Data as of Nov 3, 2026

83.103.0.0/18

7 residential-proxy exits · 30 days

Fastweb SpA

Announcement

this exact prefix

RPKI valid

Announced by

AS12874

Type

Residential

95% of it

Residential-proxy exits

Proxy exits

0.04% of its addresses · 30 days

Always-on exits

14% of its exits

Spread

6 of 64

/24s with at least one exit

Providers

selling exits here

Oct 4, 2026 – Nov 2, 2026

Exits seen per day

1.5K observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
83.103.8.0/24	1	1
83.103.38.0/24	0	2
83.103.2.0/24	0	1
83.103.13.0/24	0	1
83.103.30.0/24	0	1
83.103.37.0/24	0	1

Proxy providers listing exits

2Extract
711Proxy
Ake.net
AnyIP
BirdProxies
BlurPath
BottingTools
ByteProxies
Byteful
CliProxy
EZProxies
EnigmaProxy
FlashProxy
FlexyProxies
FloppyData
GSocks
Geonix
GoProxies
GonzoProxy
IPFly
IPPeak
Infatica
LemonBright
LemonLabs
MangoProxy
Maskify
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
Proxy-Seller
Proxy4U
ProxyEmpire
ProxyRack
Proxyma
PuraRoute
RainProxy
Shifter
Thordata
VitalExclusive

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
83.103.0.0/17 since May 2005	AS12874	Residential	22 1 always on	Fastweb SpA

