ASN AS27506 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27506?

AS27506 is listed under Zayo Bandwidth.

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.

AS27506 Zayo Bandwidth | IPGeolocation.io

ASN Lookup Tool

Zayo Bandwidth zayo.com

US 17 Routes

AS Data

AS27506

AS27506 – Zayo Bandwidth

AS Number	27506
AS Name	ZAYO-CCF-AS27506
Organization	Zayo Bandwidth (zayob)
Country	US
Website	zayo.com
Number of IPv4 Routes	17
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-03-19

ASN Intelligence API for production workflows

Use ASN data for AS27506 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.148.32.0/20	AS46887	Zayo Bandwidth	Steelcase Inc	4096
64.20.179.0/24	AS27506	Zayo Bandwidth	DREAM TEAM ASSOCIATES LLC	256
64.20.175.0/24	AS27506	Zayo Bandwidth	FIDESSA CORPORATION	256
76.8.64.0/20	AS46887	Zayo Bandwidth	New Rochelle Schools Supt	4096
64.20.186.0/24	AS27506	Zayo Bandwidth	ABRAHAM JOSHUA HESHEL SCHOOL	256
64.20.177.0/24	AS27506	Zayo Bandwidth	DREAM TEAM ASSOCIATES LLC	256
209.148.32.0/19	AS46887	Zayo Bandwidth	Steelcase Inc	8192
209.148.48.0/20	AS46887	Zayo Bandwidth	Orion Family Physicians	4096
64.20.180.0/24	AS27506	Zayo Bandwidth	Massachusetts Convention Center Authority	256
64.20.187.0/24	AS27506	Zayo Bandwidth	THEORY LLC	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:       27506
ASName:         ZAYO-CCF-AS27506
ASHandle:       AS27506
RegDate:        2003-03-19
Updated:        2026-06-01
Ref:            https://rdap.arin.net/registry/autnum/27506



OrgName:        Zayo Bandwidth
OrgId:          ZAYOB
Address:        1401 Wynkoop St.
Address:        #500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2007-10-12
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/ZAYOB


OrgTechHandle: ZIE-ARIN
OrgTechName:   Zayo IP Engineering
OrgTechPhone:  +1-866-236-2824 
OrgTechEmail:  ipeng@zayo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-866-236-2824 
OrgAbuseEmail:  abuse@zayo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN

OrgNOCHandle: ZIE-ARIN
OrgNOCName:   Zayo IP Engineering
OrgNOCPhone:  +1-866-236-2824 
OrgNOCEmail:  ipeng@zayo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "27506",
    "as_handle" : "AS27506",
    "as_name" : "ZAYO-CCF-AS27506",
    "tech_contacts" : [ "ZIE-ARIN" ],
    "abuse_contacts" : [ "ABUSE5675-ARIN" ],
    "date_created" : "2003-03-19",
    "date_updated" : "2026-06-01",
    "source" : "https://rdap.arin.net/registry/autnum/27506"
  } ],
  "organization" : {
    "handle" : "ZAYOB",
    "name" : "Zayo Bandwidth",
    "address" : [ "1401 Wynkoop St.", "Denver", "CO", "80202", "US" ],
    "street" : "Wynkoop St.",
    "city" : "Denver",
    "state" : "CO",
    "zip_code" : "80202",
    "country" : [ "US" ],
    "date_created" : "2007-10-12",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/ZAYOB",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZIE-ARIN",
    "name" : "Zayo IP Engineering",
    "email" : [ "ipeng@zayo.com" ],
    "phone" : [ "+1-866-236-2824" ],
    "source" : "https://rdap.arin.net/registry/entity/ZIE-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE5675-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@zayo.com" ],
    "phone" : [ "+1-866-236-2824" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE5675-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS23004	VIEWTRADE SECURITIES	US
AS46887	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS46887	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS23004	VIEWTRADE SECURITIES	US

Contacts

Email Contacts

ipeng@zayo.com

Abuse Contacts

abuse@zayo.com