AS8821 TELEZUG WWZ Telekom AG

TELEZUG WWZ Telekom AG · registered in Switzerland

IPv4 addresses108,5449 prefixes · 0.003% of announced IPv4

Rank in Switzerland#20largest network in CH by IPv4 space, of 741 · 0.74% of CH

Rank worldwide#1,806of 79,396 networks with IPv4

IPv616 x /32 (1,048,578 x /48)4 prefixes

CountrySwitzerland783 ASNs registered there

Open AS8821 in ASN lookup Look up an IP in this network (62.171.0.1) All networks in Switzerland

IPv4 prefixes

All 9 prefixes, in address order.

62.171.0.0/17
77.245.176.0/20
82.136.64.0/18
151.248.128.0/17
158.181.96.0/19
185.42.244.0/22
185.244.112.0/22
212.4.64.0/19
217.194.48.0/20

IPv6 prefixes

All 4 prefixes.

2a01:760::/29
2a01:8b80::/29
2a03:62a0:4101::/48
2a0d:7a00:4101::/48

Similar-sized networks in Switzerland

ASNNameIPv4 addresses

AS13030#17 INIT7 Init7 (Switzerland) Ltd.118,272

AS6772#18 IMPNET-AS ImproWare AG115,456

AS29222#19 Infomaniak-AS Infomaniak Network SA110,592

AS20868#21 ABB ABB Information Systems Ltd102,400

AS9044#22 SOLNET BSE Software GmbH101,376

AS15623#23 CYBERLINK Cyberlink AG100,096

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources