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?

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AS15305 Syringa Networks, LLC

Syringa Networks, LLC syringanetworks.net

US 29 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	26
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
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
199.244.14.0/23	AS15305	Syringa Networks, LLC	Revnet	512
64.136.100.0/22	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	1024
209.141.112.0/20	AS15305	Syringa Networks, LLC	Google LLC	4096
199.5.221.0/24	AS15305	Syringa Networks, LLC	Tribune Publishing Co.	256
104.245.20.0/22	AS15305	Syringa Networks, LLC	COM	1024
208.98.128.0/18	AS30530	Farmers Mutual Telephone Company	Farmers Mutual Telephone Company	16384
2606:6580:2000::/35	AS15305	Syringa Networks, LLC	Cambridge Telephone	~1×10³⁰
2605:5800::/32	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	~79×10²⁷
204.99.154.0/23	AS15305	Syringa Networks, LLC	City of Logan	512
161.115.208.0/20	AS15305	Syringa Networks, LLC	COM	4096
2606:6580::/35	AS15305	Syringa Networks, LLC	Cambridge Telephone	~1×10³⁰
216.182.96.0/20	AS54847	Custer Telephone Cooperative, Inc.	Custer Telephone Cooperative, Inc.	4096
204.10.184.0/24	AS15305	Syringa Networks, LLC	MAF	256
209.25.172.0/22	AS15305	Syringa Networks, LLC	COM	1024
198.199.151.0/24	AS15305	Syringa Networks, LLC	HyClone Laboratories, Inc.	256
206.168.83.0/24	AS15305	Syringa Networks, LLC	Dash Cloud	256
204.99.153.0/24	AS15305	Syringa Networks, LLC	City of Logan	256
192.35.255.0/24	AS15305	Syringa Networks, LLC	New Dawn Technologies	256
67.215.32.0/20	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	4096
173.224.176.0/20	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	4096
69.59.31.0/24	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	256
158.120.248.0/22	AS15305	Syringa Networks, LLC	Syringa Networks, LLC	1024
198.60.192.0/24	AS15305	Syringa Networks, LLC	The College of Idaho, Inc.	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:       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


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

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


#
# 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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "15305",
    "as_handle" : "AS15305",
    "as_name" : "SYRINGANETWORKS",
    "tech_contacts" : [ "HOSTM1669-ARIN" ],
    "abuse_contacts" : [ "ABUSE1644-ARIN" ],
    "date_created" : "2000-04-14",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/15305"
  } ],
  "organization" : {
    "handle" : "SYRI",
    "name" : "Syringa Networks, LLC",
    "address" : [ "3795 S. Development Ave.", "Boise", "ID", "83705", "US" ],
    "street" : "S. Development Ave.",
    "city" : "Boise",
    "state" : "ID",
    "zip_code" : "83705",
    "country" : [ "US" ],
    "date_created" : "2002-08-20",
    "date_updated" : "2022-11-29",
    "source" : "https://rdap.arin.net/registry/entity/SYRI",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HOSTM1669-ARIN",
    "name" : "Hostmaster",
    "email" : [ "hostmaster@syringanetworks.net" ],
    "phone" : [ "+1-208-229-6100" ],
    "source" : "https://rdap.arin.net/registry/entity/HOSTM1669-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE1644-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@syringanetworks.net" ],
    "phone" : [ "+1-208-229-6100" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE1644-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS393630	Avantguard Monitoring Centers	US
AS394741	Idaho Central Credit Union	US
AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS393577	Tritan Development	US
AS6939	Hurricane Electric LLC	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS19546	R. C. Willey Home Furnishings	US
AS209	CenturyLink Communications, LLC	US
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS14537	Continent 8 LLC	US
AS5645	TekSavvy Solutions, Inc.	CA
AS37468	Angola Cables	AO
AS393898	AlwaysON Internet	US
AS53767	iCastCenter	US
AS14971	Pine Telephone System, Inc.	US
AS14907	Wikimedia Foundation Inc.	US
AS26223	Silver Star Communications	US
AS58511	Anycast Holdings Pty Ltd	AU
AS53597	Hoyos Consulting LLC	US
AS3303	Swisscom Schweiz AG	CH
AS21947	Blackfoot Telephone Cooperative, Inc.	US
AS23367	Adaptive Data Networks, LLC	US
AS23055	City of Nampa	US
AS395846	Direct Communications Rockland, Inc	US
AS37721	Virtual Technologies & Solutions	BF
AS32590	Valve Corporation	US
AS10988	College of Western Idaho	US
AS3701	University of Oregon	US
AS2734	CoreSite	US
AS46133	Elite Telecom, Inc	US
AS399594	Blue Spring Broadband	US
AS29838	Atlantic Metro Communications II, Inc.	US
AS54885	State of Idaho	US
AS1299	Arelion Sweden AB	SE
AS1828	Unitas Global	US
AS210	Utah Education Network	US
AS62584	Platinum Data Centers, Inc.	US
AS1084	Intermountain Medical Imaging	US
AS397268	Cambridge Telephone	US
AS12254	Instructure, Inc	US
AS14149	Icon Health & Fitness Inc	US
AS398806	Valli Information Systems, Inc	US
AS397285	Cambridge Telephone	US
AS6423	Digital Fortress	US
AS25655	Overstock.com	US
AS396496	Deseret Mutual Benefit Administrators	US
AS54332	City of Boise	US
AS20473	The Constant Company, LLC	US
AS402277	Miller Sports Entertainment	US
AS19045	Direct Communications Cedar Valley, LLC	US
AS32269	City of Idaho Falls	US
AS402321	Zenix Solutions, LLC	US
AS396056	EAGLE TELEPHONE SYSTEM INC	US
AS17380	Project Mutual Telephone Cooperative Association, Inc.	US
AS396094	Perpetual Storage, Inc.	US
AS10753	Level 3 Parent, LLC	US
AS36236	NetActuate, Inc	US
AS18106	Viewqwest Pte Ltd	SG
AS16276	OVH SAS	FR
AS19754	The Fusion Network, LLC	US

