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AS4545 Sonora ONline | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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Sonora ONline tuolumne.com

US 0 Routes

AS Data

AS4545

AS4545 – Sonora ONline

AS Number	4545
AS Name	SONNET-ASN
Organization	Sonora ONline(sonora)
Country	US
Website	tuolumne.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	1995-04-19

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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:       4545
ASName:         SONNET-ASN
ASHandle:       AS4545
RegDate:        1995-04-19
Updated:        1995-04-19    
Ref:            https://rdap.arin.net/registry/autnum/4545


OrgName:        Sonora ONline
OrgId:          SONORA
Address:        P.O. Box 5093
City:           Sonora
StateProv:      CA
PostalCode:     95370
Country:        US
RegDate:        1995-03-10
Updated:        2018-11-10
Ref:            https://rdap.arin.net/registry/entity/SONORA


OrgAbuseHandle: BC221-ARIN
OrgAbuseName:   Curnow, Brian 
OrgAbusePhone:  +1-209-532-2750 
OrgAbuseEmail:  admin@tuolumne.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BC221-ARIN

OrgTechHandle: BC221-ARIN
OrgTechName:   Curnow, Brian 
OrgTechPhone:  +1-209-532-2750 
OrgTechEmail:  admin@tuolumne.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BC221-ARIN

RTechHandle: BC221-ARIN
RTechName:   Curnow, Brian 
RTechPhone:  +1-209-532-2750 
RTechEmail:  admin@tuolumne.com
RTechRef:    https://rdap.arin.net/registry/entity/BC221-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

Frequently Asked Questions

What is ASN AS4545?

ASN AS4545 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4545?

AS4545 is listed under Sonora ONline.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.