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AS15277 Hill International, Inc.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Hill International, Inc. hillintl.com

US 5 Routes

AS Data

AS15277

AS15277 – Hill International, Inc.

AS Number	15277
AS Name	HILLINTL-USMRL1
Organization	Hill International, Inc.(hilli-6)
Country	US
Website	hillintl.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-09-04

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.7.175.0/24	AS15277	Hill International, Inc.	HILL INTERNATIONAL	256
63.119.222.0/24	AS15277	Hill International, Inc.	HILL INTERNATIONAL	256
104.207.207.0/24	AS15277	Hill International, Inc.	Hill International	256
67.200.91.0/24	AS15277	Hill International, Inc.	HILL INTERNATIONAL	256
72.22.166.0/24	AS15277	Hill International, Inc.	Production Resource Group	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:       15277
ASName:         HILLINTL-USMRL1
ASHandle:       AS15277
RegDate:        2008-09-04
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/15277


OrgName:        Hill International, Inc.
OrgId:          HILLI-6
Address:        One Commerce Square
Address:        2005 Market Street, 17th floor
City:           Philadelphia
StateProv:      PA
PostalCode:     19103
Country:        US
RegDate:        2008-08-27
Updated:        2025-03-12
Ref:            https://rdap.arin.net/registry/entity/HILLI-6


OrgAbuseHandle: HOSTM1264-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-609-367-3172 
OrgAbuseEmail:  hostmaster@hillintl.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM1264-ARIN

OrgTechHandle: HOSTM1264-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-609-367-3172 
OrgTechEmail:  hostmaster@hillintl.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1264-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
AS46887	Crown Castle Fiber LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Frequently Asked Questions

What is ASN AS15277?

ASN AS15277 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15277?

AS15277 is listed under Hill International, Inc..

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.