What is ASN AS400685?

ASN AS400685 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400685?

AS400685 is listed under City of Naperville.

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.

AS400685 City of Naperville | IPGeolocation.io

ASN Lookup Tool

City of Naperville naperville.il.us

US 1 Routes

AS Data

AS400685

AS400685 – City of Naperville

AS Number	400685
AS Name	NAPER-AS-01
Organization	City of Naperville (cn-543)
Country	US
Website	naperville.il.us
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2022-04-26

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Use ASN data for AS400685 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.40.22.0/24	AS400685	City of Naperville	City of Naperville	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:       400685
ASName:         NAPER-AS-01
ASHandle:       AS400685
RegDate:        2022-04-26
Updated:        2022-04-26
Comment:        City of Naperville, IL
Comment:        https://www.naperville.il.us/
Ref:            https://rdap.arin.net/registry/autnum/400685


OrgName:        City of Naperville
OrgId:          CN-543
Address:        400 S Eagle St
City:           Naperville
StateProv:      IL
PostalCode:     60540
Country:        US
RegDate:        2019-10-04
Updated:        2019-10-04
Comment:        https://naperville.il.us
Ref:            https://rdap.arin.net/registry/entity/CN-543


OrgRoutingHandle: NETAD267-ARIN
OrgRoutingName:   netadmin
OrgRoutingPhone:  +1-630-305-7075 
OrgRoutingEmail:  nvnetadmin@naperville.il.us
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETAD267-ARIN

OrgTechHandle: NETAD267-ARIN
OrgTechName:   netadmin
OrgTechPhone:  +1-630-305-7075 
OrgTechEmail:  nvnetadmin@naperville.il.us
OrgTechRef:    https://rdap.arin.net/registry/entity/NETAD267-ARIN

OrgTechHandle: ROCKF4-ARIN
OrgTechName:   Rockford, Joel 
OrgTechPhone:  +1-630-305-7075 
OrgTechEmail:  rockfordj@naperville.il.us
OrgTechRef:    https://rdap.arin.net/registry/entity/ROCKF4-ARIN

OrgNOCHandle: NETAD267-ARIN
OrgNOCName:   netadmin
OrgNOCPhone:  +1-630-305-7075 
OrgNOCEmail:  nvnetadmin@naperville.il.us
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETAD267-ARIN

OrgDNSHandle: NETAD267-ARIN
OrgDNSName:   netadmin
OrgDNSPhone:  +1-630-305-7075 
OrgDNSEmail:  nvnetadmin@naperville.il.us
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETAD267-ARIN

OrgAbuseHandle: NETAD267-ARIN
OrgAbuseName:   netadmin
OrgAbusePhone:  +1-630-305-7075 
OrgAbuseEmail:  nvnetadmin@naperville.il.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETAD267-ARIN

OrgDNSHandle: ROCKF4-ARIN
OrgDNSName:   Rockford, Joel 
OrgDNSPhone:  +1-630-305-7075 
OrgDNSEmail:  rockfordj@naperville.il.us
OrgDNSRef:    https://rdap.arin.net/registry/entity/ROCKF4-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" : "400685",
    "as_handle" : "AS400685",
    "as_name" : "NAPER-AS-01",
    "admin_contacts" : [ "NETAD267-ARIN", "ROCKF4-ARIN" ],
    "tech_contacts" : [ "NETAD267-ARIN", "NETAD267-ARIN", "ROCKF4-ARIN" ],
    "abuse_contacts" : [ "NETAD267-ARIN" ],
    "date_created" : "2022-04-26",
    "date_updated" : "2022-04-26",
    "source" : "https://rdap.arin.net/registry/autnum/400685"
  } ],
  "organization" : {
    "handle" : "CN-543",
    "name" : "City of Naperville",
    "address" : [ "400 S Eagle St", "Naperville", "IL", "60540", "US" ],
    "street" : "S Eagle St",
    "city" : "Naperville",
    "state" : "IL",
    "zip_code" : "60540",
    "country" : [ "US" ],
    "date_created" : "2019-10-04",
    "date_updated" : "2019-10-04",
    "source" : "https://rdap.arin.net/registry/entity/CN-543",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "NETAD267-ARIN",
    "name" : "netadmin",
    "email" : [ "nvnetadmin@naperville.il.us" ],
    "phone" : [ "+1-630-305-7075" ],
    "source" : "https://rdap.arin.net/registry/entity/NETAD267-ARIN"
  }, {
    "handle" : "ROCKF4-ARIN",
    "name" : "Rockford, Joel",
    "email" : [ "rockfordj@naperville.il.us" ],
    "phone" : [ "+1-630-305-7075" ],
    "source" : "https://rdap.arin.net/registry/entity/ROCKF4-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "NETAD267-ARIN",
    "name" : "netadmin",
    "email" : [ "nvnetadmin@naperville.il.us" ],
    "phone" : [ "+1-630-305-7075" ],
    "source" : "https://rdap.arin.net/registry/entity/NETAD267-ARIN"
  }, {
    "handle" : "ROCKF4-ARIN",
    "name" : "Rockford, Joel",
    "email" : [ "rockfordj@naperville.il.us" ],
    "phone" : [ "+1-630-305-7075" ],
    "source" : "https://rdap.arin.net/registry/entity/ROCKF4-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETAD267-ARIN",
    "name" : "netadmin",
    "email" : [ "nvnetadmin@naperville.il.us" ],
    "phone" : [ "+1-630-305-7075" ],
    "source" : "https://rdap.arin.net/registry/entity/NETAD267-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS11417	Northern Illinois University	US

Upstreams

AS Number	Description	Country
AS11417	Northern Illinois University	US