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
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
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
AS46133	Elite Telecom, Inc	US
AS399594	Blue Spring Broadband	US
AS54885	State of Idaho	US
AS210	Utah Education Network	US
AS62584	Platinum Data Centers, Inc.	US
AS1084	Intermountain Medical Imaging	US
AS397268	Cambridge Telephone	US
AS12254	Instructure, Inc	US
AS14149	Icon Health & Fitness Inc	US
AS398806	Valli Information Systems, Inc	US
AS397285	Cambridge Telephone	US
AS25655	Overstock.com	US
AS396496	Deseret Mutual Benefit Administrators	US
AS54332	City of Boise	US
AS402277	Miller Sports Entertainment	US
AS19045	Direct Communications Cedar Valley, LLC	US
AS32269	City of Idaho Falls	US
AS402321	Zenix Solutions, LLC	US
AS396056	EAGLE TELEPHONE SYSTEM INC	US
AS17380	Project Mutual Telephone Cooperative Association, Inc.	US
AS396094	Perpetual Storage, Inc.	US
AS10753	Level 3 Parent, LLC	US
AS30663	ISpeed Wireless Inc.,	US
AS395344	Ivanti, Inc.	US
AS394662	Unified Fire Authority	US
AS40408	Kount, Inc.	US
AS33284	LBiSat, LLC	US
AS397740	Mudlake Telephone	US
AS36819	MELALEUCA INC.	US
AS393940	Ultradent Products Inc	US
AS19218	Midvale Telephone Exchange, Incorporated	US
AS17206	Mountain America Credit Union	US
AS16957	Idaho Power Company	US
AS16403	Boise Cascade Corporation	US
AS398867	Oregon Idaho Utilities, Inc.	US
AS395861	Medical Imaging Associates of Idaho Falls, Inc.	US
AS394217	State of Idaho	US
AS54847	Custer Telephone Cooperative, Inc.	US
AS20295	Filer Mutual Telephone Company	US
AS32922	ATC Communications	US
AS30530	Farmers Mutual Telephone Company	US
AS23389	Campbell Scientific, Inc.	US
AS46528	J.R. Simplot Company	US
AS395107	RTI	US