ASN Lookup Tool

Parsons Corporation parsons.com US US 0 Routes

AS Data

AS551

AS551Parsons Corporation

AS Number 551
AS Name AS551
Organization Parsons Corporation(pcip)
Country US
Website parsons.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 1989-11-13

ASN Intelligence API for production workflows

Use ASN data for AS551 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

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:       551
ASName:         AS551
ASHandle:       AS551
RegDate:        1989-11-13
Updated:        2015-07-02    
Ref:            https://rdap.arin.net/registry/autnum/551


OrgName:        Parsons Corporation
OrgId:          PCIP
Address:        100 W. Walnut Street
City:           Pasadena
StateProv:      CA
PostalCode:     91124
Country:        US
RegDate:        2011-06-16
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/PCIP


OrgTechHandle: HO35-ORG-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-800-252-8108 
OrgTechEmail:  Hostmaster@parsons.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HO35-ORG-ARIN

OrgAbuseHandle: HO35-ORG-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-800-252-8108 
OrgAbuseEmail:  Hostmaster@parsons.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HO35-ORG-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

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS551 is an Autonomous System Number used to identify a network for BGP internet routing.
AS551 is listed under Parsons Corporation.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.