AS36874Cybersmart
As of 26th September 2026, AS36874 (Cybersmart), an access network registered in South Africa with AFRINIC, originates 17 IPv4 prefixes covering 353k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 874th-largest of the 79,516 networks we see originating IPv4, and the 16th-largest of 653 in South Africa. It is seen behind 44 upstream networks, most often AS2914 (NTT America, Inc.) and AS6762 (Telecom Italia Sparkle (Seabone)), and in front of 24 downstream networks. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 33% 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 AS36874 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS36874 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
235
adjacent networks
- Upstreams
- 4419%
- Peers
- 16771%
- Downstreams
- 2410%
Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 44.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS2914NTT America, Inc. | Peer | 1,599 | 80 | |
| AS6762Telecom Italia Sparkle (Seabone) | Peer | 493 | 72 | |
| AS25091IP-Max SA | Peer | 180 | 5 | |
| AS38880Micron21 Datacentre Pty Ltd | Peer | 175 | 2 | |
| AS18106Viewqwest Pte Ltd | Peer | 167 | 4 | |
| AS35280F5 Networks SARL | Peer | 166 | 4 | |
| AS24482SG.GS | Peer | 124 | 3 | |
| AS14537Continent 8 LLC | Peer | 111 | 3 | |
| AS8455atom86 BV | Peer | 107 | 2 | |
| AS39122Blacknight Internet Solutions Limited | Peer | 106 | 2 |
Prefixes
The largest blocks AS36874 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 41.177.0.0/16 | 65.5k | 81/81 |
| 105.233.0.0/16 | 65.5k | 81/81 |
| 41.177.0.0/17 | 32.8k | 41/81 |
| 41.177.128.0/17 | 32.8k | 41/81 |
| 105.233.0.0/17 | 32.8k | 41/81 |
| 105.233.128.0/17 | 32.8k | 41/81 |
| 41.177.0.0/18 | 16.4k | 7/81 |
| 41.177.64.0/18 | 16.4k | 7/81 |
| 41.177.128.0/18 | 16.4k | 7/81 |
| 41.177.192.0/18 | 16.4k | 7/81 |
Routing health
How AS36874'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
- Valid100.0%18
- Invalid0.0%0
- No ROA0.0%0
Propagation
- Globally propagated90% of full-feed peers or more33.3%6
- Partially propagated40% to 90%44.4%8
- Seen by few peersUnder 40%22.2%4
Prefix sizes
IPv4 — 17 prefixes
IPv6 — 1 prefixes
- /2868.7B × /64100.0%1
Recent changes
Announcements that started or stopped since 28th Aug 2026.
No announcement by AS36874 started or stopped in this period.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.