Autonomous System

AS3303

Bluewin

Bluewin Switzerland 🌐 swisscom.ch

Announced IPs

3,492,863

CIDR prefixes

415

ASN

AS3303

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100

Moderate

How this score is built

Baseline (neutral) 65
Enterprise allocation +4
Trust score 69 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About Swisscom

Swisscom AG is a major telecommunications provider in Switzerland. Its headquarters are in Worblaufen, near Bern.

Founded

1997

Headquarters

Ittigen

Industry

telecommunications industry

Employees

21,125

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Network profile

Source: PeeringDB →

Network type Cable/DSL/ISP

Traffic level 1-5Tbps

Geographic scope Europe

Traffic ratio Mostly Inbound

Peering policy Selective

IRR record RIPE::AS3303:AS-SWCMGLOBAL

Present at 64 internet exchanges: Equinix Chicago, Equinix Dallas, CIXP, Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500, NYIIX New York, LINX LON1: Main, SwissIX: Peering, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, BIX, Equinix Miami, …

Website ↗

Web3 footprint

AS3303 hosts 45 observed decentralized-network nodes across 6 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Ξ Ethereum 25 GNO Gnosis 16 ₿ Bitcoin 1 DOT Polkadot 1 IPFS IPFS 1 ◎ Solana 1

AS3303 — global IP footprint

Cities where AS3303 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
85.0.0.0/13	524.3K	100.0%	Bluewin	CH	Grisons	Chur
178.192.0.0/13	524.3K	87.6%	Bluewin	CH	Bern	Bern
83.76.0.0/14	262.1K	100.0%	Bluewin	CH	Vaud	Pully
92.104.0.0/14	262.1K	99.9%	Bluewin	CH	Basel-City	Basel
178.192.0.0/14	262.1K	99.7%	Bluewin	CH	Geneva	Geneva
188.60.0.0/14	262.1K	99.5%	Bluewin	CH	Vaud	Lausanne
81.62.0.0/15	131.1K	37.2%	Bluewin	CH	Zurich	Zurich
178.196.0.0/15	131.1K	51.3%	Bluewin	CH	Bern	Bern
46.14.0.0/16	65.5K	99.6%	Bluewin	CH	Zurich	Zurich
62.203.0.0/16	65.5K	99.6%	Bluewin	CH	—	—
138.190.0.0/16	65.5K	0.1%	Bluewin	CH	Aargau	Dintikon
138.223.0.0/16	65.5K	0.0%	Bluewin	CH	—	—
146.4.0.0/16	65.5K	49.9%	Bluewin	CH	Bern	Bern
162.21.0.0/16	65.5K	0.1%	Bluewin	CH	—	—
176.127.0.0/16	65.5K	99.5%	Bluewin	CH	Zurich	Rümlang
178.198.0.0/16	65.5K	99.5%	Bluewin	CH	Vaud	Lausanne
195.186.0.0/16	65.5K	0.4%	Bluewin	CH	—	—
213.3.0.0/16	65.5K	40.2%	Bluewin	CH	Zurich	Zurich
46.14.0.0/17	32.8K	99.5%	Bluewin	CH	Zurich	Zurich
62.202.0.0/17	32.8K	49.6%	Bluewin	CH	Zurich	Zurich
109.164.128.0/17	32.8K	99.5%	Bluewin	CH	Geneva	Geneva
138.188.0.0/17	32.8K	0.1%	Bluewin	CH	Zurich	Opfikon
164.128.128.0/17	32.8K	54.0%	Bluewin	CH	Zurich	Zurich
170.17.128.0/17	32.8K	99.2%	Bluewin	CH	Zurich	Zurich
178.199.128.0/17	32.8K	99.6%	Bluewin	CH	Vaud	Pully
217.192.128.0/17	32.8K	7.8%	Bluewin	CH	Zug	Zug
217.193.0.0/17	32.8K	51.6%	Bluewin	CH	Zurich	Zurich
46.14.128.0/18	16.4K	99.6%	Bluewin	CH	Aargau	Wettingen
83.173.192.0/18	16.4K	100.0%	Bluewin	CH	Geneva	Carouge
84.253.0.0/18	16.4K	99.6%	Bluewin	CH	Lucerne	Ebersecken
95.152.64.0/18	16.4K	99.5%	Bluewin	CH	—	—
138.81.0.0/18	16.4K	0.0%	Bluewin	CH	—	—
138.81.128.0/18	16.4K	0.0%	Bluewin	CH	—	—
138.187.128.0/18	16.4K	14.9%	Bluewin	CH	—	—
138.188.192.0/18	16.4K	0.0%	Bluewin	CH	—	—
144.2.64.0/18	16.4K	99.5%	Bluewin	CH	Zurich	Zurich
