zsttk.net
One organisation, resolved across 3 separately-registered clusters
linked by shared operating domain zsttk.net — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-09-27
3 clusters ·
2,769 netblocks ·
2,461,627 IPv4 addresses ·
152 IPv6 prefixes
IPv6 ranges (152)
- 2a00:1e98::/29
- 2a02:dcc0::/29
- 2a02:e840::/29
- 2a02:f800::/29
- 2a02:fd40::/29
- 2a03:6080::/29
- 2a05:3c40::/29
- 2a06:3d40::/29
- 2a06:e0c0::/29
- 2a06:e4c0::/29
- 2a07:1080::/29
- 2a07:3080::/29
- 2a09:d2c0::/29
- 2a0a:7e80::/29
- 2a0b:840::/29
- 2a0b:97c0::/29
- 2a0b:ad00::/29
- 2a0d:6540::/29
- 2a0d:a1c0::/29
- 2a0d:b600::/29
- 2a0d:bd80::/29
- 2a0d:d200::/29
- 2a10:540::/29
- 2a11:54c0::/29
- 2a11:87c0::/29
- 2a11:8e40::/29
- 2a11:d640::/29
- 2a13:f3c0::/29
- 2a14:6e80::/29
- 2a14:7e40::/29
- 2a0a:a40::/30
- 2a0d:bd80::/30
- 2a00:1138::/32
- 2a00:1948::/32
- 2a00:1e48::/32
- 2a00:1e98::/32
- 2a00:4200::/32
- 2a00:4500::/32
- 2a00:5820::/32
- 2a00:58e0::/32
- 2a00:5d00::/32
- 2a00:8500::/32
- 2a00:88e0::/32
- 2a00:ac80::/32
- 2a00:ad60::/32
- 2a00:dd20::/32
- 2a00:de80::/32
- 2a01:4ea0::/32
- 2a01:5c80::/32
- 2a01:84c0::/32
- 2a01:b580::/32
- 2a02:1378::/32
- 2a02:1750::/32
- 2a02:2560::/32
- 2a02:2748::/32
- 2a02:28d8::/32
- 2a02:2a18::/32
- 2a02:530::/32
- 2a02:618::/32
- 2a02:63c0::/32
- 2a02:7880::/32
- 2a02:7e8::/32
- 2a02:9d8::/32
- 2a02:e840::/32
- 2a02:e841::/32
- 2a02:e842::/32
- 2a03:3700::/32
- 2a03:3a80::/32
- 2a03:5600::/32
- 2a03:5a60::/32
- 2a03:5b80::/32
- 2a03:600::/32
- 2a03:6080::/32
- 2a03:6082::/32
- 2a03:6084::/32
- 2a03:6086::/32
- 2a03:a400::/32
- 2a03:b1c0::/32
- 2a03:fec0::/32
- 2a06:e0c0::/32
- 2a06:e0c1::/32
- 2a09:d2c0::/32
- 2a0a:f940::/32
- 2a0b:980::/32
- 2a0c:9a00::/32
- 2a02:2748:8000::/33
- 2a02:2748::/33
- 2a02:28d8::/36
- 2a03:3700:1000::/36
- 2a03:3700:2000::/36
- 2a03:3700:3000::/36
- 2a03:3700:4000::/36
- 2a03:3700:5000::/36
- 2a03:3700::/36
- 2a03:6083:8000::/36
- 2a03:6083::/36
- 2a03:6083:c000::/36
- 2a00:1138:7300::/40
- 2a02:1750::/40
- 2a03:3700:1700::/40
- 2a03:6080:4::/46
- 2001:678:1024::/48
- 2001:678:bc8::/48
- 2001:678:c90::/48
- 2001:678:dbc::/48
- 2001:67c:100::/48
- 2001:67c:11fc::/48
- 2001:67c:1588::/48
- 2001:67c:1868::/48
- 2001:67c:18a4::/48
- 2001:67c:20::/48
- 2001:67c:2364::/48
- 2001:67c:25d0::/48
- 2001:67c:2d94::/48
- 2001:67c:4b4::/48
- 2001:67c:73c::/48
- 2001:67c:b2c::/48
- 2001:67c:e68::/48
- 2001:6d0:4006::/48
- 2001:7f8:c9::/48
- 2a00:1e98:1::/48
- 2a00:1e98:2::/48
- 2a02:2560:3::/48
- 2a02:2560:a1::/48
- 2a02:530:17::/48
- 2a02:530:18::/48
- 2a02:530:20::/48
- 2a02:530:21::/48
- 2a02:530:22::/48
- 2a02:530:28::/48
- 2a02:530:30::/48
- 2a02:530:32::/48
- 2a02:618:6::/48
- 2a02:618:7::/48
- 2a02:618:8::/48
- 2a02:618:9::/48
- 2a02:7880::/48
- 2a02:e840:1001::/48
- 2a02:e840:1002::/48
- 2a03:3700:1006::/48
- 2a03:3700:2200::/48
- 2a0a:7e80::/48
- 2a13:f3c0:2::/48
- 2a13:f3c0:4::/48
- 2a01:4f9:4a:530d::/64
- 2a01:7a0:2:15da::/64
- 2a01:7a7:2:1810::/64
- 2a01:7a7:2:2266::/64
- 2a01:7a7:2:40a5::/64
- 2a02:20ab:8010:111::/64
- 2a02:2978:8010:16::/64
- 2a03:6981:8010:67::/64
Member clusters
- Joint Stock Company TransTeleCom 1,684 netblocks
- Limited Liability Company "TTK-Svyaz" 1,367 netblocks
- ZSTTK-RTL-NET 110 netblocks