Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 13 internet exchanges: LINX LON2, LINX LON1: Main, CINX: CINX Peering, JINX: JINX Peering, AMS-IX, NAPAfrica IX Johannesburg: Peering, DE-CIX Lisbon: DE-CIX Lisbon Peering LAN, NAPAfrica IX Cape Town, NAPAfrica IX Durban, KIXP - Nairobi: Peering LAN, …
AS16637 — global IP footprint
Cities where AS16637 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS16637 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 105.216.96.0/24 | 190,795 | 2026-09-08 15:58:30 |
| 105.209.232.0/24 | 190,576 | 2026-09-08 15:58:30 |
| 105.209.244.0/24 | 190,548 | 2026-09-08 15:58:30 |
| 105.216.248.0/24 | 187,917 | 2026-09-08 15:58:30 |
| 105.216.97.0/24 | 187,762 | 2026-09-08 15:58:30 |
| 105.209.236.0/24 | 187,726 | 2026-09-08 15:58:30 |
| 105.209.233.0/24 | 187,596 | 2026-09-08 15:58:30 |
| 105.209.189.0/24 | 187,536 | 2026-09-08 15:58:30 |
| 105.209.188.0/24 | 187,490 | 2026-09-08 15:58:30 |
| 105.216.249.0/24 | 182,875 | 2026-09-08 15:58:30 |
| 105.216.250.0/24 | 182,853 | 2026-09-08 15:58:30 |
| 105.216.251.0/24 | 182,799 | 2026-09-08 15:58:30 |
| 105.216.99.0/24 | 182,749 | 2026-09-08 15:58:30 |
| 105.216.98.0/24 | 182,749 | 2026-09-08 15:58:30 |
| 105.209.237.0/24 | 182,721 | 2026-09-08 15:58:30 |
| 105.209.239.0/24 | 182,713 | 2026-09-08 15:58:30 |
| 105.209.234.0/24 | 182,664 | 2026-09-08 15:58:30 |
| 105.209.238.0/24 | 182,654 | 2026-09-08 15:58:30 |
| 105.209.235.0/24 | 182,654 | 2026-09-08 15:58:30 |
| 105.209.191.0/24 | 182,584 | 2026-09-08 15:58:30 |
| 105.209.190.0/24 | 182,573 | 2026-09-08 15:58:30 |
| 105.212.100.0/22 | 181,529 | 2026-09-08 15:58:30 |
| 105.177.33.0/24 | 101,153 | 2026-09-08 15:58:30 |
| 105.177.32.0/24 | 101,121 | 2026-09-08 15:58:30 |
| 105.208.40.0/21 | 91,794 | 2026-09-08 15:59:21 |
| 105.212.72.0/21 | 90,986 | 2026-09-08 15:59:10 |
| 105.209.253.0/24 | 90,253 | 2026-09-08 15:59:21 |
| 105.209.33.0/24 | 88,596 | 2026-09-08 15:59:10 |
| 105.209.128.0/19 | 88,514 | 2026-09-08 15:59:15 |
| 105.208.240.0/20 | 88,478 | 2026-09-08 15:59:15 |
| 105.209.166.0/24 | 88,404 | 2026-09-08 15:59:10 |
| 105.212.48.0/20 | 88,258 | 2026-09-08 15:59:10 |
| 105.209.112.0/21 | 88,228 | 2026-09-08 15:59:21 |
| 105.213.96.0/19 | 88,170 | 2026-09-08 15:59:21 |
| 105.213.128.0/18 | 88,155 | 2026-09-08 15:59:21 |
| 105.212.88.0/21 | 88,085 | 2026-09-08 15:59:10 |
| 105.216.104.0/21 | 88,034 | 2026-09-08 15:59:10 |
| 105.216.128.0/21 | 88,018 | 2026-09-08 15:59:10 |
| 105.213.64.0/19 | 88,001 | 2026-09-08 15:59:21 |
| 105.214.64.0/18 | 87,964 | 2026-09-08 15:59:21 |
| 105.214.0.0/18 | 87,882 | 2026-09-08 15:59:19 |
| 105.212.80.0/21 | 87,868 | 2026-09-08 15:59:10 |
| 105.216.144.0/21 | 87,671 | 2026-09-08 15:59:10 |
| 105.216.192.0/21 | 87,631 | 2026-09-08 15:59:10 |
| 105.209.168.0/22 | 87,248 | 2026-09-08 15:59:10 |
| 105.209.40.0/22 | 87,015 | 2026-09-08 15:59:21 |
| 105.216.72.0/22 | 87,005 | 2026-09-08 15:59:10 |
| 105.216.0.0/19 | 86,987 | 2026-09-08 15:59:11 |
| 105.209.108.0/22 | 86,944 | 2026-09-08 15:59:10 |
| 105.209.186.0/23 | 86,833 | 2026-09-08 15:59:10 |
Showing top 50 of 217 announced prefixes by sample volume.
Frequently Asked Questions
What is AS16637?
AS16637 is an Autonomous System Number assigned to MTN SA. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS16637 announce?
AS16637 announces 2.56M IPv4 addresses distributed across 105 routed CIDR prefixes. The network is registered in South Africa.
Who operates AS16637?
AS16637 is operated by MTN SA. The organization is based in South Africa. You can view all IP ranges and related ASNs on the organization page.
What country is AS16637 registered in?
AS16637 is registered in South Africa. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