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
83.103.0.0/17	32,768	IT-FASTWEB-20040308	Fastweb SpA (ORG-FA7-RIPE) · IT	ALLOCATED PA	Mar 8, 2004	[email protected]
└ 83.103.0.128/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Dec 18, 2015	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.0/25	128	FASTWEB-POP-3701	Infrastructure for Fastweb's main location	ASSIGNED PA	Mar 3, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.128/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 3601 for	ASSIGNED PA	Mar 12, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.144/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 3903 for	ASSIGNED PA	Mar 13, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.160/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 5101 for	ASSIGNED PA	Mar 18, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.176/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 0101 for	ASSIGNED PA	Mar 20, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.192/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 2307 for	ASSIGNED PA	Mar 21, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.208/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 3603 for	ASSIGNED PA	Mar 25, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.224/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 3701 for	ASSIGNED PA	Mar 27, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.1.240/28	16	FASTWEB-INTERNET-MOA	MOA IP address POP 2901 for	ASSIGNED PA	Apr 11, 2025	[email protected] via IT-FASTWEB-20040308
└ 83.103.2.0/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Dec 11, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.2.128/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Mar 1, 2018	[email protected] via IT-FASTWEB-20040308
└ 83.103.3.0/24	256	FASTWEB-POP-4105	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.4.0/24	256	FASTWEB-POP-4102	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.5.0/24	256	FASTWEB-POP-4102	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.6.0/24	256	FASTWEB-POP-2301	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.7.0/24	256	FASTWEB-POP-2301	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.8.0/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	May 21, 2024	[email protected] via IT-FASTWEB-20040308
└ 83.103.8.128/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Nov 2, 2017	[email protected] via IT-FASTWEB-20040308
└ 83.103.9.0/24	256	FASTWEB-POP-2304	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.10.0/24	256	FASTWEB-POP-2304	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.11.0/24	256	FASTWEB-POP-3901	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.12.0/24	256	FASTWEB-POP-3901	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.13.0/25	128	FASTWEB-POP-3902	Infrastructure for Fastweb's main location	ASSIGNED PA	Jan 28, 2016	[email protected] via IT-FASTWEB-20040308
└ 83.103.13.128/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Jan 28, 2016	[email protected] via IT-FASTWEB-20040308
└ 83.103.14.0/24	256	FASTWEB-POP-3902	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.15.0/24	256	FASTWEB-POP-3101	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.16.0/24	256	FASTWEB-POP-3101	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.17.0/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Jan 12, 2010	[email protected] via IT-FASTWEB-20040308
└ 83.103.17.128/25	128	FASTWEB-POP-INTERNET	Infrastructure for Fastwebs main location	ASSIGNED PA	Jan 14, 2010	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.0/26	64	FASTWEB-POP-4100-SMALL-BUSINESS-1	Infrastructure for Fastweb's main location	ASSIGNED PA	Apr 2, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.64/26	64	FASTWEB-POP-4100-SMALL-BUSINESS-3	Infrastructure for Fastweb's main location	ASSIGNED PA	Sep 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.128/29	8	FASTWEB-TOSETTO-WEIGMANN-ASSOCIATI	TOSETTO, WEIGMANN E ASSOCIATI public subnet	ASSIGNED PA	Oct 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.136/29	8	FASTWEB-STAMPERIA-srl	STAMPERIA SRL public subnet	ASSIGNED PA	Oct 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.144/29	8	FASTWEB-MECAR-SRL	MECAR - SRL public subnet	ASSIGNED PA	Sep 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.152/30	4	FASTWEB-OTTOWEB	OTTOWEB SRL public subnets	ASSIGNED PA	Nov 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.156/30	4	FASTWEB-Notaio-Mauro-D-Ambrosi	Notaio Mauro D'Ambrosi public subnet	ASSIGNED PA	Sep 