AS55066eStruxture Data Centers Inc.
CanadaRegistryARINAs of 25th October 2026, AS55066 (eStruxture Data Centers Inc.), a network registered in Canada with ARIN, originates 19 IPv4 prefixes covering 9.5k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 10,828th-largest of the 79,675 networks we see originating IPv4, and the 298th-largest of 1,589 in Canada. It is seen behind 4 upstream networks, most often AS174 (Cogent Communications, LLC) and AS1299 (Arelion (fka. Telia Carrier)). 15% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 90% of its routes reach at least 90% of full-feed peers, and 2 prefixes are also originated by another network.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS55066 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS55066 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
11
adjacent networks
- Upstreams
- 436%
- Peers
- 764%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS174Cogent Communications, LLC |  US | Peer | 1,036 | 94 |
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 288 | 81 |
| AS6939Hurricane Electric LLC | US | Peer | 38 | 14 |
| AS22652Videotron Ltee | CA | Peer | 7 | 1 |
Prefixes
The largest blocks AS55066 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 38.186.48.0/20 | 4.1k | 75/76 |
| 208.82.120.0/22 | 1k | 75/76 |
| 38.87.86.0/24 | 256 | 75/76 |
| 38.96.152.0/24 | 256 | 75/76 |
| 38.128.9.0/24 | 256 | 16/76 |
| 38.128.11.0/24 | 256 | 16/76 |
| 104.194.4.0/24 | 256 | 75/76 |
| 154.9.114.0/24 | 256 | 75/76 |
| 154.9.115.0/24 | 256 | 75/76 |
| 154.21.56.0/24 | 256 | 75/76 |
Routing health
How AS55066'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
- Valid15.0%3
- Invalid0.0%0
- No ROA85.0%17
Propagation
- Globally propagated90% of full-feed peers or more90.0%18
- Partially propagated40% to 90%0.0%0
- Seen by few peersUnder 40%10.0%2
Prefix sizes
IPv4 — 19 prefixes
IPv6 — 1 prefixes
- /4865.5k × /64100.0%1
Recent changes
Announcements that started or stopped since 25th Sept 2026.
- Announced208.82.120.0/2216th Oct 2026
- Withdrawn208.82.120.0/2416th Oct 2026
- Withdrawn208.82.122.0/2316th Oct 2026
- Withdrawn154.51.10.0/2415th Oct 2026
- Withdrawn154.51.11.0/2415th Oct 2026
- Withdrawn38.76.248.0/2415th Oct 2026
- Withdrawn38.76.249.0/2415th Oct 2026
- Withdrawn38.96.193.0/2415th Oct 2026
- Withdrawn38.97.115.0/2415th Oct 2026
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.