$ query “AS8447” --type=asn → 1 result(s)

AS8447 · A1TELEKOM-AT

A1 Telekom Austria AG

AS8447 is operated by A1 Telekom Austria AG and serves as a major transit provider, established in Austria in 2002. The system announces an impressive 2.8 million IPv4 addresses, including a /14, and supports IPv6. Most of its address space is geolocated to Austria, with additional presence in Australia and Liechtenstein, and smaller footprints in 4 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #88 by Reach — Top 100 by customer cone size
  • #1 in Austria — Top 10 by reach within country

Basic Information

Country
🇦🇹 Austria
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 20, 2002
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
110 / 102
IPv6 Prefixes (raw / aggregated)
9 / 9
IPv4 Addresses
2 777 344
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇦🇹 Austria (5 413 632 IPs), 🇦🇺 Australia (9 472 IPs), 🇱🇮 Liechtenstein (768 IPs) and 4 more
Prefix Changed
March 28, 2026

Reputation

Reputation
Good — 22 flagged IPs out of 2 777 344 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
167 networks exchanging traffic without transit
Downstream Customers
128 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
305 unique BGP neighbors
Reach
37 135 networks in customer cone

Upstream Providers (4)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (110 total)

  • 91.112.0.0/14 (262 144 addresses (/14 prefix))
  • 178.188.0.0/14 (262 144 addresses (/14 prefix))
  • 188.20.0.0/14 (262 144 addresses (/14 prefix))
  • 80.120.0.0/14 (262 144 addresses (/14 prefix))
  • 93.82.0.0/15 (131 072 addresses (/15 prefix))
  • 46.74.0.0/15 (131 072 addresses (/15 prefix))
  • 46.206.0.0/15 (131 072 addresses (/15 prefix))
  • 62.46.0.0/15 (131 072 addresses (/15 prefix))
  • 193.80.0.0/15 (131 072 addresses (/15 prefix))
  • 88.116.0.0/15 (131 072 addresses (/15 prefix))
  • 188.45.0.0/16 (65 536 addresses (/16 prefix))
  • 194.166.0.0/16 (65 536 addresses (/16 prefix))
  • 93.111.0.0/16 (65 536 addresses (/16 prefix))
  • 194.118.0.0/16 (65 536 addresses (/16 prefix))
  • 193.83.0.0/16 (65 536 addresses (/16 prefix))
  • 194.96.0.0/16 (65 536 addresses (/16 prefix))
  • 193.154.0.0/16 (65 536 addresses (/16 prefix))
  • 176.66.128.0/17 (32 768 addresses (/17 prefix))
  • 92.248.0.0/17 (32 768 addresses (/17 prefix))
  • 212.183.0.0/17 (32 768 addresses (/17 prefix))
  • 213.33.0.0/17 (32 768 addresses (/17 prefix))
  • 213.225.0.0/18 (16 384 addresses (/18 prefix))
  • 212.197.128.0/18 (16 384 addresses (/18 prefix))
  • 89.144.192.0/18 (16 384 addresses (/18 prefix))
  • 213.240.64.0/18 (16 384 addresses (/18 prefix))
  • 176.66.0.0/18 (16 384 addresses (/18 prefix))
  • 195.3.64.0/18 (16 384 addresses (/18 prefix))
  • 81.5.192.0/18 (16 384 addresses (/18 prefix))
  • 212.16.32.0/19 (8 192 addresses (/19 prefix))
  • 213.157.128.0/19 (8 192 addresses (/19 prefix))
  • 62.116.32.0/19 (8 192 addresses (/19 prefix))
  • 195.230.32.0/19 (8 192 addresses (/19 prefix))
  • 195.170.64.0/19 (8 192 addresses (/19 prefix))
  • 212.88.0.0/19 (8 192 addresses (/19 prefix))
  • 212.88.160.0/19 (8 192 addresses (/19 prefix))
  • 212.124.128.0/19 (8 192 addresses (/19 prefix))
  • 195.82.224.0/19 (8 192 addresses (/19 prefix))
  • 195.64.0.0/19 (8 192 addresses (/19 prefix))
  • 213.147.160.0/19 (8 192 addresses (/19 prefix))
  • 192.164.96.0/19 (8 192 addresses (/19 prefix))
  • 85.90.128.0/19 (8 192 addresses (/19 prefix))
  • 84.20.160.0/19 (8 192 addresses (/19 prefix))
  • 192.164.0.0/19 (8 192 addresses (/19 prefix))
  • 194.152.160.0/19 (8 192 addresses (/19 prefix))
  • 194.152.96.0/19 (8 192 addresses (/19 prefix))
  • 80.75.32.0/19 (8 192 addresses (/19 prefix))
  • 212.60.160.0/19 (8 192 addresses (/19 prefix))
  • 192.164.224.0/19 (8 192 addresses (/19 prefix))
  • 192.164.128.0/19 (8 192 addresses (/19 prefix))
  • 80.240.224.0/20 (4 096 addresses (/20 prefix))
  • and 52 more

IPv6 Prefixes (9 total)

  • 2001:850::/29
  • 2001:870::/29
  • 2001:890::/29
  • 2001:4bb8::/29
  • 2a14:2c0::/29
  • 2001:678:e90::/48
  • 2001:67c:5fc::/48
  • 2001:67c:2604::/48
  • 2001:67c:2aa4::/48