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.168/29	8	FASTWEB-STUDIO-BENESSIA-MACCAGNO	STUDIO BENESSIA MACCAGNO public subnet	ASSIGNED PA	Jul 22, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.192/29	8	FASTWEB-METRO-MEDIA-ITALIA	METROMEDIA-ITALIA public subnet	ASSIGNED PA	Jul 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.200/29	8	FASTWEB-SOFITER	SOFITER SPA public subnet	ASSIGNED PA	Jul 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.208/29	8	FASTWEB-FRAME_SRL	FRAME SPA public subnet	ASSIGNED PA	Jun 14, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.240/29	8	FASTWEB-SoftwareLine	SoftwareLine public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.18.248/29	8	FASTWEB-COMUNE_DI_MATHI	COMUNE DI MATHI public subnet	ASSIGNED PA	Jun 19, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.0/28	16	FASTWEB-Franfinance-Leasing-Italia	Franfinance Leasing Italia public subnet	ASSIGNED PA	Apr 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.16/29	8	FASTWEB-BANCODOBRASIL	BANCODOBRASIL public subnet	ASSIGNED PA	Apr 19, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.24/29	8	FASTWEB-IRGE	IRGE public subnet	ASSIGNED PA	Apr 19, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.32/27	32	FASTWEB-TOTOBIT	TOTOBIT public subnet	ASSIGNED PA	Apr 19, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.64/29	8	FASTWEB-Vending-System	Vending System Italia SpA public subnet	ASSIGNED PA	Apr 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.72/29	8	FASTWEB-Lispa	Settima subnet	ASSIGNED PA	Apr 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.80/28	16	FASTWEB-The-Net-Planet	The Net Planet public subnet	ASSIGNED PA	May 5, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.96/27	32	FASTWEB-Lispa	Sesta subnet	ASSIGNED PA	Apr 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.128/28	16	FASTWEB-CMB	COOP CMB COOPERATIVA public subnet	ASSIGNED PA	May 10, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.144/28	16	FASTWEB-Yellow-and-Red-Communic-action	Yellow and Red Communic.action public subnet	ASSIGNED PA	May 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.160/27	32	FASTWEB-Italtel	Italtel public subnet	ASSIGNED PA	May 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.200/29	8	FASTWEB-AtelEnergia	Atel Energia public subnet	ASSIGNED PA	May 20, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.208/28	16	FASTWEB-BRICOCENTER_ITALIA_SRL	BRICOCENTER ITALIA SRL public subnet	ASSIGNED PA	May 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.224/29	8	FASTWEB-Scame-Parre	Scame Parre spa public subnet	ASSIGNED PA	Oct 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.232/29	8	FASTWEB-ROTOMAIL-ITALIA	ROTOMAIL ITALIA SPA public subnet	ASSIGNED PA	Sep 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.19.240/28	16	FASTWEB-ALD_Automotive	ALD Automotive public subnet	ASSIGNED PA	May 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.0/26	64	FASTWEB-POP-0100-SMALL-BUSINESS	Infrastructure for Fastweb's main location	ASSIGNED PA	Apr 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.64/26	64	FASTWEB-POP-0100-SMALL-BUSINESS	Infrastructure for Fastweb's main location	ASSIGNED PA	May 17, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.136/30	4	FASTWEB-NEST2_S_R_L	NEST2 SRL public subnet	ASSIGNED PA	May 18, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.140/30	4	FASTWEB-CIESSETI	CIESSETI s.r.l. public subnets	ASSIGNED PA	Aug 17, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.152/29	8	FASTWEB-VIRGINIO_SRL	Virginio s.r.l public subnet	ASSIGNED PA	May 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.168/29	8	FASTWEB-DAMATOMACCHINE	DAMATOMACCHINE public subnet	ASSIGNED PA	Apr 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.180/30	4	FASTWEB-CARRO_SRL	CARRO SRL public subnet	ASSIGNED PA	Aug 20, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.184/30	4	FASTWEB-LAMBERTI	LAMBERTI public subnet	ASSIGNED PA	Apr 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.192/30	4	FASTWEB-GATENET_SRL	GATENET SRL public subnets	ASSIGNED PA	May 9, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.196/30	4	FASTWEB-DTZ_INTERNATIONAL_LIMITED_SRL	DTZ INTERNATIONAL LIMITED SRL public subnet	ASSIGNED PA	Aug 5, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.200/29	8	FASTWEB-FLLI-MIORINI-METALLI	F.LLI MIORINI METALLI SPA public subnets	ASSIGNED PA	Jul 7, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.208/29	8	FASTWEB-ZEROUNO_INFORMATICA	ZEROUNO INFORMATICA public subnet	ASSIGNED PA	Jan 16, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.216/29	8	FASTWEB-REALLIFE_TELEVISION_SPA	REALLIFE TELEVISION SPA public subnet	ASSIGNED PA	Aug 5, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.228/30	4	FASTWEB-TUBIFAL_SRL	TUBIFAL SRL public subnet	ASSIGNED PA	Jul 29, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.20.240/29	8	FASTWEB-GATTEFOSSE_ITALIA	GATTEFOSSE ITALIA public subnet	ASSIGNED PA	Sep 4, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.21.0/24	256	FASTWEB-Generalsoft	Generalsoft public subnet	ASSIGNED PA	Apr 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.0/26	64	FASTWEB-TreNet	TreNet public subnet	ASSIGNED PA	Apr 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.64/28	16	FASTWEB-ACCENT	ACCENT public subnet	ASSIGNED PA	Apr 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.80/29	8	FASTWEB-ACCENT	ACCENT public subnet	ASSIGNED PA	Apr 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.92/30	4	FASTWEB-SIBA-SHIPS	SIBA SHIPS public subnet	ASSIGNED PA	Jul 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.96/29	8	FASTWEB-Sat-Operations-TV	Sat Operations TV public subnet	ASSIGNED PA	May 5, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.104/29	8	FASTWEB-FRENOCARDUE	FRENOCARDUE public subnet	ASSIGNED PA	May 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.112/28	16	FASTWEB-RTC_SPA	RTC public subnet	ASSIGNED PA	May 6, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.128/26	64	FASTWEB-MOVIEMENT	MOVIEMENT public subnet	ASSIGNED PA	May 6, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.192/29	8	FASTWEB-ARTICROM_ADV_SRL	Articrom public subnet	ASSIGNED PA	May 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.200/29	8	FASTWEB-LMI	LAZZARI MONTAGGI INDUSTRIALI LMI public subnet	ASSIGNED PA	May 17, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.208/29	8	FASTWEB-DEECOM	DEECOM S.r.l. public subnet	ASSIGNED PA	May 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.216/29	8	FASTWEB-IPERTRADE	IPERTRADE public subnet	ASSIGNED PA	May 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.22.224/27	32	FASTWEB-IPERTRADE	IPERTRADE public subnet	ASSIGNED PA	May 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.64/29	8	FASTWEB-MICROAREA	MICROAREA public subnet	ASSIGNED PA	May 25, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.72/29	8	FASTWEB-ROYAL_AND_SUN_ALLIANCE_ASSICURAZIONI	Royal&SunAlliance public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.96/28	16	FASTWEB-TRIBUTI_ITALIA	TRIBUTI ITALIA public subnet	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.112/28	16	FASTWEB-COSTACONTAINER	COSTACONTAINER public subnet	ASSIGNED PA	Jul 5, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.160/28	16	FASTWEB-ISTITUTO-ITALIANO-DELLA-SALDATURA	ISTITUTO ITALIANO DELLA SALDATURA public subnet	ASSIGNED PA	Aug 30, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.176/28	16	FASTWEB-ITALCOM	ITALCOM SPA public subnet	ASSIGNED PA	Sep 30, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.192/27	32	FASTWEB-ITALCOM	ITALCOM SPA public subnet	ASSIGNED PA	Sep 30, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.224/29	8	FASTWEB-VOLTRI-TERMINAL-EUROPA	VOLTRI TERMINAL EUROPA public subnet	ASSIGNED PA	Oct 4, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.232/29	8	FASTWEB-CAAF-CGIL-LIGURIA	CAAF CGIL LIGURIA public subnet	ASSIGNED PA	Oct 4, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.244/30	4	FASTWEB-KEMIKA	KEMIKA SPA public subnet	ASSIGNED PA	Oct 25, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.23.248/29	8	FASTWEB-ELTEK	ELTEK SRL public subnet	ASSIGNED PA	Nov 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.0/30	4	FASTWEB-FAI-FTC	FAI - F.T.C. public subnet	ASSIGNED PA	Oct 12, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.4/30	4	FASTWEB-AULETTA_ANGELO_ANDREA_IND	AULETTA ANGELO ANDREA public subnet	ASSIGNED PA	Sep 30, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.16/29	8	FASTWEB-ETS	E.T.S. public subnet	ASSIGNED PA	Sep 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.32/29	8	FASTWEB-CRANE_PROCESS_FLOW_TECHNOLOGIES	CRANE PROCESS FLOW TECHNOLOGIES public subnet	ASSIGNED PA	May 17, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.80/30	4	FASTWEB-EUROCONTROLLI	EUROCONTROLLI public subnet	ASSIGNED PA	Feb 13, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.100/30	4	FASTWEB-ZEROUNO-INFORMATICA	ZEROUNO INFORMATICA srl public subnet	ASSIGNED PA	Jul 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.120/29	8	FASTWEB-LONGA_NET_SERVICE_UNIPERSONALE_SRL	LONGA NET SERVICE