What is ASN AS397954?

ASN AS397954 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?

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AS397954 GJC | IPGeolocation.io

ASN Lookup Tool

GJC gjcinc.com

US 3 Routes

AS Data

AS397954

AS397954 – GJC

AS Number	397954
AS Name	GJC-INTERNAL
Organization	GJC(gjc-22)
Country	US
Website	gjcinc.com
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2024-09-20

ASN Intelligence API for production workflows

Use ASN data for AS397954 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.27.30.0/24	AS397954	GJC	GJC	256
104.129.160.0/22	AS397954	GJC	GJC	1024
2602:f541::/36	AS397954	GJC	GJC	~5×10²⁷

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:       397954
ASName:         GJC-INTERNAL
ASHandle:       AS397954
RegDate:        2024-09-20
Updated:        2024-09-20    
Ref:            https://rdap.arin.net/registry/autnum/397954


OrgName:        GJC
OrgId:          GJC-22
Address:        111 SW Crimson Street
City:           Mountain Home
StateProv:      ID
PostalCode:     83647
Country:        US
RegDate:        2024-09-13
Updated:        2025-12-01
Comment:        hhttps://www.gjcinc.com
Ref:            https://rdap.arin.net/registry/entity/GJC-22


OrgRoutingHandle: SYLVE41-ARIN
OrgRoutingName:   Sylvester, Ryan 
OrgRoutingPhone:  +2085871218 
OrgRoutingEmail:  ryan@enchantedflight.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SYLVE41-ARIN

OrgTechHandle: ADMIN7813-ARIN
OrgTechName:   Admin 
OrgTechPhone:  +1-208-968-4563 
OrgTechEmail:  admin@gjcinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN7813-ARIN

OrgAbuseHandle: ADMIN7813-ARIN
OrgAbuseName:   Admin 
OrgAbusePhone:  +1-208-968-4563 
OrgAbuseEmail:  admin@gjcinc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN7813-ARIN

OrgNOCHandle: ADMIN7813-ARIN
OrgNOCName:   Admin 
OrgNOCPhone:  +1-208-968-4563 
OrgNOCEmail:  admin@gjcinc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN7813-ARIN

OrgRoutingHandle: ADMIN7813-ARIN
OrgRoutingName:   Admin 
OrgRoutingPhone:  +1-208-968-4563 
OrgRoutingEmail:  admin@gjcinc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ADMIN7813-ARIN

OrgTechHandle: SYLVE41-ARIN
OrgTechName:   Sylvester, Ryan 
OrgTechPhone:  +2085871218 
OrgTechEmail:  ryan@enchantedflight.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SYLVE41-ARIN

OrgDNSHandle: SYLVE41-ARIN
OrgDNSName:   Sylvester, Ryan 
OrgDNSPhone:  +2085871218 
OrgDNSEmail:  ryan@enchantedflight.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SYLVE41-ARIN

OrgAbuseHandle: SYLVE41-ARIN
OrgAbuseName:   Sylvester, Ryan 
OrgAbusePhone:  +2085871218 
OrgAbuseEmail:  ryan@enchantedflight.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SYLVE41-ARIN

OrgDNSHandle: ADMIN7813-ARIN
OrgDNSName:   Admin 
OrgDNSPhone:  +1-208-968-4563 
OrgDNSEmail:  admin@gjcinc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ADMIN7813-ARIN

OrgNOCHandle: SYLVE41-ARIN
OrgNOCName:   Sylvester, Ryan 
OrgNOCPhone:  +2085871218 
OrgNOCEmail:  ryan@enchantedflight.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SYLVE41-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US