23-ARIN
OrgTechName:   Sajjan, Soumya 
OrgTechPhone:  +44 1224 707377 
OrgTechEmail:  soumya.sajjan@speedcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SAJJA23-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" : "5666",
    "as_handle" : "AS5666",
    "as_name" : "NET-CPRK",
    "tech_contacts" : [ "JJS114-ARIN", "CUNHA7-ARIN", "INA11-ARIN", "SAJJA23-ARIN" ],
    "abuse_contacts" : [ "ABUSE4977-ARIN" ],
    "date_created" : "1995-08-18",
    "date_updated" : "2013-10-04",
    "source" : "https://rdap.arin.net/registry/autnum/5666"
  } ],
  "organization" : {
    "handle" : "CPRK",
    "name" : "Speedcast Communications, Inc",
    "address" : [ "4400 S Sam Houston Pkwy E", "Houston", "TX", "77048", "US" ],
    "street" : "S Sam Houston Pkwy E",
    "city" : "Houston",
    "state" : "TX",
    "zip_code" : "77048",
    "country" : [ "US" ],
    "date_created" : "1998-12-15",
    "date_updated" : "2024-11-28",
    "source" : "https://rdap.arin.net/registry/entity/CPRK",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "JJS114-ARIN",
    "name" : "Salomons, Jason Jason",
    "email" : [ "jason.salomons@speedcast.com" ],
    "phone" : [ "+0414663785" ],
    "source" : "https://rdap.arin.net/registry/entity/JJS114-ARIN"
  }, {
    "handle" : "CUNHA7-ARIN",
    "name" : "Cunha, Fernanda",
    "email" : [ "fernanda.cunha@speedcast.com" ],
    "phone" : [ "+55213900" ],
    "source" : "https://rdap.arin.net/registry/entity/CUNHA7-ARIN"
  }, {
    "handle" : "INA11-ARIN",
    "name" : "IP Network Admin",
    "email" : [ "ip-admin@speedcast.com" ],
    "phone" : [ "+1-832-668-2300" ],
    "source" : "https://rdap.arin.net/registry/entity/INA11-ARIN"
  }, {
    "handle" : "SAJJA23-ARIN",
    "name" : "Sajjan, Soumya",
    "email" : [ "soumya.sajjan@speedcast.com" ],
    "phone" : [ "+44 1224 707377" ],
    "source" : "https://rdap.arin.net/registry/entity/SAJJA23-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE4977-ARIN",
    "name" : "Abuse Contact",
    "email" : [ "network.abuse@speedcast.com" ],
    "phone" : [ "+1-832-668-2300" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE4977-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS38456	SPEEDCAST AUSTRALIA PTY LIMITED	AU
AS4230	CLARO S.A.	BR

Upstreams

AS Number	Description	Country
AS38456	SPEEDCAST AUSTRALIA PTY LIMITED	AU
AS4230	CLARO S.A.	BR

Contacts

Email Contacts

soumya.sajjan@speedcast.com ip-admin@speedcast.com jason.salomons@speedcast.com fernanda.cunha@speedcast.com

Abuse Contacts

network.abuse@speedcast.com