UNIPERSONALE public subnet	ASSIGNED PA	Jun 25, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.128/29	8	FASTWEB-MAXCO	MAXCO public subnet	ASSIGNED PA	Jun 18, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.144/29	8	FASTWEB-LINEA-3-NEXT	LINEA 3 NEXT SRL public subnet	ASSIGNED PA	Jun 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.152/29	8	FASTWEB-ASA-INFORMATICA	ASA INFORMATICA SNC public subnet	ASSIGNED PA	Jun 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.160/29	8	FASTWEB-CENTRO-COMPUTER-NORD-EST	CENTRO COMPUTER NORD EST srl public subnet	ASSIGNED PA	Jun 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.168/29	8	FASTWEB-Safra	Safra SpA public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.184/29	8	FASTWEB-Urmet-Domus	Urmet Domus S.p.A. public subnet	ASSIGNED PA	May 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.200/29	8	FASTWEB-MEDIANA	MEDIANA SRL public subnet	ASSIGNED PA	May 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.208/29	8	FASTWEB-EDMOND_PHARMA	EDMOND PHARMA public subnet	ASSIGNED PA	Nov 30, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.216/29	8	FASTWEB-FIZ	F.I.Z. SPA public subnet	ASSIGNED PA	May 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.24.224/29	8	FASTWEB-3A-DEI-FRATELLI-ANTONINI	3A DEI FRATELLI ANTONINI SPA public subnet	ASSIGNED PA	May 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.0/29	8	FASTWEB-CEL-COOPERATIVA-EDITORIALE-LIBERO	C.E.L. COOPERATIVA EDITORIALE LIBERO A.R.L public subnet	ASSIGNED PA	May 17, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.12/30	4	FASTWEB-EDS-ITALIA	EDS public subnet	ASSIGNED PA	May 25, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.16/29	8	FASTWEB-MINISTERO-PER-I-BENI-E-LE-ATTIVITA-CULTURALI	MINISTERO PER I BENI E LE ATTIVITA' CULTURALI public subnet	ASSIGNED PA	May 19, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.24/30	4	FASTWEB-ELI-EDIZIONI-LIVING-INTERNATIONALS	ELI EDIZIONI LIVING INTERNATIONALS S.p.A. public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.28/30	4	FASTWEB-GECLI-Gestione-Cliniche	GECLI Gestione Cliniche S.p.A. public subnet	ASSIGNED PA	Jun 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.32/28	16	FASTWEB-CONFOR_INFORMATICA	Confor Informatica public subnet	ASSIGNED PA	May 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.48/29	8	FASTWEB-LA-MARGHERITA	LA MARGHERITA public subnet	ASSIGNED PA	Apr 22, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.56/29	8	FASTWEB-MBDA-ITALIA	MBDA ITALIA public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.64/29	8	FASTWEB-MULTITHEMATIQUES-ITALIA	MULTITHEMATIQUES ITALIA public subnet	ASSIGNED PA	Jun 11, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.72/29	8	FASTWEB-CentroDirezionaleEur	CentroDirezionaleEur public subnet	ASSIGNED PA	Jun 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.80/29	8	FASTWEB-COMeData	COMeData public subnet	ASSIGNED PA	Jun 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.88/29	8	FASTWEB-CONTACTCENTRE	CONTACTCENTRE public subnet	ASSIGNED PA	Jun 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.96/28	16	FASTWEB-AGIDAE	AGIDAE public subnet	ASSIGNED PA	Jun 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.112/29	8	FASTWEB-TRIBUTI_ITALIA	TRIBUTI ITALIA public subnet	ASSIGNED PA	Jun 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.120/30	4	FASTWEB-TRIBUTI_ITALIA	TRIBUTI ITALIA public subnet	ASSIGNED PA	Jun 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.124/30	4	FASTWEB-GAI-MATTIOLO	GAI MATTIOLO public subnet	ASSIGNED PA	Jun 25, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.128/29	8	FASTWEB-BERNESE-ASSICURAZIONI	BERNESE ASSICURAZIONI S.p.A. public subnet	ASSIGNED PA	Jun 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.136/29	8	FASTWEB-EDILCASSA-DEL-LAZIO	EDILCASSA DEL LAZIO public subnet	ASSIGNED PA	Jun 24, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.144/29	8	FASTWEB-Salini	Salini public subnet	ASSIGNED PA	Jul 5, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.152/29	8	FASTWEB-ARENA-HOLDING	ARENA HOLDING public subnet	ASSIGNED PA	Jul 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.160/28	16	FASTWEB-SOGEI_SOC_GENERALE_INFORMATICA_SPA	Sogei Societa' Generale d' Informatica SPA public subnet	ASSIGNED PA	Feb 24, 2012	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.176/29	8	FASTWEB-NTS	NTS public subnet	ASSIGNED PA	Jul 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.192/28	16	FASTWEB-TECNODATA	TECNODATA public subnet	ASSIGNED PA	Jul 