AS137991Lifeway Singapore Pte. Ltd.
SingaporeRegistryAPNICTypeCarrierAt a glance
IPv4 prefixes
10
IPv6 prefixes
1
IPv4 addresses
3.8k
IPv6 /64s
4.3B
Upstream graph
The networks AS137991 is seen behind, one and two hops out, drawn from real AS paths.
AS137991Toward the internet core
Networks observed one and two hops upstream of AS137991 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
79
adjacent networks
- Upstreams
- 2025%
- Peers
- 5772%
- Downstreams
- 23%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS6939Hurricane Electric LLC |  US | Peer | 2,206 | 104 |
| AS7473Singapore Telecommunications Ltd | SG | Peer | 701 | 70 |
| AS21859Zenlayer Inc | US | Peer | 414 | 27 |
| AS18106Viewqwest Pte Ltd | SG | Peer | 48 | 2 |
| AS32590Valve Corporation | US | Peer | 48 | 2 |
| AS132337Axclusive | SG | Peer | 48 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 48 | 2 |
| AS215859Hetzner Cloud - Singapore |  DE | Peer | 48 | 2 |
| AS24482SG.GS | SG | Peer | 48 | 2 |
| AS151326DCConnect Communication Pte. Ltd. | SG | Peer | 46 | 1 |
Prefixes
The largest blocks AS137991 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 103.119.148.0/22 | 1k | 80/80 |
| 203.1.22.0/23 | 512 | 80/80 |
| 203.10.100.0/23 | 512 | 80/80 |
| 45.121.188.0/24 | 256 | 80/80 |
| 103.119.148.0/24 | 256 | 80/80 |
| 103.119.149.0/24 | 256 | 80/80 |
| 103.119.150.0/24 | 256 | 80/80 |
| 103.119.151.0/24 | 256 | 80/80 |
| 203.1.22.0/24 | 256 | 80/80 |
| 203.10.100.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.