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Autonomous System

AS15290

Zayo Bandwidth

Announced IPs
26,112
CIDR prefixes
91
ASN
AS15290

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.

69/100
Moderate
How this score is built
  • 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.

Founded
2007
Headquarters
Denver
Industry
telecommunication company

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 50-100Gbps
Geographic scope North America
Traffic ratio Balanced
Peering policy Selective
IRR record AS-ALLSTREAM

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
216.13.120.0/22 1.0K
2.7%
Zayo Bandwidth US
66.46.46.0/23 512
99.4%
Zayo Bandwidth US
74.216.210.0/23 512
0.0%
Zayo Bandwidth US
203.186.116.0/23 512
92.2%
Zayo Bandwidth HK
207.245.222.0/23 512
0.6%
Zayo Bandwidth US
207.245.244.0/23 512
8.0%
Zayo Bandwidth US
209.82.30.0/23 512
26.8%
Zayo Bandwidth US
216.13.4.0/23 512
1.0%
Zayo Bandwidth US
216.191.252.0/23 512
0.0%
Zayo Bandwidth US
66.46.20.0/24 256
98.8%
Zayo Bandwidth US
66.46.26.0/24 256
98.0%
Zayo Bandwidth US
66.46.46.0/24 256
0.0%
CA
66.46.102.0/24 256
98.4%
Zayo Bandwidth US
66.46.194.0/24 256
0.0%
Zayo Bandwidth US
66.46.196.0/24 256
99.2%
Zayo Bandwidth US
66.46.221.0/24 256
0.0%
Zayo Bandwidth US
71.19.171.0/24 256
0.4%
Zayo Bandwidth US
71.19.174.0/24 256
0.4%
Zayo Bandwidth US
71.19.189.0/24 256
1.6%
Zayo Bandwidth US
74.198.31.0/24 256
1.6%
Zayo Bandwidth CA
74.216.111.0/24 256
0.0%
Zayo Bandwidth US
74.216.178.0/24 256
0.0%
Zayo Bandwidth US
74.216.180.0/24 256
45.3%
Zayo Bandwidth US
74.216.227.0/24 256
0.0%
Zayo Bandwidth US
74.216.234.0/24 256
0.0%
Zayo Bandwidth US
156.44.121.0/24 256
0.0%
Zayo Bandwidth CA
159.18.219.0/24 256
1.6%
Zayo Bandwidth US
162.44.27.0/24 256
0.0%
Zayo Bandwidth US
184.94.3.0/24 256
0.4%
Zayo Bandwidth US
184.94.7.0/24 256
0.4%
Zayo Bandwidth US
184.94.15.0/24 256
1.2%
Zayo Bandwidth US
184.94.22.0/24 256
0.4%
Zayo Bandwidth US
184.94.27.0/24 256
0.4%
Zayo Bandwidth US
184.94.36.0/24 256
0.4%
Zayo Bandwidth US
184.94.51.0/24 256
0.4%
Zayo Bandwidth US
184.94.119.0/24 256
1.6%
Zayo Bandwidth US
192.81.85.0/24 256
0.4%
Zayo Bandwidth CA
192.135.87.0/24 256
0.0%
Zayo Bandwidth US
198.73.152.0/24 256
0.0%
Zayo Bandwidth CA
198.182.214.0/24 256
3.9%
Zayo Bandwidth CA Ontario London
199.43.108.0/24 256
9.0%
Zayo Bandwidth CA Ontario Ottawa
199.85.193.0/24 256
0.8%
Zayo Bandwidth CA
199.246.159.0/24 256
0.0%
Zayo Bandwidth CA
203.186.119.0/24 256
93.8%
Zayo Bandwidth HK
204.138.183.0/24 256
0.0%
Zayo Bandwidth CA
204.138.208.0/24 256
0.0%
Zayo Bandwidth CA
205.210.150.0/24 256
0.8%
Zayo Bandwidth CA
206.191.67.0/24 256
1.6%
Zayo Bandwidth US
206.191.79.0/24 256
35.5%
Zayo Bandwidth US
206.191.80.0/24 256
0.0%
Zayo Bandwidth US
206.191.87.0/24 256
0.0%
Zayo Bandwidth US
206.191.93.0/24 256
0.0%
Zayo Bandwidth US
206.191.96.0/24 256
0.0%
Zayo Bandwidth US
206.191.100.0/24 256
0.0%
Zayo Bandwidth US
206.191.120.0/24 256
1.2%
Zayo Bandwidth US
207.181.66.0/24 256
34.8%
Zayo Bandwidth US
207.181.106.0/24 256
1.2%
Zayo Bandwidth US
207.230.251.0/24 256
0.0%
Zayo Bandwidth US
207.245.25.0/24 256
0.0%
Zayo Bandwidth US
207.245.45.0/24 256
0.0%
Zayo Bandwidth US
207.245.215.0/24 256
0.0%
Zayo Bandwidth US
207.245.229.0/24 256
0.0%
Zayo Bandwidth US
209.82.28.0/24 256
0.0%
Zayo Bandwidth US
209.82.49.0/24 256
1.2%
Zayo Bandwidth US
209.112.4.0/24 256
7.8%
Zayo Bandwidth US
209.112.42.0/24 256
84.4%
Zayo Bandwidth US
209.146.153.0/24 256
0.8%
Zayo Bandwidth US
209.146.166.0/24 256
0.0%
Zayo Bandwidth US
209.146.169.0/24 256
31.6%
Zayo Bandwidth US
209.146.181.0/24 256
31.6%
Zayo Bandwidth US
209.146.198.0/24 256
46.1%
Zayo Bandwidth US
209.146.220.0/24 256
80.9%
Zayo Bandwidth US
209.146.234.0/24 256
26.6%
Zayo Bandwidth US
209.146.237.0/24 256
6.6%
Zayo Bandwidth US
209.146.238.0/24 256
