AS23767Agency for Science, Technology, And Research
SingaporeRegistryAPNICAt a glance
IPv4 prefixes
29
IPv6 prefixes
1
IPv4 addresses
9k
IPv6 /64s
65.5k
Upstream graph
The networks AS23767 is seen behind, one and two hops out, drawn from real AS paths.
AS23767Toward the internet core
Networks observed one and two hops upstream of AS23767 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
14
adjacent networks
- Upstreams
- 643%
- Peers
- 750%
- Downstreams
- 17%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS139883SPTEL PTE. LTD. | SG | Peer | 1,770 | 74 |
| AS23855Singapore Advanced Research and Education Network | SG | Peer | 188 | 38 |
| AS18106Viewqwest Pte Ltd | SG | Peer | 174 | 104 |
| AS134148SingAREN | SG | Peer | 134 | 65 |
| AS149446Firmus Grid |  AU | Peer | 71 | 71 |
| AS4637Telstra International Limited |  HK | Peer | 29 | 14 |
Prefixes
All 30The largest blocks AS23767 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 202.83.248.0/22 | 1k | 80/80 |
| 202.130.56.0/22 | 1k | 65/80 |
| 103.37.196.0/24 | 256 | 80/80 |
| 103.37.197.0/24 | 256 | 80/80 |
| 103.37.198.0/24 | 256 | 80/80 |
| 103.37.199.0/24 | 256 | 80/80 |
| 123.136.64.0/24 | 256 | 80/80 |
| 123.136.67.0/24 | 256 | 80/80 |
| 123.136.68.0/24 | 256 | 80/80 |
| 123.136.69.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.