What is ASN AS400988?

ASN AS400988 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400988?

AS400988 is listed under Salt Lake County.

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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AS400988 Salt Lake County | IPGeolocation.io

ASN Lookup Tool

Salt Lake County saltlakecounty.gov

US 9 Routes

AS Data

AS400988

AS400988 – Salt Lake County

AS Number	400988
AS Name	SLCO-ASN-01
Organization	Salt Lake County (slc-5)
Country	US
Website	saltlakecounty.gov
Number of IPv4 Routes	9
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2024-04-15

ASN Intelligence API for production workflows

Use ASN data for AS400988 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.99.184.0/24	AS400988	Salt Lake County	Salt Lake County	256
198.50.7.0/24	AS400988	Salt Lake County	Salt Lake County	256
198.50.6.0/24	AS400988	Salt Lake County	Salt Lake County	256
204.99.185.0/24	AS400988	Salt Lake County	Salt Lake County	256
198.50.0.0/22	AS400988	Salt Lake County	Salt Lake County Library	1024
198.50.4.0/24	AS400988	Salt Lake County	Salt Lake County	256
204.99.179.0/24	AS400988	Salt Lake County	Salt Lake County	256
198.50.5.0/24	AS400988	Salt Lake County	Salt Lake County	256
204.99.178.0/24	AS400988	Salt Lake County	Salt Lake County	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:       400988
ASName:         SLCO-ASN-01
ASHandle:       AS400988
RegDate:        2024-04-15
Updated:        2024-04-15
Ref:            https://rdap.arin.net/registry/autnum/400988


OrgName:        Salt Lake County
OrgId:          SLC-5
Address:        2001 South State Street
Address:        S3-600
City:           Salt Lake City
StateProv:      UT
PostalCode:     84190
Country:        US
RegDate:        1993-01-25
Updated:        2026-01-23
Ref:            https://rdap.arin.net/registry/entity/SLC-5


OrgAbuseHandle: HESSC8-ARIN
OrgAbuseName:   Hess, Corey 
OrgAbusePhone:  +1-385-468-0601 
OrgAbuseEmail:  chess@slco.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HESSC8-ARIN

OrgTechHandle: HESSC8-ARIN
OrgTechName:   Hess, Corey 
OrgTechPhone:  +1-385-468-0601 
OrgTechEmail:  chess@slco.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HESSC8-ARIN

OrgNOCHandle: HESSC8-ARIN
OrgNOCName:   Hess, Corey 
OrgNOCPhone:  +1-385-468-0601 
OrgNOCEmail:  chess@slco.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/HESSC8-ARIN

OrgTechHandle: SHIPL40-ARIN
OrgTechName:   Shipley-Walker, Rina 
OrgTechPhone:  +1-385-468-0712 
OrgTechEmail:  rshipley@saltlakecounty.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SHIPL40-ARIN

OrgAbuseHandle: SHIPL40-ARIN
OrgAbuseName:   Shipley-Walker, Rina 
OrgAbusePhone:  +1-385-468-0712 
OrgAbuseEmail:  rshipley@saltlakecounty.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SHIPL40-ARIN

OrgDNSHandle: HESSC8-ARIN
OrgDNSName:   Hess, Corey 
OrgDNSPhone:  +1-385-468-0601 
OrgDNSEmail:  chess@slco.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/HESSC8-ARIN

OrgNOCHandle: ROSSD94-ARIN
OrgNOCName:   Ross, Daren 
OrgNOCPhone:  +1-385-468-0713 
OrgNOCEmail:  dlross@saltlakecounty.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/ROSSD94-ARIN

OrgRoutingHandle: HESSC8-ARIN
OrgRoutingName:   Hess, Corey 
OrgRoutingPhone:  +1-385-468-0601 
OrgRoutingEmail:  chess@slco.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HESSC8-ARIN

OrgDNSHandle: ROSSD94-ARIN
OrgDNSName:   Ross, Daren 
OrgDNSPhone:  +1-385-468-0713 
OrgDNSEmail:  dlross@saltlakecounty.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/ROSSD94-ARIN

