AS8447 A1TELEKOM-AT A1 Telekom Austria AG

A1TELEKOM-AT A1 Telekom Austria AG · registered in Austria

IPv4 addresses2,743,808261 prefixes · 0.088% of announced IPv4

Rank in Austria#1largest network in AT by IPv4 space, of 619 · 26.54% of AT

Rank worldwide#157of 79,396 networks with IPv4

IPv639 x /32 (2,605,060 x /48)13 prefixes

CountryAustria646 ASNs registered there

Open AS8447 in ASN lookup Look up an IP in this network (45.132.35.1) All networks in Austria

IPv4 prefixes

All 261 prefixes, in address order.

45.132.35.0/24
46.74.0.0/15
46.206.0.0/15
62.46.0.0/15
62.116.32.0/19
64.235.148.0/23
65.86.33.0/24
65.86.34.0/23
79.132.66.0/23
80.75.32.0/23
80.75.34.0/24
80.75.35.0/24
80.75.36.0/22
80.75.40.0/21
80.75.48.0/22
80.75.56.0/21
80.89.96.0/20
80.120.0.0/21
80.120.9.0/24
80.120.10.0/23
80.120.14.0/23
80.120.16.0/23
80.120.19.0/24
80.120.20.0/22
80.120.24.0/21
80.120.32.0/20
80.120.48.0/21
80.120.56.0/23
80.120.59.0/24
80.120.60.0/22
80.120.64.0/18
80.120.128.0/20
80.120.144.0/24
80.120.146.0/23
80.120.148.0/22
80.120.152.0/21
80.120.160.0/19
80.120.192.0/18
80.121.0.0/17
80.121.128.0/18
80.121.196.0/22
80.121.200.0/22
80.121.204.0/24
80.121.206.0/23
80.121.208.0/20
80.121.224.0/19
80.122.0.0/15
80.240.224.0/20
81.5.192.0/18
83.148.156.0/22
84.20.160.0/20
84.20.176.0/21
84.20.188.0/22
85.90.128.0/19
85.189.204.0/22
86.53.152.0/22
87.86.8.0/22
87.86.82.0/23
87.86.84.0/23
88.116.0.0/17
88.116.128.0/18
88.116.192.0/20
88.116.208.0/21
88.116.216.0/23
88.116.218.0/23
88.116.220.0/22
88.116.224.0/19
88.117.0.0/16
89.46.122.0/24
89.46.124.0/24
89.144.192.0/18
91.112.0.0/14
91.201.171.0/24
91.206.192.0/23
91.209.219.0/24
91.213.132.0/24
91.230.142.0/24
92.248.0.0/17
93.82.0.0/15
93.111.0.0/16
136.238.16.0/24
149.154.102.0/24
157.247.0.0/23
157.247.128.0/24
172.120.142.0/23
172.120.145.0/24
172.120.170.0/24
176.66.0.0/18
176.66.128.0/17
178.188.0.0/14
185.157.250.0/23
185.202.151.0/24
188.20.0.0/16
188.21.0.0/22
188.21.4.0/23
188.21.7.0/24
188.21.8.0/21
188.21.16.0/20
188.21.32.0/19
188.21.64.0/18
188.21.128.0/17
188.22.0.0/15
188.45.0.0/17
188.45.128.0/18
192.92.138.0/24
192.102.17.0/24
192.164.0.0/19
192.164.32.0/22
192.164.39.0/24
192.164.40.0/21
192.164.48.0/20
192.164.64.0/21
192.164.80.0/20
192.164.96.0/19
192.164.128.0/19
192.164.208.0/20
192.164.224.0/19
193.46.4.0/22
193.46.8.0/22
193.80.0.0/20
193.80.16.0/22
193.80.20.0/23
193.80.23.0/24
193.80.24.0/21
193.80.32.0/21
193.80.40.0/23
193.80.43.0/24
193.80.44.0/22
193.80.48.0/20
193.80.64.0/18
193.80.128.0/22
193.80.164.0/22
193.80.168.0/21
193.80.176.0/21
193.80.184.0/22
193.80.188.0/23
193.80.190.0/24
193.80.192.0/18
193.81.0.0/24
193.81.2.0/23
193.81.4.0/22
193.81.8.0/21
193.81.16.0/20
193.81.32.0/19
193.81.64.0/18
193.81.128.0/18
193.81.192.0/19
193.81.224.0/20
193.81.240.0/22
193.81.244.0/23
193.81.247.0/24
193.81.248.0/21
193.83.0.0/17
193.83.128.0/18
193.83.192.0/21
193.83.200.0/22
193.83.205.0/24
193.83.206.0/23
193.83.208.0/20
193.83.224.0/19
193.149.217.0/24
193.154.0.0/17
193.154.128.0/20
193.154.160.0/19
193.154.192.0/18
193.160.98.0/23
193.187.212.0/22
193.187.216.0/21
193.187.224.0/20
193.187.240.0/22
194.6.108.0/22
194.30.191.0/24
194.48.88.0/22
194.48.108.0/22
194.48.112.0/20
194.48.128.0/21
194.48.136.0/22
194.48.156.0/22
194.48.160.0/23
194.48.162.0/24
194.48.163.0/24
194.48.173.0/24
194.96.0.0/16
194.107.84.0/22
194.107.88.0/22
194.107.152.0/21
194.118.0.0/16
194.152.96.0/19
194.152.160.0/19
194.166.0.0/16
195.3.64.0/19
195.3.96.0/21
195.3.104.0/22
195.3.110.0/23
195.3.112.0/20
195.64.0.0/19
195.72.176.0/22
195.82.224.0/19
195.88.48.0/23
195.162.1.0/24
195.170.64.0/19
195.230.32.0/19
209.101.148.0/24
212.16.32.0/23
212.16.36.0/22
212.16.40.0/21
212.16.48.0/20
212.60.160.0/19
212.88.0.0/19
212.88.160.0/19
212.124.128.0/19
212.183.0.0/22
212.183.6.0/23
212.183.8.0/21
212.183.16.0/22
212.183.20.0/23
212.183.23.0/24
212.183.24.0/23
212.183.26.0/24
212.183.29.0/24
212.183.30.0/23
212.183.32.0/19
212.183.64.0/20
212.183.80.0/21
212.183.89.0/24
212.183.90.0/23
212.183.92.0/22
212.183.96.0/19
212.197.128.0/18
213.33.0.0/21
213.33.9.0/24
213.33.10.0/23
213.33.12.0/22
213.33.16.0/20
213.33.32.0/20
213.33.48.0/24
213.33.50.0/23
213.33.52.0/24
213.33.54.0/23
213.33.56.0/21
213.33.64.0/21
213.33.72.0/22
213.33.76.0/23
213.33.78.0/24
213.33.80.0/20
213.33.96.0/22
213.33.101.0/24
213.33.102.0/23
213.33.104.0/21
213.33.112.0/22
213.33.117.0/24
213.33.119.0/24
213.33.120.0/21
213.147.160.0/19
213.157.128.0/22
213.157.132.0/24
213.157.136.0/21
213.157.144.0/20
213.225.0.0/18
213.240.64.0/18
217.149.160.0/20

IPv6 prefixes

All 13 prefixes.

2001:678:e90::/48
2001:67c:5fc::/48
2001:67c:2604::/48
2001:67c:2aa4::/48
2001:850::/29
2001:870::/29
2001:890::/33
2001:890:8000::/34
2001:891::/32
2001:892::/31
2001:894::/30
2001:4bb8::/29
2a14:2c0::/29

Similar-sized networks in Austria

ASNNameIPv4 addresses

AS8412#2 TMA T-Mobile Austria GmbH1,554,176

AS25255#3 H3G-Austria-AS Hutchison Drei Austria GmbH575,232

AS8437#4 UTA-AS Hutchison Drei Austria GmbH550,399

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