ASN AS33345 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33345?

AS33345 is listed under Sierra Experts.

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.

AS33345 Sierra Experts | IPGeolocation.io

ASN Lookup Tool

Sierra Experts sierrawowires.com

US 4 Routes

AS Data

AS33345

AS33345 – Sierra Experts

AS Number	33345
AS Name	SIERRADATACENTERS
Organization	Sierra Experts(sierr-38)
Country	US
Website	sierrawowires.com
Number of IPv4 Routes	3
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-03-02

ASN Intelligence API for production workflows

Use ASN data for AS33345 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.107.149.0/24	AS33345	Sierra Experts	Sierra Experts	256
38.107.156.0/22	AS33345	Sierra Experts	Sierra Experts	1024
38.107.151.0/24	AS33345	Sierra Experts	Sierra Experts	256
2602:fe9c::/36	AS33345	Sierra Experts	Sierra Experts	~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:       33345
ASName:         SIERRADATACENTERS
ASHandle:       AS33345
RegDate:        2009-03-02
Updated:        2012-03-02
Comment:        http://www.SierraDataCenters.com    
Ref:            https://rdap.arin.net/registry/autnum/33345


OrgName:        Sierra Experts
OrgId:          SIERR-38
Address:        2 Robinson Plaza
Address:        Suite 300
City:           Pittsburgh
StateProv:      PA
PostalCode:     15205
Country:        US
RegDate:        2009-01-06
Updated:        2024-11-25
Comment:        Sierra Data Centers
Ref:            https://rdap.arin.net/registry/entity/SIERR-38


OrgAbuseHandle: SUPPO700-ARIN
OrgAbuseName:   Support
OrgAbusePhone:  +1-412-722-1560 
OrgAbuseEmail:  support@sierrawowires.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SUPPO700-ARIN

OrgTechHandle: BEF3-ARIN
OrgTechName:   Freshwater, Bruce Edward
OrgTechPhone:  +1-412-722-1701 
OrgTechEmail:  bfreshwater@sierrawowires.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEF3-ARIN

OrgNOCHandle: SUPPO700-ARIN
OrgNOCName:   Support
OrgNOCPhone:  +1-412-722-1560 
OrgNOCEmail:  support@sierrawowires.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SUPPO700-ARIN

RAbuseHandle: BEF3-ARIN
RAbuseName:   Freshwater, Bruce Edward
RAbusePhone:  +1-412-722-1701 
RAbuseEmail:  bfreshwater@sierrawowires.com
RAbuseRef:    https://rdap.arin.net/registry/entity/BEF3-ARIN

RTechHandle: BEF3-ARIN
RTechName:   Freshwater, Bruce Edward
RTechPhone:  +1-412-722-1701 
RTechEmail:  bfreshwater@sierrawowires.com
RTechRef:    https://rdap.arin.net/registry/entity/BEF3-ARIN

RNOCHandle: SUPPO700-ARIN
RNOCName:   Support
RNOCPhone:  +1-412-722-1560 
RNOCEmail:  support@sierrawowires.com
RNOCRef:    https://rdap.arin.net/registry/entity/SUPPO700-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
AS33154	DQE Communications LLC	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33154	DQE Communications LLC	US
AS174	Cogent Communications, LLC	US