ASN AS27325 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

AS27325 zColo | IPGeolocation.io

ASN Lookup Tool

zColo databank.com

US 11 Routes

AS Data

AS27325

AS27325 – zColo

AS Number	27325
AS Name	DATABANK-ZCOLO
Organization	zColo (zgl-6)
Country	US
Website	databank.com
Number of IPv4 Routes	10
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-02-12

ASN Intelligence API for production workflows

Use ASN data for AS27325 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
64.17.0.0/20	AS27325	zColo	zColo	4096
2610:160::/32	AS27325	zColo	zColo	~79×10²⁷
24.227.211.0/24	AS27325	zColo	CORENAP	256
66.219.32.0/19	AS27325	zColo	zColo	8192
208.67.240.0/21	AS27325	zColo	zColo	2048
208.123.64.0/19	AS27325	zColo	zColo	8192
64.20.224.0/19	AS27325	zColo	zColo	8192
96.47.208.0/20	AS27325	zColo	zColo	4096
64.20.224.0/20	AS27325	zColo	zColo	4096
198.252.182.0/24	AS27325	zColo	zColo	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:       27325
ASName:         DATABANK-ZCOLO
ASHandle:       AS27325
RegDate:        2003-02-12
Updated:        2021-10-29
Ref:            https://rdap.arin.net/registry/autnum/27325


OrgName:        zColo
OrgId:          ZGL-6
Address:        1805 29th St Suite 2050
Address:        Databank Holdings
City:           Boulder
StateProv:      CO
PostalCode:     80301
Country:        US
RegDate:        2018-01-09
Updated:        2021-10-26
Ref:            https://rdap.arin.net/registry/entity/ZGL-6

ReferralServer:  rwhois://rwhois.corexchange.com:4321

OrgTechHandle: ZCOLO-ARIN
OrgTechName:   ZCOLO
OrgTechPhone:  +1-571-450-1165 
OrgTechEmail:  networking@databank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZCOLO-ARIN

OrgNOCHandle: ZCOLO-ARIN
OrgNOCName:   ZCOLO
OrgNOCPhone:  +1-571-450-1165 
OrgNOCEmail:  networking@databank.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZCOLO-ARIN

OrgTechHandle: POINT3-ARIN
OrgTechName:   Point of Contact
OrgTechPhone:  +1-855-328-2247 
OrgTechEmail:  networking@databank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/POINT3-ARIN

OrgAbuseHandle: ZCOLO-ARIN
OrgAbuseName:   ZCOLO
OrgAbusePhone:  +1-571-450-1165 
OrgAbuseEmail:  networking@databank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZCOLO-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" : "27325",
    "as_handle" : "AS27325",
    "as_name" : "DATABANK-ZCOLO",
    "tech_contacts" : [ "ZCOLO-ARIN", "POINT3-ARIN" ],
    "abuse_contacts" : [ "ZCOLO-ARIN" ],
    "date_created" : "2003-02-12",
    "date_updated" : "2021-10-29",
    "source" : "https://rdap.arin.net/registry/autnum/27325"
  } ],
  "organization" : {
    "handle" : "ZGL-6",
    "name" : "zColo",
    "address" : [ "1805 29th St Suite 2050", "Databank Holdings", "Boulder", "CO", "80301", "US" ],
    "street" : "29th St",
    "city" : "Boulder",
    "state" : "CO",
    "zip_code" : "80301",
    "country" : [ "US" ],
    "date_created" : "2018-01-09",
    "date_updated" : "2021-10-26",
    "source" : "https://rdap.arin.net/registry/entity/ZGL-6",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZCOLO-ARIN",
    "name" : "ZCOLO",
    "email" : [ "networking@databank.com" ],
    "phone" : [ "+1-571-450-1165" ],
    "source" : "https://rdap.arin.net/registry/entity/ZCOLO-ARIN"
  }, {
    "handle" : "POINT3-ARIN",
    "name" : "Point of Contact",
    "email" : [ "networking@databank.com" ],
    "phone" : [ "+1-855-328-2247" ],
    "source" : "https://rdap.arin.net/registry/entity/POINT3-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ZCOLO-ARIN",
    "name" : "ZCOLO",
    "email" : [ "networking@databank.com" ],
    "phone" : [ "+1-571-450-1165" ],
    "source" : "https://rdap.arin.net/registry/entity/ZCOLO-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS30312	Netgate	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS7905	Sooner Technology	US
AS11427	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS11427	Charter Communications Inc	US

Downstreams

AS Number	Description	Country
AS30312	Netgate	US
AS7905	Sooner Technology	US