ASN AS40631 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40631?

AS40631 is listed under Mastec, 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.

AS40631 Mastec, Inc | IPGeolocation.io

ASN Lookup Tool

Mastec, Inc mastec.com

US 7 Routes

AS Data

AS40631

AS40631 – Mastec, Inc

AS Number	40631
AS Name	MASTEC-PRIVATE
Organization	Mastec, Inc(maste-92)
Country	US
Website	mastec.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-04-15

ASN Intelligence API for production workflows

Use ASN data for AS40631 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.151.55.0/24	AS40631	Mastec, Inc	MASTEC NORTH AMERICA, INC.	256
63.160.168.0/22	AS40631	Mastec, Inc	Mastec North America, Inc.	1024
12.129.82.0/24	AS40631	Mastec, Inc	CERFnet	256
63.160.168.0/24	AS40631	Mastec, Inc	Mastec North America, Inc.	256
63.160.169.0/24	AS40631	Mastec, Inc	Mastec North America, Inc.	256
63.160.170.0/23	AS40631	Mastec, Inc	Mastec North America, Inc.	512
63.160.168.0/23	AS40631	Mastec, Inc	Mastec North America, Inc.	512

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:       40631
ASName:         MASTEC-PRIVATE
ASHandle:       AS40631
RegDate:        2011-04-15
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/40631


OrgName:        Mastec, Inc
OrgId:          MASTE-92
Address:        800 S Douglas Road, 12th Floor
City:           Coral Gables
StateProv:      FL
PostalCode:     33134
Country:        US
RegDate:        2011-04-11
Updated:        2020-07-21
Ref:            https://rdap.arin.net/registry/entity/MASTE-92


OrgAbuseHandle: LAKEN7-ARIN
OrgAbuseName:   Lake, Neal 
OrgAbusePhone:  +1-305-507-7331 
OrgAbuseEmail:  neal.lake@mastec.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAKEN7-ARIN

OrgAbuseHandle: CARRI118-ARIN
OrgAbuseName:   Carrillo, Frank 
OrgAbusePhone:  +1-305-507-7348 
OrgAbuseEmail:  frank.carrillo@mastec.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CARRI118-ARIN

OrgTechHandle: LAKEN7-ARIN
OrgTechName:   Lake, Neal 
OrgTechPhone:  +1-305-507-7331 
OrgTechEmail:  neal.lake@mastec.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LAKEN7-ARIN

OrgTechHandle: CARRI118-ARIN
OrgTechName:   Carrillo, Frank 
OrgTechPhone:  +1-305-507-7348 
OrgTechEmail:  frank.carrillo@mastec.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CARRI118-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

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS174	Cogent Communications, LLC	US