$ query “AS25818” --type=asn → 1 result(s)
AS25818 · CMCNETWORKS
cmcnetworks
AS25818 is operated by cmcnetworks and serves as a mid-size transit provider, registered in South Africa. The system announces a respectable 33 792 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in South Africa, with additional presence in Kenya and Ghana, and smaller footprints in 13 additional countries. This AS's prefix announcements have been recently modified.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #72 by Reach — Top 100 by customer cone size
- #7 in South Africa — Top 10 by reach within country
Basic Information
- Country
- 🇿🇦 South Africa
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- May 01, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 52 / 12
- IPv6 Prefixes (raw / aggregated)
- 6 / 1
- IPv4 Addresses
- 33 792
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇿🇦 South Africa (61 440 IPs), 🇰🇪 Kenya (4 656 IPs), 🇬🇭 Ghana (512 IPs) and 13 more
- Prefix Changed
- May 01, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 24 upstreams providing transit
- Peers
- 190 networks exchanging traffic without transit
- Downstream Customers
- 7 downstreams buying transit
- Unclassified
- 3 unclassified BGP neighbors
- Degree
- 224 unique BGP neighbors
- Reach
- 48 805 networks in customer cone
Upstream Providers (24)
Prefix Lists
IPv4 Prefixes (52 total)
- 41.202.32.0/19 (8 192 addresses (/19 prefix))
- 69.67.32.0/20 (4 096 addresses (/20 prefix))
- 102.64.96.0/20 (4 096 addresses (/20 prefix))
- 102.177.112.0/20 (4 096 addresses (/20 prefix))
- 196.1.144.0/20 (4 096 addresses (/20 prefix))
- 196.32.8.0/21 (2 048 addresses (/21 prefix))
- 197.231.160.0/21 (2 048 addresses (/21 prefix))
- 45.150.116.0/22 (1 024 addresses (/22 prefix))
- 87.101.4.0/22 (1 024 addresses (/22 prefix))
- 158.173.68.0/22 (1 024 addresses (/22 prefix))
- 158.173.172.0/22 (1 024 addresses (/22 prefix))
- 217.19.16.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (6 total)
- 2001:4210::/32