ASN AS33313 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33313?

AS33313 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.

AS33313 Zayo Bandwidth | IPGeolocation.io

ASN Lookup Tool

Zayo Bandwidth zayo.com

US 16 Routes

AS Data

AS33313

AS33313 – Zayo Bandwidth

AS Number	33313
AS Name	ZAYO-CCF-AS33313
Organization	Zayo Bandwidth (zayob)
Country	US
Website	zayo.com
Number of IPv4 Routes	16
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-06-24

ASN Intelligence API for production workflows

Use ASN data for AS33313 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.82.200.0/22	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	1024
38.128.79.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.128.78.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.82.195.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
8.3.234.0/24	AS33313	Zayo Bandwidth	Level 3 Parent, LLC	256
38.128.73.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.91.120.0/21	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	2048
38.128.72.0/22	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	1024
38.107.162.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
209.194.251.0/24	AS33313	Zayo Bandwidth	Level 3 Parent, LLC	256
38.128.76.0/22	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	1024
38.91.122.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.82.202.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.82.203.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.128.72.0/24	AS33313	Zayo Bandwidth	Crown Castle Fiber LLC	256
38.107.160.0/22	AS33313	Zayo Bandwidth	Crown Castle Fiber 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:       33313
ASName:         ZAYO-CCF-AS33313
ASHandle:       AS33313
RegDate:        2013-06-24
Updated:        2026-06-01
Ref:            https://rdap.arin.net/registry/autnum/33313



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


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

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

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


#
# 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" : "33313",
    "as_handle" : "AS33313",
    "as_name" : "ZAYO-CCF-AS33313",
    "tech_contacts" : [ "ZIE-ARIN" ],
    "abuse_contacts" : [ "ABUSE5675-ARIN" ],
    "date_created" : "2013-06-24",
    "date_updated" : "2026-06-01",
    "source" : "https://rdap.arin.net/registry/autnum/33313"
  } ],
  "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
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Contacts

Email Contacts

ipeng@zayo.com

Abuse Contacts

abuse@zayo.com