170.205.64.0/18	16.4K	99.2%	Bluewin	CH	Zug	Zug
178.174.0.0/18	16.4K	99.1%	Bluewin	CH	Zurich	Uitikon
178.199.0.0/18	16.4K	99.5%	Bluewin	CH	Vaud	Lausanne
195.65.192.0/18	16.4K	3.9%	Bluewin	CH	Zurich	Zurich
212.243.192.0/18	16.4K	11.0%	Bluewin	CH	Aargau	Merenschwand
213.200.192.0/18	16.4K	99.6%	Bluewin	CH	Zurich	Zurich
217.193.128.0/18	16.4K	9.6%	Bluewin	CH	Lucerne	Ballwil
46.14.192.0/19	8.2K	99.5%	Bluewin	CH	Zug	Zug
62.202.224.0/19	8.2K	0.0%	Bluewin	CH	—	—
138.187.160.0/19	8.2K	5.7%	Bluewin	CH	—	—
138.188.128.0/19	8.2K	0.0%	Bluewin	CH	—	—
164.128.32.0/19	8.2K	20.9%	Bluewin	CH	—	—
164.128.64.0/19	8.2K	20.6%	Bluewin	CH	—	—
178.174.64.0/19	8.2K	99.1%	Bluewin	CH	Lucerne	Oberkirch
178.199.96.0/19	8.2K	99.5%	Bluewin	CH	Zurich	Horgen
193.222.64.0/19	8.2K	0.9%	Bluewin	CH	Thurgau	Weinfelden
193.223.32.0/19	8.2K	0.2%	Bluewin	CH	Ticino	Bellinzona
194.209.160.0/19	8.2K	3.5%	Bluewin	CH	Vaud	Rolle
195.65.160.0/19	8.2K	4.9%	Bluewin	CH	Zurich	Winterthur
195.144.32.0/19	8.2K	8.5%	Bluewin	CH	Bern	Gümligen
195.176.128.0/19	8.2K	2.0%	Bluewin	CH	—	—
195.176.192.0/19	8.2K	0.2%	Bluewin	CH	—	—
212.41.192.0/19	8.2K	99.0%	Bluewin	CH	Zurich	Wetzikon
212.90.192.0/19	8.2K	99.2%	Bluewin	CH	Lucerne	Willisau
212.117.96.0/19	8.2K	5.2%	Bluewin	CH	Lucerne	Hellbühl
213.180.160.0/19	8.2K	99.4%	Bluewin	CH	Zug	Buonas
217.192.32.0/19	8.2K	1.7%	Bluewin	CH	Zurich	Zurich
217.192.96.0/19	8.2K	1.6%	Bluewin	CH	Lucerne	Lucerne
217.193.0.0/19	8.2K	48.8%	Bluewin	CH	—	—
217.193.64.0/19	8.2K	38.0%	Bluewin	CH	—	—
217.193.224.0/19	8.2K	1.9%	Bluewin	CH	Basel-City	Basel
46.14.224.0/20	4.1K	99.6%	Bluewin	CH	Solothurn	Obergösgen
62.202.128.0/20	4.1K	0.5%	Bluewin	CH	—	—
62.202.176.0/20	4.1K	99.7%	Bluewin	CH	Zurich	Zurich
62.202.208.0/20	4.1K	4.7%	Bluewin	CH	—	—
78.110.128.0/20	4.1K	1.2%	Bluewin	CH	Zurich	Zurich
80.75.192.0/20	4.1K	0.6%	Bluewin	CH	—	—
80.94.144.0/20	4.1K	0.1%	Bluewin	CH	—	—
138.187.144.0/20	4.1K	15.6%	Bluewin	CH	—	—
138.188.176.0/20	4.1K	2.2%	Bluewin	CH	—	—
161.78.0.0/20	4.1K	0.1%	Bluewin	CH	Saint Gallen	Widnau
178.174.64.0/20	4.1K	99.1%	Bluewin	CH	Lucerne	Oberkirch
178.199.64.0/20	4.1K	99.7%	Bluewin	CH	Zurich	Horgen
178.238.160.0/20	4.1K	97.8%	Bluewin	CH	Zurich	Zurich
193.5.224.0/20	4.1K	49.8%	Bluewin	CH	Zurich	Zurich
193.222.160.0/20	4.1K	0.1%	Bluewin	CH	—	—
193.223.16.0/20	4.1K	0.0%	Bluewin	CH	—	—
193.246.32.0/20	4.1K	3.6%	Bluewin	CH	—	—
194.38.208.0/20	4.1K	0.2%	Bluewin	CH	—	—
194.209.96.0/20	4.1K	4.4%	Bluewin	CH	Zurich	Zurich
194.209.128.0/20	4.1K	5.2%	Bluewin	CH	Aargau	Rupperswil
195.65.48.0/20	4.1K	3.5%	Bluewin	CH	Schaffhausen	Schaffhausen
195.65.64.0/20	4.1K	1.6%	Bluewin	CH	Bern	Langenthal
195.65.112.0/20	4.1K	0.9%	Bluewin	CH	Geneva	Geneva
195.65.144.0/20	4.1K	1.4%	Bluewin	CH	Zurich	Zurich
195.144.48.0/20	4.1K	8.8%	Bluewin	CH	Bern	Wabern
212.243.16.0/20	4.1K	6.9%	Bluewin	CH	Bern	Wiler bei Utzenstorf
212.243.80.0/20	4.1K	9.4%	Bluewin	CH	Zurich	Zurich
212.243.96.0/20	4.1K	8.9%	Bluewin	CH	Zurich	Zurich
212.243.144.0/20	4.1K	21.4%	Bluewin	CH	Zurich	Zurich
212.243.160.0/20	4.1K	6.4%	Bluewin	CH	Nidwalden	Dallenwil
217.11.32.0/20	4.1K	99.8%	Bluewin	CH	Zurich	Zurich
217.192.0.0/20	4.1K	3.1%	Bluewin	CH	Zurich	Volketswil / Volketswil (Dorf)
217.192.64.0/20	4.1K	0.3%	Bluewin	CH	Lucerne	Lucerne

