$ query “AS8821” --type=asn → 1 result(s)
AS8821 · TELEZUG
WWZ Telekom AG
AS8821 is owned by WWZ Telekom AG and is a residential access provider, based in Switzerland. The system announces a solid 108 544 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Switzerland.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇨🇭 Switzerland
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- July 25, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 9 / 9
- IPv6 Prefixes (raw / aggregated)
- 3 / 3
- IPv4 Addresses
- 108 544
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇭 Switzerland (217 088 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 108 544 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 124 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Unclassified
- 5 unclassified BGP neighbors
- Degree
- 137 unique BGP neighbors
- Reach
- 7 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (9 total)
- 62.171.0.0/17 (32 768 addresses (/17 prefix))
- 151.248.128.0/17 (32 768 addresses (/17 prefix))
- 82.136.64.0/18 (16 384 addresses (/18 prefix))
- 158.181.96.0/19 (8 192 addresses (/19 prefix))
- 212.4.64.0/19 (8 192 addresses (/19 prefix))
- 77.245.176.0/20 (4 096 addresses (/20 prefix))
- 217.194.48.0/20 (4 096 addresses (/20 prefix))
- 185.42.244.0/22 (1 024 addresses (/22 prefix))
- 185.244.112.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (3 total)
- 2a01:760::/29
- 2a01:8b80::/29
- 2a03:62a0:4101::/48