ASN AS17025 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17025?

AS17025 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.

AS17025 Zayo Bandwidth | IPGeolocation.io

ASN Lookup Tool

Zayo Bandwidth zayo.com

US 62 Routes

AS Data

AS17025

AS17025 – Zayo Bandwidth

AS Number	17025
AS Name	ZAYO-CUSTOMER-17025
Organization	Zayo Bandwidth (zayob)
Country	US
Website	zayo.com
Number of IPv4 Routes	60
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2000-07-14

ASN Intelligence API for production workflows

Use ASN data for AS17025 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
161.97.0.0/24	AS17025	Zayo Bandwidth	Boulder Valley School District BVSD	256
69.147.6.0/24	AS17025	Zayo Bandwidth	Education Service Center Region	256
208.184.20.0/24	AS17025	Zayo Bandwidth	Zayo Bandwidth	256
205.209.193.0/24	AS17025	Zayo Bandwidth	Chicago Mercantile Exchange	256
69.147.1.0/24	AS17025	Zayo Bandwidth	Education Service Center Region	256
209.133.100.0/24	AS17025	Zayo Bandwidth	American Registry for Internet Numbers	256
208.184.52.0/24	AS17025	Zayo Bandwidth	Camden Development, INC.	256
162.18.77.0/24	AS17025	Zayo Bandwidth	Ball Corporation	256
209.133.102.0/24	AS17025	Zayo Bandwidth	Arlington ISD	256
66.46.216.0/24	AS17025	Zayo Bandwidth	Zayo Bandwidth	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:       17025
ASName:         ZAYO-CUSTOMER-17025
ASHandle:       AS17025
RegDate:        2000-07-14
Updated:        2023-05-10
Comment:        AS17025 IS TO ONLY BE USED BY CUSTOMERS UNABLE TO OBTAIN AN ASN FROM THEIR RIR WHEN CONNECTING TO AS6461.
Ref:            https://rdap.arin.net/registry/autnum/17025


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" : "17025",
    "as_handle" : "AS17025",
    "as_name" : "ZAYO-CUSTOMER-17025",
    "tech_contacts" : [ "ZIE-ARIN" ],
    "abuse_contacts" : [ "ABUSE5675-ARIN" ],
    "date_created" : "2000-07-14",
    "date_updated" : "2023-05-10",
    "source" : "https://rdap.arin.net/registry/autnum/17025"
  } ],
  "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
AS2767	Zayo Bandwidth	US
AS10753	Level 3 Parent, LLC	US
AS15290	Zayo Bandwidth	US
AS812	Rogers Communications Canada Inc.	CA
AS401182	Applied Digital Corporation	US
AS6461	Zayo Bandwidth	US
AS11427	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS2767	Zayo Bandwidth	US
AS10753	Level 3 Parent, LLC	US
AS15290	Zayo Bandwidth	US
AS812	Rogers Communications Canada Inc.	CA
AS401182	Applied Digital Corporation	US
AS6461	Zayo Bandwidth	US
AS11427	Charter Communications Inc	US

Downstreams

AS Number	Description	Country
AS401182	Applied Digital Corporation	US

Contacts

Email Contacts

ipeng@zayo.com

Abuse Contacts

abuse@zayo.com

Legacy Routes

162.18.67.0/24 162.18.64.0/24 162.18.92.0/24 162.18.74.0/24 164.74.125.0/24 162.18.70.0/24 164.74.123.0/24 205.209.195.0/24 149.32.156.0/23 162.18.65.0/24 162.18.73.0/24 164.74.129.0/24 205.209.196.0/24 164.74.122.0/24 162.18.95.0/24