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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
About Zayo Group
Zayo Group Holdings, Inc. is an American telecommunications company headquartered in Denver, Colorado, with European headquarters in London.
Operates 6 networks present at 54 internet exchanges with a open peering policy.
Zayo Bandwidth — global IP footprint
Cities where Zayo Bandwidth has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Countries served by Zayo Bandwidth
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by Zayo Bandwidth
| ASN | Name | IPs | Prefixes | Country |
|---|---|---|---|---|
| AS6461 | Zayo Bandwidth | 1.58M | 1,218 | US |
| AS11686 | Zayo Bandwidth | 735.0K | 22 | US |
| AS19092 | Zayo Bandwidth | 69.4K | 64 | US |
| AS11079 | Zayo Bandwidth | 38.9K | 34 | CA |
| AS32703 | Zayo Bandwidth | 34.3K | 38 | US |
| AS15290 | Zayo Bandwidth | 26.1K | 91 | CA |
| AS4997 | Zayo Bandwidth | 22.8K | 17 | US |
| AS16503 | Zayo Bandwidth | 20.2K | 11 | US |
| AS17025 | Zayo Bandwidth | 15.6K | 46 | US |
| AS13555 | Zayo Bandwidth | 8.7K | 11 | US |
| AS33321 | Zayo Bandwidth | 3.8K | 5 | US |
| AS22969 | Zayo Bandwidth | 2.8K | 4 | US |
| AS11359 | Zayo Bandwidth | 2.3K | 2 | US |
| AS6401 | Zayo Bandwidth | 1.3K | 5 | CA |
| AS19158 | Zayo Bandwidth | 256 | 1 | US |
Largest CIDR ranges
Frequently Asked Questions
How many IP addresses does Zayo Bandwidth own?
Zayo Bandwidth controls 2.56M IPv4 addresses distributed across 1,580 CIDR ranges. The organization is registered in United States.
What ASNs does Zayo Bandwidth operate?
Zayo Bandwidth operates 15 Autonomous Systems. Each ASN represents an independently routed network that Zayo Bandwidth manages for internet traffic delivery.
What countries does Zayo Bandwidth serve?
Zayo Bandwidth has IP address allocations in 12 countries, indicating a multinational network presence for delivering services across these regions.
What type of organization is Zayo Bandwidth?
Zayo Bandwidth is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.