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.208/30	4	FASTWEB-Editoriale-il-romanista	Editoriale il romanista public subnet	ASSIGNED PA	Jul 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.216/30	4	FASTWEB-FINDOMESTIC	FINDOMESTIC public subnet	ASSIGNED PA	Aug 6, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.224/30	4	FASTWEB-PAR-CO	PAR.CO. Srl public subnet	ASSIGNED PA	Sep 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.228/30	4	FASTWEB-COGEL	CO.GE.L public subnet	ASSIGNED PA	Sep 14, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.232/30	4	FASTWEB-BEC-SPEAKERS	B.E.C. SPEAKERS S.p.A. public subnet	ASSIGNED PA	Sep 22, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.25.240/29	8	FASTWEB-RDS	Radio Dimensione Suono public subnet	ASSIGNED PA	Apr 28, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.0/29	8	FASTWEB-Energia-Territorio	Energia e Territorio SpA public subnet	ASSIGNED PA	May 18, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.8/29	8	FASTWEB-ILMAS	ILMAS public subnet	ASSIGNED PA	May 26, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.16/29	8	FASTWEB-ASSOCIAZIONE-ONLUS-SHY-ITALIA	ASSOCIAZIONE ONLUS S.H.Y. ITALIA public subnet	ASSIGNED PA	May 31, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.24/30	4	FASTWEB-MULTIMEDIA-HYPER-WEB	MULTIMEDIA HYPER WEB public subnet	ASSIGNED PA	Jun 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.28/30	4	FASTWEB-MULTIMEDIA-HYPER-WEB	MULTIMEDIA HYPER WEB public subnet	ASSIGNED PA	Jun 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.32/27	32	FASTWEB-CITTA-STUDI	CITTA' STUDI public subnet	ASSIGNED PA	Jun 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.64/26	64	FASTWEB-INFASTRUCTURE	FASTWEB INFASTRUCTURE public subnet	ASSIGNED PA	Feb 11, 2026	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.128/26	64	FASTWEB-INFRASTRUTTURA	FASTWEB-INFRASTRUTTURA public subnet	ASSIGNED PA	Aug 12, 2026	[email protected] via IT-FASTWEB-20040308
└ 83.103.26.192/26	64	FASTWEB-POP-4105-2	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 17, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.8/29	8	FASTWEB-YOU-ARE	YOU ARE public subnet	ASSIGNED PA	Jun 24, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.16/29	8	FASTWEB-LASINTESI	La Sintesi srl public subnet	ASSIGNED PA	Jul 2, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.24/30	4	FASTWEB-BETA_SINT_SRL	BETA SINT SRL public subnet	ASSIGNED PA	Aug 5, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.40/30	4	FASTWEB-FERRARA	FERRARA public subnet	ASSIGNED PA	Jul 14, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.44/30	4	FASTWEB-Dottor-Giuseppe-Franco	Dottor Giuseppe Franco public subnet	ASSIGNED PA	Jul 28, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.48/29	8	FASTWEB-TELSEY	TELSEY s.p.a. public subnet	ASSIGNED PA	Jul 21, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.56/29	8	FASTWEB-ComunicaComunica	Comunica & Comunica public subnet	ASSIGNED PA	Jul 28, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.64/26	64	FASTWEB-POP-0100-SMALL-BUSINESS	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.128/29	8	FASTWEB-IRWIN	IRWIN public subnet	ASSIGNED PA	Jun 18, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.144/30	4	FASTWEB-STAR_DUEK	STAR DUEK SNC public subnet	ASSIGNED PA	Sep 7, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.152/29	8	FASTWEB-CombiLineInternational	CombiLineInternational public subnet	ASSIGNED PA	Jun 15, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.184/29	8	FASTWEB-KEY-PRESS	KEY PRESS SRL public subnet	ASSIGNED PA	Jun 7, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.192/29	8	FASTWEB-EVOLUTION_SYSTEMS	EVOLUTION SYSTEMS public subnet	ASSIGNED PA	Nov 25, 2009	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.200/29	8	FASTWEB-MURAGLIA_CALZOLARI___ASSOCIATI_SRL	MURAGLIA CALZOLARI & ASSOCIATI SRL public subnet	ASSIGNED PA	Nov 30, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.216/29	8	FASTWEB-MICROELETTRICA	MICROELETTRICA SpA public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.224/29	8	FASTWEB-EMMEGI-MULTIMEDIA	EMMEGI MULTIMEDIA SRL public subnet	ASSIGNED PA	May 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.27.240/29	8	FASTWEB-GENERAL-BROKER-SERVICE	GENERAL BROKER SERVICE public subnet	ASSIGNED PA	May 27, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.28.0/24	256	FASTWEB-POP-2901	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.0/27	32	FASTWEB-Guttadauro-sistemi	Guttadauro sistemi srl public subnet	ASSIGNED PA	May 31, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.32/29	8	FASTWEB-Cooperativa-Editoriale-Libero	Cooperativa Editoriale Libero public subnet	ASSIGNED PA	May 31, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.40/30	4	FASTWEB-Imagine	Imagine srl public subnet	ASSIGNED PA	May 31, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.44/30	4	FASTWEB-VEDANI-CARLO-METALLI	VEDANI CARLO METALLI public subnet	ASSIGNED PA	Jul 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.48/29	8	FASTWEB-Tamoil	Tamoil public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.56/29	8	FASTWEB-HOLE_IN_ONE	HOLE IN ONE public subnet	ASSIGNED PA	Jun 1, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.64/30	4	FASTWEB-SELF-CARE	FASTWEB public subnet	ASSIGNED PA	May 24, 2016	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.128/29	8	FASTWEB-Ecoltecnica-Italiana	Ecoltecnica Italiana S.p.A. public subnet	ASSIGNED PA	Jun 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.136/29	8	FASTWEB-Thermore	Thermore SpA public subnet	ASSIGNED PA	Jun 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.144/29	8	FASTWEB-MPH	MPH public subnet	ASSIGNED PA	Jun 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.152/29	8	FASTWEB-MAQUET-Italia-Spa	MAQUET Italia Spa public subnet	ASSIGNED PA	Jun 10, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.160/27	32	FASTWEB-RISANAMENTO	Risanamento SpA public subnet	ASSIGNED PA	Jun 11, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.192/28	16	FASTWEB-NEXT-CONSULTING	NEXT CONSULTING public subnet	ASSIGNED PA	Jun 14, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.208/29	8	FASTWEB-SCUOLE-CIVICHE-DI-MILANO	SCUOLE CIVICHE DI MILANO public subnet	ASSIGNED PA	Jun 15, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.216/29	8	FASTWEB-Computer-Sharing	Computer Sharing public subnet	ASSIGNED PA	Jun 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.224/28	16	FASTWEB-GESIass	GE.SI.ass. public subnet	ASSIGNED PA	Jun 22, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.29.240/28	16	FASTWEB-ITALFARMACO	ITALFARMACO public subnet	ASSIGNED PA	Jun 22, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.0/26	64	FASTWEB-POP-2300-SMALL-BUSINESS-4	Infrastructure for Fastweb's main location	ASSIGNED PA	Jun 8, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.64/29	8	FASTWEB-Capri	Capri Srl public subnet	ASSIGNED PA	Sep 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.72/29	8	FASTWEB-Colli-Drill	Colli Drill S.r.l. public subnet	ASSIGNED PA	Sep 9, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.80/29	8	FASTWEB-Gruppo-Essediuno	Gruppo Essediuno S.r.l. public subnet	ASSIGNED PA	Aug 23, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.88/29	8	FASTWEB-AN	AN public subnet	ASSIGNED PA	Jul 1, 2005	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.96/30	4	FASTWEB-COLANGELO-FLAVIA-NOTAIO	COLANGELO FLAVIA NOTAIO public subnet	ASSIGNED PA	Sep 2, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.104/29	8	FASTWEB-ARAN_HOTELS_SARL	ARAN HOTELS public subnet	ASSIGNED PA	Sep 13, 2006	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.112/29	8	FASTWEB-Centro-Ciechi	CENTRO REGIONALE S.ALESSIO MARGHERITA di SAVOIA PER CIECHI public subnet	ASSIGNED PA	Jul 29, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.120/29	8	FASTWEB-ROSSINI-TRAVEL-SERVICE	ROSSINI TRAVEL SERVICE srl public subnet	ASSIGNED PA	Jul 20, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.136/29	8	FASTWEB-OTHER	OTHER public subnet	ASSIGNED PA	Jul 16, 2004	[email protected] via IT-FASTWEB-20040308
└ 83.103.30.152/29	8	FASTWEB-Intecs	Intecs public subnet	ASSIGNED PA	Jul 16, 2004	[email protected] via IT-FASTWEB-20040308

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A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses

Type	Addresses	Share	Ranges
Residential	15,528	95%	18
Business	856	5.2%	15

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS12874

Name: Fastweb SpA
Type: Internet provider
Registered: Dec 17, 1999
Domain: fastweb.it
Website: www.fastweb.it
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
83.103.0.0/18	AS12874	/18	RIPE	RPKI valid
83.103.0.0/17	AS12874	/17	RIPE	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS12874	RIPE	Fastweb Networks block	FASTWEB-MNT	Feb 5, 2008

83.103.0.0/18

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Announcements

Covering announcements

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS12874

Covering aggregate above, the prefix's own history below

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact