ASN AS16504 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16504?

AS16504 is listed under Granite Telecommunications LLC.

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.

AS16504 Granite Telecommunications LLC

ASN Lookup Tool

Granite Telecommunications LLC granitenet.com

US 206 Routes

AS Data

AS16504

AS16504 – Granite Telecommunications LLC

AS Number	16504
AS Name	GRANITE
Organization	Granite Telecommunications LLC(grani-25)
Country	US
Website	granitenet.com
Number of IPv4 Routes	197
Number of IPv6 Routes	9
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-10-14

ASN Intelligence API for production workflows

Use ASN data for AS16504 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
134.204.24.0/22	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	1024
104.218.180.0/22	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	1024
157.96.244.0/22	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	1024
172.85.176.0/22	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	1024
172.85.228.0/24	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	256
134.204.0.0/17	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	32768
172.85.184.0/21	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	2048
143.170.216.0/21	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	2048
8.42.0.0/24	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	256
162.223.80.0/22	AS16504	Granite Telecommunications LLC	Granite Telecommunications LLC	1024

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:       16504
ASName:         GRANITE
ASHandle:       AS16504
RegDate:        2013-10-14
Updated:        2013-10-14
Comment:        http://www.granitenet.com/    
Ref:            https://rdap.arin.net/registry/autnum/16504


OrgName:        Granite Telecommunications LLC
OrgId:          GRANI-25
Address:        1 Heritage Drive
City:           Quincy
StateProv:      MA
PostalCode:     02171
Country:        US
RegDate:        2008-10-07
Updated:        2025-09-15
Ref:            https://rdap.arin.net/registry/entity/GRANI-25


OrgTechHandle: MPLSA-ARIN
OrgTechName:   MPLS Admin
OrgTechPhone:  +1-617-837-4036 
OrgTechEmail:  mplsit@granitenet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MPLSA-ARIN

OrgAbuseHandle: ABUSE5606-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-617-837-5500 
OrgAbuseEmail:  abuse@granitenet.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5606-ARIN

OrgNOCHandle: MPLSA-ARIN
OrgNOCName:   MPLS Admin
OrgNOCPhone:  +1-617-837-4036 
OrgNOCEmail:  mplsit@granitenet.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MPLSA-ARIN

OrgTechHandle: GRANI-ARIN
OrgTechName:   graniteitadmin
OrgTechPhone:  +1-617-933-5500 
OrgTechEmail:  itadmin@granitenet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRANI-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
AS6091	Inmar, Inc.	US
AS286	GTT Communications Inc.	US
AS22379	Manifold Services Inc	US
AS2914	NTT America, Inc.	US
AS15319	COSCO Shipping Lines (North America) Inc.	US
AS46575	Washington Suburban Sanitary Commission	US
AS4505	WHDH TV	US
AS29938	Endicott College	US
AS4505	WHDH-TV	US
AS15319	COSCO Shipping Lines North America Inc.	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US

Downstreams

AS Number	Description	Country
AS18663	University of the Pacific	US
AS398219	Inmar, Inc.	US
AS6091	Inmar, Inc.	US
AS22379	Manifold Services Inc	US
AS393804	Midland Paper Company	US
AS23288	IANA - Autonomous System Number	ZZ
AS46575	Washington Suburban Sanitary Commission	US
AS4505	WHDH TV	US
AS29938	Endicott College	US
AS11394	City of Richardson	US