$ query “AS25818” --type=asn → 1 result(s)
AS25818 — CMCNETWORKS
cmcnetworks
AS25818 is a mid-size transit provider operated by cmcnetworks, registered in South Africa. The network announces a respectable 33 792 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #79 by Reach — Top 100 by customer cone size
- #5 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
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 49 / 9
- IPv6 Prefixes (raw / aggregated)
- 5 / 1
- IPv4 Addresses
- 33 792
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇿🇦 ZA (16 IPs), 🇰🇪 KE (5 IPs), 🇬🇭 GH (1 IPs), 🇨🇲 CM, 🇿🇼 ZW, 🇲🇿 MZ, 🇧🇫 BF, 🇸🇬 SG, 🇪🇹 ET, 🇩🇪 DE, 🇨🇮 CI, 🇬🇧 GB, 🇳🇬 NG, 🇦🇪 AE and 2 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 33 792 total (0.00%)
Connectivity Summary
- Upstream Providers
- 25 upstream autonomous systems providing transit
- Peers
- 186 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 8 downstream autonomous systems buying transit
- Degree
- 221 unique BGP neighbors (providers + customers + peers)
- Reach
- 37 589 — customer cone size measuring network influence
- Degree Rank
- #589
- Reach Rank
- #79
- Country Rank
- #5
Upstream Providers (25)
Prefix Lists
IPv4 Prefixes (49 total)
- 41.202.32.0/19 (8 192 addresses)
- 69.67.32.0/20 (4 096 addresses)
- 102.64.96.0/20 (4 096 addresses)
- 102.177.112.0/20 (4 096 addresses)
- 154.91.208.0/20 (4 096 addresses)
- 196.1.144.0/20 (4 096 addresses)
- 196.32.8.0/21 (2 048 addresses)
- 197.231.160.0/21 (2 048 addresses)
- 154.91.204.0/22 (1 024 addresses)
IPv6 Prefixes (5 total)
- 2001:4210::/32