asn.dev

Address space

AS8447 A1TELEKOM-AT A1 Telekom Austria AG

Residential RIPE Cable/DSL/ISP

IPv4 prefixes 265 2.74M addresses
IPv6 prefixes 13
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/14
/14: 2
2
/15
/15: 6
6
/16
/16: 6
6
/17
/17: 8
8
/18
/18: 18
18
/19
/19: 27
27
/20
/20: 28
28
/21
/21: 32
32
/22
/22: 46
46
/23
/23: 42
42
/24
/24: 50
50

A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

IPv6 prefix sizes

All IPv6
/29
/29: 4
4
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1
/33
/33: 1
1
/34
/34: 1
1
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
ATAustria278