AS37054Telecom Malagasy
MadagascarRegistryAFRINICTypeEyeballAs of 27th September 2026, AS37054 (Telecom Malagasy), an access network registered in Madagascar with AFRINIC, originates 103 IPv4 prefixes covering 1.2M addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 408th-largest of the 79,523 networks we see originating IPv4, and the largest of 5 in Madagascar. It is seen behind 43 upstream networks, most often AS174 (Cogent Communications, LLC) and AS5511 (Orange S.A.), and in front of 6 downstream networks. 98% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 35% 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 AS37054 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS37054 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
215
adjacent networks
- Upstreams
- 4320%
- Peers
- 16677%
- Downstreams
- 63%
Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 43.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS174Cogent Communications, LLC |  US | Peer | 2,462 | 84 |
| AS5511Orange S.A. |  FR | Peer | 851 | 111 |
| AS6762Telecom Italia Sparkle (Seabone) |  IT | Peer | 736 | 138 |
| AS58453China Mobile International |  HK | Peer | 216 | 5 |
| AS30990Djibouti Telecom SA |  DJ | Peer | 214 | 81 |
| AS6939Hurricane Electric LLC | US | Peer | 87 | 8 |
| AS37497Network Platforms (PTY) LTD |  ZA | Peer | 85 | 2 |
| AS37100SEACOM Limited |  MU | Peer | 84 | 1 |
| AS7713PT Telkom Indonesia Tbk |  ID | Peer | 63 | 3 |
| AS37468Angola Cables |  AO | Peer | 51 | 1 |
Prefixes
All 104The largest blocks AS37054 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 102.16.0.0/14 | 262k | 80/81 |
| 102.20.0.0/15 | 131k | 80/81 |
| 102.16.0.0/17 | 32.8k | 46/81 |
| 102.16.128.0/17 | 32.8k | 46/81 |
| 102.17.0.0/17 | 32.8k | 25/81 |
| 102.17.128.0/17 | 32.8k | 46/81 |
| 102.18.0.0/17 | 32.8k | 46/81 |
| 102.18.128.0/17 | 32.8k | 46/81 |
| 102.19.128.0/17 | 32.8k | 46/81 |
| 102.20.0.0/17 | 32.8k | 46/81 |
Routing health
How AS37054'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
- Valid98.1%102
- Invalid0.0%0
- No ROA1.9%2
Propagation
- Globally propagated90% of full-feed peers or more34.6%36
- Partially propagated40% to 90%15.4%16
- Seen by few peersUnder 40%50.0%52
Prefix sizes
IPv4 — 103 prefixes
IPv6 — 1 prefixes
- /324.3B × /64100.0%1
Recent changes
Announcements that started or stopped since 28th Aug 2026.
- Announced102.16.74.0/2422nd Sept 2026
- Withdrawn102.16.114.0/2321st Sept 2026
- Withdrawn102.16.12.0/2421st Sept 2026
- Withdrawn102.16.14.0/2421st Sept 2026
- Withdrawn102.16.170.0/2421st Sept 2026
- Withdrawn102.16.171.0/2421st Sept 2026
- Withdrawn102.16.172.0/2421st Sept 2026
- Withdrawn102.16.195.0/2421st Sept 2026
- Withdrawn102.16.196.0/2321st Sept 2026
- Withdrawn102.16.239.0/2421st Sept 2026
- Withdrawn102.16.240.0/2221st Sept 2026
- Withdrawn102.16.244.0/2321st Sept 2026
1 announced and 88 withdrawn in all; the most recent are shown.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.