ASN AS15305 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15305?

AS15305 is listed under Syringa Networks, LLC.

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.

AS15305 Syringa Networks, LLC

ASN Lookup Tool

Syringa Networks, LLC syringanetworks.net

US 30 Routes

AS Data

AS15305

AS15305 – Syringa Networks, LLC

AS Number	15305
AS Name	SYRINGANETWORKS
Organization	Syringa Networks, LLC(syri)
Country	US
Website	syringanetworks.net
Number of IPv4 Routes	27
Number of IPv6 Routes	3
ASN type	ISP
Registry	ARIN
Date Allocated	2000-04-14

ASN Intelligence API for production workflows

Use ASN data for AS15305 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.33.222.0/23	AS15305	Syringa Networks, LLC	Cambridge Telephone	512
205.159.98.0/24	AS15305	Syringa Networks, LLC	Trinity Health Corporation	256
204.8.52.0/22	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	1024
151.122.232.0/24	AS15305	Syringa Networks, LLC	Power Engineers, Inc.	256
162.57.146.0/23	AS15305	Syringa Networks, LLC	MDU Resources Group, Inc.	512
198.199.152.0/23	AS15305	Syringa Networks, LLC	HyClone Laboratories, Inc.	512
66.232.64.0/19	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	8192
104.245.20.0/22	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	1024
199.244.14.0/23	AS15305	Syringa Networks, LLC	Revnet.co	512
64.136.100.0/22	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	1024

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:       15305
ASName:         SYRINGANETWORKS
ASHandle:       AS15305
RegDate:        2000-04-14
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/15305


OrgName:        Syringa Networks, LLC
OrgId:          SYRI
Address:        3795 S. Development Ave.
City:           Boise
StateProv:      ID
PostalCode:     83705
Country:        US
RegDate:        2002-08-20
Updated:        2022-11-29
Comment:        www.syringanetworks.net
Ref:            https://rdap.arin.net/registry/entity/SYRI


OrgNOCHandle: NOC11875-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-800-454-7214 
OrgNOCEmail:  noc@syringanetworks.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC11875-ARIN

OrgTechHandle: HOSTM1669-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-208-229-6100 
OrgTechEmail:  hostmaster@syringanetworks.net
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1669-ARIN

OrgAbuseHandle: ABUSE1644-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-208-229-6100 
OrgAbuseEmail:  abuse@syringanetworks.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1644-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
AS393630	Avantguard Monitoring Centers	US
AS394741	Idaho Central Credit Union	US
AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS6939	Hurricane Electric LLC	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS19546	R. C. Willey Home Furnishings	US
AS209	CenturyLink Communications, LLC	US
AS14537	Continent 8 LLC	US
AS5645	TekSavvy Solutions, Inc.	CA
AS37468	Angola Cables	AO

Upstreams

AS Number	Description	Country
AS37468	Angola Cables	AO
AS3303	Swisscom Schweiz AG	CH
AS1299	Arelion Sweden AB	SE
AS6939	Hurricane Electric LLC	US
AS209	CenturyLink Communications, LLC	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS393630	Avantguard Monitoring Centers	US
AS394741	Idaho Central Credit Union	US
AS19546	R. C. Willey Home Furnishings	US
AS393898	AlwaysON Internet	US
AS14971	Pine Telephone System, Inc.	US
AS26223	Silver Star Communications	US
AS21947	Blackfoot Telephone Cooperative, Inc.	US
AS23055	City of Nampa	US
AS395846	Direct Communications Rockland, Inc	US
AS10988	College of Western Idaho	US