ASN AS21559 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.

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AS21559 OSNET | IPGeolocation.io

OSNET osnetpr.com

PR 43 Routes

AS Data

AS21559

AS21559 – OSNET

AS Number	21559
AS Name	OSNET
Organization	OSNET (osnet)
Country	PR
Website	osnetpr.com
Number of IPv4 Routes	42
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2010-07-07

ASN Intelligence API for production workflows

Use ASN data for AS21559 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2604:1cc0::/32	AS21559	OSNET	OSNET	~79×10²⁷
69.24.197.0/24	AS21559	OSNET	OSNET	256
199.116.62.0/24	AS21559	OSNET	FiberX	256
167.94.224.0/23	AS21559	OSNET	Skynet Wireless	512
173.239.228.0/24	AS21559	OSNET	SMARTNET LLC	256
38.87.232.0/21	AS21559	OSNET	OSNet Wireless	2048
192.254.96.0/24	AS21559	OSNET	OSNET	256
200.5.23.0/24	AS21559	OSNET	OSNET	256
74.119.24.0/24	AS21559	OSNET	OSNET	256
67.206.200.0/21	AS21559	OSNET	OSNET	2048
154.64.208.0/21	AS21559	OSNET	OSNet Wireless	2048
208.81.59.0/24	AS21559	OSNET	FiberX	256
72.46.157.0/24	AS21559	OSNET	TS Network Inc.	256
38.2.160.0/19	AS21559	OSNET	OSNet Wireless	8192
72.46.158.0/23	AS21559	OSNET	FiberX	512
208.81.58.0/23	AS21559	OSNET		512
204.77.10.0/23	AS21559	OSNET	FiberX	512
192.254.109.0/24	AS21559	OSNET	OSNET	256
167.94.225.0/24	AS21559	OSNET	TUCEL PUERTO RICO LLC	256
154.64.216.0/21	AS21559	OSNET	OSNet Wireless	2048
69.24.198.0/24	AS21559	OSNET	OSNET	256
173.239.206.0/24	AS21559	OSNET	SMARTNET LLC	256
72.46.156.0/23	AS21559	OSNET	ONNET	512
192.228.98.0/23	AS21559	OSNET	CONEX	512
198.52.241.0/24	AS21559	OSNET	OSNET	256
204.77.11.0/24	AS21559	OSNET	YKNET PUERTO RICO CORPORACION	256
38.107.88.0/21	AS21559	OSNET	OSNet Wireless	2048
69.24.199.0/24	AS21559	OSNET	OSNET	256
200.5.16.0/20	AS21559	OSNET	OSNET	4096
172.93.2.0/23	AS21559	OSNET	RM COMMUNICATIONS, INC.	512
198.52.240.0/22	AS21559	OSNET	OSNET	1024
104.238.232.0/23	AS21559	OSNET	FiberX	512
198.52.240.0/24	AS21559	OSNET	OSNET	256
192.254.97.0/24	AS21559	OSNET	OSNET	256
104.218.240.0/22	AS21559	OSNET	FiberX	1024
104.218.241.0/24	AS21559	OSNET	Satell SJ Net	256
200.5.22.0/24	AS21559	OSNET	OSNET	256
192.254.96.0/20	AS21559	OSNET	OSNET	4096
149.18.39.0/24	AS21559	OSNET	LogicWeb Inc.	256
104.238.192.0/22	AS399291	Puerto Rico Fiber Network Inc	Puerto Rico Fiber Network Inc	1024
149.18.21.0/24	AS21559	OSNET	SMARTNET LLC	256
74.119.24.0/22	AS21559	OSNET	OSNET	1024
69.24.200.0/24	AS21559	OSNET	OSNET	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:       21559
ASName:         OSNET
ASHandle:       AS21559
RegDate:        2010-07-07
Updated:        2013-06-28
Ref:            https://rdap.arin.net/registry/autnum/21559


OrgName:        OSNET
OrgId:          OSNET
Address:        PO BOX 819
City:           Humacao
StateProv:      PR
PostalCode:     00792-0819
Country:        PR
RegDate:        2010-05-25
Updated:        2025-09-18
Ref:            https://rdap.arin.net/registry/entity/OSNET


OrgNOCHandle: RIVER5-ARIN
OrgNOCName:   Rivera, Ivan 
OrgNOCPhone:  +1-787-655-1919 
OrgNOCEmail:  noc@osnetpr.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RIVER5-ARIN

