ASN AS19951 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19951?

AS19951 is listed under Measurement 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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AS19951 Measurement Incorporated

ASN Lookup Tool

Measurement Incorporated measinc.com

US 1 Routes

AS Data

AS19951

AS19951 – Measurement Incorporated

AS Number	19951
AS Name	MEASUREMENT-INCORPORATED-DURHAM-DATACENTER-AS
Organization	Measurement Incorporated(measu-11)
Country	US
Website	measinc.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2010-01-14

ASN Intelligence API for production workflows

Use ASN data for AS19951 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
8.224.179.0/24	AS19951	Measurement Incorporated	Measurement Incorporated	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:       19951
ASName:         MEASUREMENT-INCORPORATED-DURHAM-DATACENTER-AS
ASHandle:       AS19951
RegDate:        2010-01-14
Updated:        2022-02-24
Comment:        http://measinc.com    
Ref:            https://rdap.arin.net/registry/autnum/19951


OrgName:        Measurement Incorporated
OrgId:          MEASU-11
Address:        407 Morris Street
City:           Durham
StateProv:      NC
PostalCode:     27701
Country:        US
RegDate:        2009-10-19
Updated:        2023-05-30
Ref:            https://rdap.arin.net/registry/entity/MEASU-11


OrgAbuseHandle: ELE24-ARIN
OrgAbuseName:   Lewis, Eric 
OrgAbusePhone:  +1-919-641-4734 
OrgAbuseEmail:  elewis@measinc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

OrgRoutingHandle: ELE24-ARIN
OrgRoutingName:   Lewis, Eric 
OrgRoutingPhone:  +1-919-641-4734 
OrgRoutingEmail:  elewis@measinc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

OrgNOCHandle: ELE24-ARIN
OrgNOCName:   Lewis, Eric 
OrgNOCPhone:  +1-919-641-4734 
OrgNOCEmail:  elewis@measinc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

OrgTechHandle: ELE24-ARIN
OrgTechName:   Lewis, Eric 
OrgTechPhone:  +1-919-641-4734 
OrgTechEmail:  elewis@measinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

OrgDNSHandle: ELE24-ARIN
OrgDNSName:   Lewis, Eric 
OrgDNSPhone:  +1-919-641-4734 
OrgDNSEmail:  elewis@measinc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

RNOCHandle: ELE24-ARIN
RNOCName:   Lewis, Eric 
RNOCPhone:  +1-919-641-4734 
RNOCEmail:  elewis@measinc.com
RNOCRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

RTechHandle: ELE24-ARIN
RTechName:   Lewis, Eric 
RTechPhone:  +1-919-641-4734 
RTechEmail:  elewis@measinc.com
RTechRef:    https://rdap.arin.net/registry/entity/ELE24-ARIN

RAbuseHandle: ELE24-ARIN
RAbuseName:   Lewis, Eric 
RAbusePhone:  +1-919-641-4734 
RAbuseEmail:  elewis@measinc.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ELE24-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
AS5650	Frontier Communications of America, Inc.	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS5650	Frontier Communications of America, Inc.	US