AS197974Vladislav Nitsenko
EstoniaRegistryRIPE NCCAs of 26th September 2026, AS197974 (Vladislav Nitsenko), a network registered in Estonia with RIPE NCC, originates 4 IPv4 prefixes covering 1k addresses. By IPv4 address space that makes it the 35,810th-largest of the 79,516 networks we see originating IPv4, and the 66th-largest of 172 in Estonia. It is seen behind 1 upstream network, most often AS137409 (GSL Networks Pty LTD). 50% of its announcements have a valid RPKI ROA; 2 are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS197974 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS197974 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
3
adjacent networks
- Upstreams
- 133%
- Peers
- 267%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS137409GSL Networks Pty LTD |  AU | Peer | 322 | 81 |
Prefixes
The largest blocks AS197974 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 68.164.58.0/24 | 256 | 81/81 |
| 69.33.168.0/24 | 256 | 81/81 |
| 94.118.118.0/24 | 256 | 80/81 |
| 94.118.152.0/24 | 256 | 80/81 |
Routing health
How AS197974's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.
RPKI origin validation
- Valid50.0%2
- Invalid50.0%2
- No ROA0.0%0
Propagation
- Globally propagated90% of full-feed peers or more100.0%4
- Partially propagated40% to 90%0.0%0
- Seen by few peersUnder 40%0.0%0
Prefix sizes
IPv4 — 4 prefixes
Recent changes
Announcements that started or stopped since 28th Aug 2026.
- Announced94.118.118.0/2426th Sept 2026
- Announced94.118.152.0/2426th Sept 2026
- Announced68.164.58.0/2425th Sept 2026
- Announced69.33.168.0/2425th Sept 2026
- Withdrawn104.234.159.0/2425th Sept 2026
- Withdrawn104.234.201.0/2425th Sept 2026
- Withdrawn104.234.203.0/2425th Sept 2026
- Withdrawn104.234.77.0/2425th Sept 2026
- Withdrawn45.150.52.0/2425th Sept 2026
- Withdrawn45.150.53.0/2425th Sept 2026
- Announced104.234.159.0/2424th Sept 2026
- Withdrawn94.118.69.0/2424th Sept 2026
11 announced and 8 withdrawn in all; the most recent are shown.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.