OrgNOCHandle: NOC33740-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-787-710-0000 
OrgNOCEmail:  noc@osnetpr.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33740-ARIN

OrgAbuseHandle: RIVER7-ARIN
OrgAbuseName:   Rivera, Ivan 
OrgAbusePhone:  +1-787-655-1919 
OrgAbuseEmail:  abuse@osnetpr.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RIVER7-ARIN

OrgTechHandle: TREJO37-ARIN
OrgTechName:   Trejo, Greider  
OrgTechPhone:  +1-787-655-1919 
OrgTechEmail:  gtrejo@osnetpr.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TREJO37-ARIN

RAbuseHandle: RIVER7-ARIN
RAbuseName:   Rivera, Ivan 
RAbusePhone:  +1-787-655-1919 
RAbuseEmail:  abuse@osnetpr.com
RAbuseRef:    https://rdap.arin.net/registry/entity/RIVER7-ARIN

RNOCHandle: RIVER6-ARIN
RNOCName:   Rivera, Ivan 
RNOCPhone:  +1-787-655-1919 
RNOCEmail:  irivera@osnetpr.com
RNOCRef:    https://rdap.arin.net/registry/entity/RIVER6-ARIN

RTechHandle: RIVER5-ARIN
RTechName:   Rivera, Ivan 
RTechPhone:  +1-787-655-1919 
RTechEmail:  noc@osnetpr.com
RTechRef:    https://rdap.arin.net/registry/entity/RIVER5-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" : "21559",
    "as_handle" : "AS21559",
    "as_name" : "OSNET",
    "tech_contacts" : [ "TREJO37-ARIN", "RIVER5-ARIN" ],
    "abuse_contacts" : [ "RIVER7-ARIN", "RIVER7-ARIN" ],
    "date_created" : "2010-07-07",
    "date_updated" : "2013-06-28",
    "source" : "https://rdap.arin.net/registry/autnum/21559"
  } ],
  "organization" : {
    "handle" : "OSNET",
    "name" : "OSNET",
    "address" : [ "PO BOX 819", "Humacao", "PR", "00792-0819", "PR" ],
    "city" : "Humacao",
    "state" : "PR",
    "zip_code" : "00792-0819",
    "country" : [ "PR" ],
    "date_created" : "2010-05-25",
    "date_updated" : "2025-09-18",
    "source" : "https://rdap.arin.net/registry/entity/OSNET"
  },
  "technical_contacts" : [ {
    "handle" : "TREJO37-ARIN",
    "name" : "Trejo, Greider",
    "email" : [ "gtrejo@osnetpr.com" ],
    "phone" : [ "+1-787-655-1919" ],
    "source" : "https://rdap.arin.net/registry/entity/TREJO37-ARIN"
  }, {
    "handle" : "RIVER5-ARIN",
    "name" : "Rivera, Ivan",
    "email" : [ "noc@osnetpr.com" ],
    "phone" : [ "+1-787-655-1919" ],
    "source" : "https://rdap.arin.net/registry/entity/RIVER5-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "RIVER7-ARIN",
    "name" : "Rivera, Ivan",
    "email" : [ "abuse@osnetpr.com" ],
    "phone" : [ "+1-787-655-1919" ],
    "source" : "https://rdap.arin.net/registry/entity/RIVER7-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS393434	Air Link Networks	US
AS36435	M.S. Wifi Zone Inc.	PR
AS62713	PubMatic, Inc.	US
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6614	T-Mobile USA, Inc.	US
AS3737	PenTeleData Inc.	US
AS40627	RingCentral Inc	US
AS286	GTT Communications Inc.	US
AS13631	CITADEL ENTERPRISE AMERICAS LLC	US
AS53684	Centre WISP Venture Company	US
AS14537	Continent 8 LLC	US
AS21351	Canal + Telecom SAS	GP
AS40850	UPIX NETWORKS INTERNATIONAL LLC	US
AS29606	Borwood Ltd	GB
AS397359	InfinityNet Wireless LLC	PR
AS37468	Angola Cables	AO
AS199524	G-Core Labs S.A.	LU
AS394684	GOLD DATA USA INC	US
AS28604	Globo Comunicação e Participaçoes SA	BR
AS393225	ARIN Operations	US
AS399647	Rumble USA Inc.	US
AS14244	NSI Hosting	US
AS3303	Swisscom Schweiz AG	CH
AS215724	Edgevana, Inc.	US
AS16509	Amazon.com, Inc.	US
AS11767	Quality Technology Services, LLC	US
AS54054	Deteque	US
AS46261	QuickPacket, LLC	US
AS53667	FranTech Solutions	US
AS22555	Smart Networks,LLC	PR
AS58453	China Mobile International Limited	HK
AS32478	IT Vocal LLC	US
AS22792	MOUNTAINET	US
AS400154	Thundernet Wireless	PR
AS36692	Cisco OpenDNS, LLC	US
AS32590	Valve Corporation	US
AS33724	VOLICO	US
AS6507	Riot Games, Inc	US
AS28663	FLYS INTERATIVA LTDA	BR
AS11114	Wintek Corporation	US
AS399337	Netcrawler Inc	CA
AS39963	IP SOLUTIONS, INC.	PR
AS138915	Kaopu Cloud HK Limited	HK
AS55134	SKYNET360 LLC	US
AS19684	Latigo, LLC	US
AS23379	Blackburn Technologies II, LLC	PR
AS402020	Planisys Corp	US
AS1031	PEER 1031 LLC	US
AS27281	Quantcast Corporation	US
AS61461	Airtek Solutions C.A.	VE
AS29838	Atlantic Metro Communications II, Inc.	US
AS30526	Neptuno Media, Inc.	PR
AS1828	Unitas Global	US
AS1299	Arelion Sweden AB	SE
AS999	CORIX NETWORKS	US
AS30677	Valley Health System	US
AS12684	SES ASTRA S.A.	LU
AS396986	Bytedance Inc.	US
AS1916	Rede Nacional de Ensino e Pesquisa	BR
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS64126	DOMINICAN TELECOM PRIME, DTP, S.R.L.	DO
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS12956	TELXIUS Cable	ES
AS14840	BR.Digital Telecom	BR
AS393573	Fuse Telecom LLC	PR
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	US
AS174	Cogent Communications, LLC	US
AS4230	CLARO S.A.	BR
AS37468	Angola Cables	AO
AS23379	Blackburn Technologies II, LLC	PR
AS60171	AFR IX TELECOM S.A.	ES
AS1031	PEER 1031 LLC	US
AS3303	Swisscom Schweiz AG	CH
AS1299	Arelion Sweden AB	SE
AS3257	GTT Communications Inc.	US
AS137409	GSL Networks Pty LTD	AU