27.7%
Zayo Bandwidth US
209.153.205.0/24 256
0.0%
Zayo Bandwidth US
216.13.36.0/24 256
0.0%
Zayo Bandwidth US
216.13.69.0/24 256
0.8%
Zayo Bandwidth US
216.13.80.0/24 256
2.3%
Zayo Bandwidth US
216.13.115.0/24 256
0.0%
Zayo Bandwidth US
216.13.121.0/24 256
0.0%
US
216.13.122.0/24 256
0.0%
US
216.13.127.0/24 256
12.9%
Zayo Bandwidth US
216.13.131.0/24 256
4.3%
Zayo Bandwidth US
216.13.190.0/24 256
0.8%
Zayo Bandwidth US
216.13.233.0/24 256
0.0%
Zayo Bandwidth US
216.123.71.0/24 256
0.4%
Zayo Bandwidth US
216.123.80.0/24 256
0.0%
Zayo Bandwidth US
216.123.176.0/24 256
0.0%
Zayo Bandwidth US
216.123.187.0/24 256
2.0%
Zayo Bandwidth US
216.129.75.0/24 256
0.0%
Zayo Bandwidth US
216.191.118.0/24 256
0.0%
Zayo Bandwidth US
216.191.234.0/24 256
4.7%
Zayo Bandwidth US
216.191.238.0/24 256
0.4%
Zayo Bandwidth US
66.46.47.0/25 128
0.0%
US
207.245.25.0/25 128
0.0%
US
207.245.25.128/25 128
0.0%
CA
209.146.169.128/25 128
0.0%
US
209.146.238.128/25 128
0.0%
US
216.13.120.0/25 128
0.0%
US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS15290 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
209.153.205.0/24 7,192 2026-07-21 02:14:49
206.191.67.0/24 6,575 2026-07-21 02:14:49
74.216.234.0/24 6,152 2026-07-21 02:14:49
209.82.30.0/24 5,569 2026-07-20 19:09:51
66.46.20.0/24 4,960 2026-07-13 06:46:18
199.85.193.0/24 4,438 2026-07-21 02:14:06
66.46.102.0/24 4,339 2026-07-21 02:14:49
66.46.196.0/24 4,312 2026-07-21 02:14:49
66.46.221.0/24 4,309 2026-07-21 02:14:49
71.19.189.0/24 4,309 2026-07-21 02:14:49
74.216.211.0/24 4,309 2026-07-21 02:14:49
66.46.194.0/24 4,308 2026-07-21 02:14:49
74.216.178.0/24 4,306 2026-07-21 02:14:49
74.216.111.0/24 4,306 2026-07-21 02:14:49
66.46.26.0/24 4,305 2026-07-21 02:14:49
74.216.210.0/24 4,287 2026-07-21 02:14:49
184.94.3.0/24 4,238 2026-07-21 02:14:49
74.198.31.0/24 4,221 2026-07-21 02:14:06
216.13.120.0/23 4,221 2026-07-21 02:14:49
216.123.187.0/24 4,220 2026-07-21 02:14:49
216.191.234.0/24 4,215 2026-07-21 02:14:49
206.191.87.0/24 4,213 2026-07-21 02:14:49
184.94.36.0/24 4,213 2026-07-21 02:14:49
216.13.120.0/22 4,212 2026-07-21 02:14:49
209.82.28.0/24 4,209 2026-07-21 02:14:49
207.245.45.0/24 4,205 2026-07-21 02:14:49
209.146.220.0/24 4,201 2026-07-21 02:14:49
206.191.80.0/24 4,200 2026-07-21 02:14:49
216.13.80.0/24 4,195 2026-07-21 02:14:49
184.94.22.0/24 4,195 2026-07-21 02:14:49
71.19.174.0/24 4,193 2026-07-21 02:14:49
184.94.51.0/24 4,191 2026-07-21 02:14:49
184.94.119.0/24 4,188 2026-07-21 02:14:49
184.94.27.0/24 4,188 2026-07-21 02:14:49
216.191.252.0/23 4,187 2026-07-21 02:14:49
216.13.131.0/24 4,184 2026-07-21 02:14:49
216.13.69.0/24 4,183 2026-07-21 02:14:49
216.13.233.0/24 4,183 2026-07-21 02:14:49
216.13.122.0/23 4,180 2026-07-21 02:14:49
207.181.106.0/24 4,179 2026-07-21 02:14:49
216.13.127.0/24 4,177 2026-07-21 02:14:49
207.245.245.0/24 4,176 2026-07-21 02:14:49
216.191.118.0/24 4,175 2026-07-21 02:14:49
207.245.244.0/24 4,173 2026-07-21 02:14:49
209.82.31.0/24 4,171 2026-07-21 02:14:49
66.46.47.0/24 4,169 2026-07-21 02:14:49
71.19.171.0/24 4,168 2026-07-21 02:14:49
207.181.66.0/24 4,167 2026-07-21 02:14:49
216.191.238.0/24 4,165 2026-07-21 02:14:49
66.46.46.0/24 4,161 2026-07-21 02:14:49

Showing top 50 of 99 announced prefixes by sample volume.

Frequently Asked Questions

What is AS15290?

AS15290 is an Autonomous System Number assigned to Zayo Bandwidth. 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 AS15290 announce?

AS15290 announces 26.1K IPv4 addresses distributed across 91 routed CIDR prefixes. The network is registered in Canada.

Who operates AS15290?

AS15290 is operated by Zayo Bandwidth. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS15290 registered in?

AS15290 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-21 03:25:32 UTC
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