What is ASN AS399436?

ASN AS399436 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399436?

AS399436 is listed under Cortland County Health Department.

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?

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AS399436 Cortland County Health Department

ASN Lookup Tool

Cortland County Health Department cortlandcountyny.gov

US 1 Routes

AS Data

AS399436

AS399436 – Cortland County Health Department

AS Number	399436
AS Name	CORTLAND-COUNTY
Organization	Cortland County Health Department (cchd-1)
Country	US
Website	cortlandcountyny.gov
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2021-03-11

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.87.158.0/24	AS399436	Cortland County Health Department	Cortland County Health Department	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:       399436
ASName:         CORTLAND-COUNTY
ASHandle:       AS399436
RegDate:        2021-03-11
Updated:        2021-03-11
Ref:            https://rdap.arin.net/registry/autnum/399436


OrgName:        Cortland County Health Department
OrgId:          CCHD-1
Address:        60 Central Avenue
City:           Cortland
StateProv:      NY
PostalCode:     13045
Country:        US
RegDate:        1994-12-29
Updated:        2025-03-17
Ref:            https://rdap.arin.net/registry/entity/CCHD-1


OrgTechHandle: IDD4-ARIN
OrgTechName:   IT, Deputy Director  
OrgTechPhone:  +1-607-753-5042 
OrgTechEmail:  tmcgrath@cortlandcountyny.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/IDD4-ARIN

OrgAbuseHandle: HESSJ118-ARIN
OrgAbuseName:   Hess, Jack 
OrgAbusePhone:  +1-607-753-5042 
OrgAbuseEmail:  director@cortland-co.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HESSJ118-ARIN

OrgDNSHandle: IDD4-ARIN
OrgDNSName:   IT, Deputy Director  
OrgDNSPhone:  +1-607-753-5042 
OrgDNSEmail:  tmcgrath@cortlandcountyny.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/IDD4-ARIN

OrgRoutingHandle: IDD4-ARIN
OrgRoutingName:   IT, Deputy Director  
OrgRoutingPhone:  +1-607-753-5042 
OrgRoutingEmail:  tmcgrath@cortlandcountyny.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IDD4-ARIN

OrgAbuseHandle: IDD4-ARIN
OrgAbuseName:   IT, Deputy Director  
OrgAbusePhone:  +1-607-753-5042 
OrgAbuseEmail:  tmcgrath@cortlandcountyny.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IDD4-ARIN

OrgNOCHandle: HESSJ118-ARIN
OrgNOCName:   Hess, Jack 
OrgNOCPhone:  +1-607-753-5042 
OrgNOCEmail:  director@cortland-co.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/HESSJ118-ARIN

OrgRoutingHandle: HESSJ118-ARIN
OrgRoutingName:   Hess, Jack 
OrgRoutingPhone:  +1-607-753-5042 
OrgRoutingEmail:  director@cortland-co.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HESSJ118-ARIN

OrgNOCHandle: IDD4-ARIN
OrgNOCName:   IT, Deputy Director  
OrgNOCPhone:  +1-607-753-5042 
OrgNOCEmail:  tmcgrath@cortlandcountyny.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/IDD4-ARIN

OrgTechHandle: HESSJ118-ARIN
OrgTechName:   Hess, Jack 
OrgTechPhone:  +1-607-753-5042 
OrgTechEmail:  director@cortland-co.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HESSJ118-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" : "399436",
    "as_handle" : "AS399436",
    "as_name" : "CORTLAND-COUNTY",
    "admin_contacts" : [ "IDD4-ARIN" ],
    "tech_contacts" : [ "IDD4-ARIN", "IDD4-ARIN", "HESSJ118-ARIN", "HESSJ118-ARIN" ],
    "abuse_contacts" : [ "HESSJ118-ARIN", "IDD4-ARIN" ],
    "date_created" : "2021-03-11",
    "date_updated" : "2021-03-11",
    "source" : "https://rdap.arin.net/registry/autnum/399436"
  } ],
  "organization" : {
    "handle" : "CCHD-1",
    "name" : "Cortland County Health Department",
    "address" : [ "60 Central Avenue", "Cortland", "NY", "13045", "US" ],
    "street" : "Central Avenue",
    "city" : "Cortland",
    "state" : "NY",
    "zip_code" : "13045",
    "country" : [ "US" ],
    "date_created" : "1994-12-29",
    "date_updated" : "2025-03-17",
    "source" : "https://rdap.arin.net/registry/entity/CCHD-1",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "IDD4-ARIN",
    "name" : "IT, Deputy Director",
    "email" : [ "tmcgrath@cortlandcountyny.gov" ],
    "phone" : [ "+1-607-753-5042" ],
    "source" : "https://rdap.arin.net/registry/entity/IDD4-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "IDD4-ARIN",
    "name" : "IT, Deputy Director",
    "email" : [ "tmcgrath@cortlandcountyny.gov" ],
    "phone" : [ "+1-607-753-5042" ],
    "source" : "https://rdap.arin.net/registry/entity/IDD4-ARIN"
  }, {
    "handle" : "HESSJ118-ARIN",
    "name" : "Hess, Jack",
    "email" : [ "director@cortland-co.org" ],
    "phone" : [ "+1-607-753-5042" ],
    "source" : "https://rdap.arin.net/registry/entity/HESSJ118-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HESSJ118-ARIN",
    "name" : "Hess, Jack",
    "email" : [ "director@cortland-co.org" ],
    "phone" : [ "+1-607-753-5042" ],
    "source" : "https://rdap.arin.net/registry/entity/HESSJ118-ARIN"
  }, {
    "handle" : "IDD4-ARIN",
    "name" : "IT, Deputy Director",
    "email" : [ "tmcgrath@cortlandcountyny.gov" ],
    "phone" : [ "+1-607-753-5042" ],
    "source" : "https://rdap.arin.net/registry/entity/IDD4-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13536	FirstLight Networks, LLC	US
AS13536	FirstLight Fiber, Inc.	US

Upstreams

AS Number	Description	Country
AS13536	FirstLight Networks, LLC	US