Downstreams

AS Number	Description	Country
AS22109	Universal Group, Inc.	US
AS46868	VPNET INC	PR
AS36435	M.S. Wifi Zone Inc.	PR
AS10524	GOYA DE PUERTO RICO	PR
AS397470	Antoniol Electronic	PR
AS40414	Optivon, Inc.	PR
AS46941	Xairnet	PR
AS63393	BOOM NET	PR
AS6939	Hurricane Electric LLC	US
AS30294	Familynet Inc.	PR
AS393678	XDAR Wireless LLC	PR
AS395502	JeffColo	US
AS18895	Nustream Communications	PR
AS399294	4NET, INC	PR
AS46869	AWV Communications Inc.	PR
AS398317	FIREFI LLC	PR
AS397359	InfinityNet Wireless LLC	PR
AS396377	fastCLOUD	US
AS54835	SafeNet Corporation	PR
AS6208	FiberX	PR
AS62931	Plaza Las Americas, Inc.	PR
AS396502	HOTSPOTPR BROADBAND INTERNET, LLC	US
AS271945	AZTECA TELECOM S.R.L.	DO
AS397072	InNet Connections	PR
AS22555	Smart Networks,LLC	PR
AS397598	OSNET	PR
AS399126	I COMM NETWORKS LLC	PR
AS400154	Thundernet Wireless	PR
AS3838	Ubinet Wireless	PR
AS393573	Fuse Telecom LLC	PR
AS14534	UNONET CORP	PR
AS396899	Natural G.C. Inc.	PR
AS397399	Veloz Wireless Corp	PR
AS395471	Data@ccess Communication, Inc.	PR
AS39963	IP SOLUTIONS, INC.	PR
AS27213	PRC Internet Corp	PR
AS399881	WiFi Services Caribbean, Inc.	US
AS400354	ALPHANET CORP	PR
AS21944	VelocityNet PR	PR
AS40880	NAICOM CORPORATION	PR