What is ASN AS397837?

ASN AS397837 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397837?

AS397837 is listed under GEICO.

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.

AS397837 GEICO | IPGeolocation.io

ASN Lookup Tool

GEICO geico.com

US 1 Routes

AS Data

AS397837

AS397837 – GEICO

AS Number	397837
AS Name	GEICO-CNAB
Organization	GEICO(geico-1)
Country	US
Website	geico.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-08-15

ASN Intelligence API for production workflows

Use ASN data for AS397837 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
205.143.201.0/24	AS397837	GEICO	GEICO	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:       397837
ASName:         GEICO-CNAB
ASHandle:       AS397837
RegDate:        2019-08-15
Updated:        2019-08-15    
Ref:            https://rdap.arin.net/registry/autnum/397837


OrgName:        GEICO
OrgId:          GEICO-1
Address:        5260 WESTERN AVE
City:           CHEVY CHASE
StateProv:      MD
PostalCode:     20815
Country:        US
RegDate:        1999-12-14
Updated:        2026-01-31
Ref:            https://rdap.arin.net/registry/entity/GEICO-1


OrgNOCHandle: SSR12-ARIN
OrgNOCName:   Siliveru, Shivaneeth Raj 
OrgNOCPhone:  +1-470-698-4414 
OrgNOCEmail:  shsiliveru@geico.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SSR12-ARIN

OrgRoutingHandle: RAKOW25-ARIN
OrgRoutingName:   Rakowski, Kamil 
OrgRoutingPhone:  +1-240-541-7789 
OrgRoutingEmail:  kamilrakowski@geico.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RAKOW25-ARIN

OrgNOCHandle: NOC1449-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-301-986-3530 
OrgNOCEmail:  netsys@geico.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1449-ARIN

OrgTechHandle: RAKOW25-ARIN
OrgTechName:   Rakowski, Kamil 
OrgTechPhone:  +1-240-541-7789 
OrgTechEmail:  kamilrakowski@geico.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RAKOW25-ARIN

OrgRoutingHandle: SSR12-ARIN
OrgRoutingName:   Siliveru, Shivaneeth Raj 
OrgRoutingPhone:  +1-470-698-4414 
OrgRoutingEmail:  shsiliveru@geico.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SSR12-ARIN

OrgAbuseHandle: VMD2-ARIN
OrgAbuseName:   DeJesus, Victor Manuel
OrgAbusePhone:  +1-540-840-9426 
OrgAbuseEmail:  vdejesus@geico.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/VMD2-ARIN

OrgDNSHandle: RAKOW25-ARIN
OrgDNSName:   Rakowski, Kamil 
OrgDNSPhone:  +1-240-541-7789 
OrgDNSEmail:  kamilrakowski@geico.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RAKOW25-ARIN

OrgTechHandle: ZUBER19-ARIN
OrgTechName:   Zuberi, Ammar 
OrgTechPhone:  +1-301-986-3880 
OrgTechEmail:  ammarzuberi@geico.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZUBER19-ARIN

OrgDNSHandle: ZUBER19-ARIN
OrgDNSName:   Zuberi, Ammar 
OrgDNSPhone:  +1-301-986-3880 
OrgDNSEmail:  ammarzuberi@geico.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ZUBER19-ARIN

OrgAbuseHandle: RAKOW25-ARIN
OrgAbuseName:   Rakowski, Kamil 
OrgAbusePhone:  +1-240-541-7789 
OrgAbuseEmail:  kamilrakowski@geico.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAKOW25-ARIN

OrgAbuseHandle: ZUBER19-ARIN
OrgAbuseName:   Zuberi, Ammar 
OrgAbusePhone:  +1-301-986-3880 
OrgAbuseEmail:  ammarzuberi@geico.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZUBER19-ARIN

OrgRoutingHandle: VMD2-ARIN
OrgRoutingName:   DeJesus, Victor Manuel
OrgRoutingPhone:  +1-540-840-9426 
OrgRoutingEmail:  vdejesus@geico.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/VMD2-ARIN

OrgRoutingHandle: ZUBER19-ARIN
OrgRoutingName:   Zuberi, Ammar 
OrgRoutingPhone:  +1-301-986-3880 
OrgRoutingEmail:  ammarzuberi@geico.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ZUBER19-ARIN

OrgAbuseHandle: SSR12-ARIN
OrgAbuseName:   Siliveru, Shivaneeth Raj 
OrgAbusePhone:  +1-470-698-4414 
OrgAbuseEmail:  shsiliveru@geico.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SSR12-ARIN

OrgTechHandle: SSR12-ARIN
OrgTechName:   Siliveru, Shivaneeth Raj 
OrgTechPhone:  +1-470-698-4414 
OrgTechEmail:  shsiliveru@geico.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SSR12-ARIN

OrgTechHandle: VMD2-ARIN
OrgTechName:   DeJesus, Victor Manuel
OrgTechPhone:  +1-540-840-9426 
OrgTechEmail:  vdejesus@geico.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VMD2-ARIN

OrgDNSHandle: SSR12-ARIN
OrgDNSName:   Siliveru, Shivaneeth Raj 
OrgDNSPhone:  +1-470-698-4414 
OrgDNSEmail:  shsiliveru@geico.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SSR12-ARIN

OrgDNSHandle: VMD2-ARIN
OrgDNSName:   DeJesus, Victor Manuel
OrgDNSPhone:  +1-540-840-9426 
OrgDNSEmail:  vdejesus@geico.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/VMD2-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

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US