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3303 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
193.135.3.0/24	23,030	2026-11-12 01:31:54
193.135.133.0/24	22,331	2026-11-12 01:31:54
194.147.55.0/24	18,535	2026-11-11 22:36:34
194.147.54.0/24	18,473	2026-11-11 22:36:34
194.147.53.0/24	18,465	2026-11-11 22:36:34
91.206.11.0/24	18,343	2026-11-11 22:36:36
194.147.52.0/24	18,275	2026-11-11 22:36:34
194.59.152.0/24	18,262	2026-11-11 22:36:34
194.59.153.0/24	18,204	2026-11-11 22:36:34
192.102.95.0/24	18,023	2026-11-11 22:36:34
138.187.128.0/18	17,697	2026-11-12 01:57:27
193.222.59.0/24	17,151	2026-11-11 22:36:37
91.212.91.0/24	16,990	2026-11-11 22:36:37
91.209.158.0/24	16,297	2026-11-11 22:36:35
193.8.140.0/23	15,845	2026-11-11 22:36:34
184.86.80.0/22	15,730	2026-11-12 01:31:54
193.247.41.0/24	15,513	2026-11-12 01:31:54
194.147.52.0/22	15,296	2026-11-11 22:36:34
194.48.215.0/24	15,212	2026-11-11 22:36:34
136.238.14.0/24	15,114	2026-11-11 22:36:34
193.8.140.0/24	15,094	2026-11-11 22:36:34
193.8.141.0/24	15,088	2026-11-11 22:36:34
193.247.42.0/24	15,060	2026-11-12 01:31:54
193.135.136.0/24	15,029	2026-11-12 01:31:54
193.135.142.0/23	15,009	2026-11-12 01:31:54
193.247.212.0/24	14,984	2026-11-12 01:31:54
193.247.250.0/24	14,927	2026-11-12 01:31:54
193.135.140.0/24	14,913	2026-11-12 01:31:54
193.135.26.0/23	14,780	2026-11-12 01:31:54
193.134.255.0/24	14,778	2026-11-12 01:31:54
194.9.45.0/24	14,703	2026-11-11 21:34:27
91.216.229.0/24	14,698	2026-11-12 01:11:37
193.247.193.0/24	14,698	2026-11-12 01:31:54
193.5.6.0/23	14,609	2026-11-12 01:31:54
193.134.32.0/22	14,528	2026-11-11 22:36:34
193.8.128.0/23	14,482	2026-11-11 22:36:34
195.62.86.0/23	14,452	2026-11-11 21:34:30
193.5.29.0/24	14,180	2026-11-12 01:31:54
194.11.144.0/21	14,149	2026-11-12 01:11:37
193.135.148.0/24	14,000	2026-11-12 01:31:54
91.220.99.0/24	14,000	2026-09-14 10:07:26
185.176.236.0/22	13,991	2026-09-14 10:07:26
193.200.5.0/24	13,865	2026-11-11 21:34:26
185.210.0.0/23	13,825	2026-11-11 23:31:15
193.247.168.0/21	13,610	2026-11-12 01:11:37
91.212.117.0/24	13,594	2026-11-11 22:36:34
193.135.143.0/24	13,559	2026-11-12 01:31:54
194.11.158.0/23	13,550	2026-11-11 21:34:27
193.246.57.0/24	13,541	2026-11-12 01:11:37
195.176.192.0/19	13,517	2026-11-12 01:11:37

Showing top 50 of 361 announced prefixes by sample volume.

Frequently Asked Questions

What is AS3303?

AS3303 is an Autonomous System Number assigned to Bluewin. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS3303 announce?

AS3303 announces 3.49M IPv4 addresses distributed across 415 routed CIDR prefixes. The network is registered in Switzerland.

Who operates AS3303?

AS3303 is operated by Bluewin. The organization is based in Switzerland. You can view all IP ranges and related ASNs on the organization page.

What country is AS3303 registered in?

AS3303 is registered in Switzerland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-12 02:09:05 UTC