surfer.at
One organisation, resolved across 3 separately-registered clusters
linked by shared operating domain surfer.at — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-10-04
3 clusters ·
580 netblocks ·
1,561,912 IPv4 addresses ·
46 IPv6 prefixes
IPv6 ranges (46)
- 2a02:8380::/28
- 2001:4bc8::/29
- 2a02:8388::/29
- 2a02:8388::/30
- 2a02:838c::/30
- 2a02:8384::/31
- 2a00:e360::/32
- 2a02:8380::/32
- 2a02:8381::/32
- 2a02:8382::/32
- 2a02:8383::/32
- 2a02:8383::/33
- 2a02:8388:1000::/36
- 2a02:8388:2000::/36
- 2a02:8388:3000::/36
- 2a02:8388:4000::/36
- 2a02:8388:5000::/36
- 2a02:8388:6000::/36
- 2a02:8388:7000::/36
- 2a02:8388:8000::/36
- 2a02:8388:9000::/36
- 2a02:8388::/36
- 2a02:8388:a000::/36
- 2a02:8388:b000::/36
- 2a02:8388:c000::/36
- 2a02:8388:d000::/36
- 2a02:8388:e000::/36
- 2a02:8388:f000::/36
- 2a02:8389:1000::/36
- 2a02:8389:2000::/36
- 2a02:8389:3000::/36
- 2a02:8389:4000::/36
- 2a02:8389:5000::/36
- 2a02:8389::/36
- 2a02:8384:8200::/40
- 2a02:838a:2100::/40
- 2a02:838a:10::/44
- 2a02:838a:20::/44
- 2a02:838a:30::/44
- 2a02:838a:40::/44
- 2a02:838a::/44
- 2001:678:5a8::/48
- 2001:67c:211c::/48
- 2001:720:811::/48
- 2a02:8383:1d::/48
- 2a02:8387::/48
Member clusters
- T-Mobile Austria GmbH AT 299 netblocks
- ORG-iI1-RIPE AT 248 netblocks
- UPC AT 58 netblocks