OrgRoutingHandle: ROSSD94-ARIN
OrgRoutingName:   Ross, Daren 
OrgRoutingPhone:  +1-385-468-0713 
OrgRoutingEmail:  dlross@saltlakecounty.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROSSD94-ARIN

OrgTechHandle: ROSSD94-ARIN
OrgTechName:   Ross, Daren 
OrgTechPhone:  +1-385-468-0713 
OrgTechEmail:  dlross@saltlakecounty.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/ROSSD94-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" : "400988",
    "as_handle" : "AS400988",
    "as_name" : "SLCO-ASN-01",
    "admin_contacts" : [ "HESSC8-ARIN", "ROSSD94-ARIN" ],
    "tech_contacts" : [ "HESSC8-ARIN", "SHIPL40-ARIN", "HESSC8-ARIN", "ROSSD94-ARIN", "ROSSD94-ARIN" ],
    "abuse_contacts" : [ "HESSC8-ARIN", "SHIPL40-ARIN" ],
    "date_created" : "2024-04-15",
    "date_updated" : "2024-04-15",
    "source" : "https://rdap.arin.net/registry/autnum/400988"
  } ],
  "organization" : {
    "handle" : "SLC-5",
    "name" : "Salt Lake County",
    "address" : [ "2001 South State Street", "S3-600", "Salt Lake City", "UT", "84190", "US" ],
    "street" : "South State Street",
    "city" : "Salt Lake City",
    "state" : "UT",
    "zip_code" : "84190",
    "country" : [ "US" ],
    "date_created" : "1993-01-25",
    "date_updated" : "2026-01-23",
    "source" : "https://rdap.arin.net/registry/entity/SLC-5",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "HESSC8-ARIN",
    "name" : "Hess, Corey",
    "email" : [ "chess@slco.org" ],
    "phone" : [ "+1-385-468-0601" ],
    "source" : "https://rdap.arin.net/registry/entity/HESSC8-ARIN"
  }, {
    "handle" : "ROSSD94-ARIN",
    "name" : "Ross, Daren",
    "email" : [ "dlross@saltlakecounty.gov" ],
    "phone" : [ "+1-385-468-0713" ],
    "source" : "https://rdap.arin.net/registry/entity/ROSSD94-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "HESSC8-ARIN",
    "name" : "Hess, Corey",
    "email" : [ "chess@slco.org" ],
    "phone" : [ "+1-385-468-0601" ],
    "source" : "https://rdap.arin.net/registry/entity/HESSC8-ARIN"
  }, {
    "handle" : "SHIPL40-ARIN",
    "name" : "Shipley-Walker, Rina",
    "email" : [ "rshipley@saltlakecounty.gov" ],
    "phone" : [ "+1-385-468-0712" ],
    "source" : "https://rdap.arin.net/registry/entity/SHIPL40-ARIN"
  }, {
    "handle" : "ROSSD94-ARIN",
    "name" : "Ross, Daren",
    "email" : [ "dlross@saltlakecounty.gov" ],
    "phone" : [ "+1-385-468-0713" ],
    "source" : "https://rdap.arin.net/registry/entity/ROSSD94-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HESSC8-ARIN",
    "name" : "Hess, Corey",
    "email" : [ "chess@slco.org" ],
    "phone" : [ "+1-385-468-0601" ],
    "source" : "https://rdap.arin.net/registry/entity/HESSC8-ARIN"
  }, {
    "handle" : "SHIPL40-ARIN",
    "name" : "Shipley-Walker, Rina",
    "email" : [ "rshipley@saltlakecounty.gov" ],
    "phone" : [ "+1-385-468-0712" ],
    "source" : "https://rdap.arin.net/registry/entity/SHIPL40-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS33660	Comcast Cable Communications, LLC	US
AS209	CenturyLink Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33660	Comcast Cable Communications, LLC	US
AS209	CenturyLink Communications, LLC	US