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Autonomous System

AS7311

Frontier Networks Inc

Announced IPs
126,720
CIDR prefixes
28
ASN
AS7311

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.

58/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 3 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS7311 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
216.126.88.0/24 AS7311, AS10678 2026-11-13 08:24:07
204.138.4.0/24 AS7311, AS29974 2026-11-13 08:24:07
204.138.5.0/24 AS7311, AS29974 2026-11-13 08:24:07

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 100-200Gbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Open
IRR record AS-FRONTIERNET

Present at 5 internet exchanges: TorIX, Equinix New York, SIX Seattle: MTU 1500, NYIIX New York, VANIX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
45.2.0.0/16 65.5K
85.6%
Frontier Networks Inc CA Ontario Toronto
24.146.64.0/18 16.4K
97.7%
Frontier Networks Inc CA Alberta Fort McMurray
24.104.160.0/19 8.2K
98.1%
Frontier Networks Inc CA Ontario Windsor
69.17.224.0/19 8.2K
97.6%
Frontier Networks Inc CA Quebec Montreal
96.125.128.0/20 4.1K
3.1%
Frontier Networks Inc CA Ontario Toronto
192.154.144.0/20 4.1K
97.5%
Frontier Networks Inc CA Quebec Montreal
38.143.48.0/21 2.0K
0.3%
Frontier Networks Inc US — —
67.21.144.0/21 2.0K
1.6%
Frontier Networks Inc CA Ontario Toronto
162.33.168.0/21 2.0K
0.0%
Frontier Networks Inc CA Ontario Greater Sudbury
162.33.216.0/21 2.0K
0.0%
Frontier Networks Inc CA Ontario Thorold
216.126.72.0/21 2.0K
0.0%
Frontier Networks Inc CA Ontario Havelock
216.126.80.0/21 2.0K
0.0%
Frontier Networks Inc CA Ontario Toronto
67.21.156.0/22 1.0K
1.5%
Frontier Networks Inc CA — —
104.37.80.0/22 1.0K
97.8%
Frontier Networks Inc CA Quebec Montreal
216.126.92.0/22 1.0K
2.7%
Frontier Networks Inc CA Ontario Toronto
162.33.180.0/23 512
0.0%
Frontier Networks Inc CA — —
162.33.188.0/23 512
49.6%
Frontier Networks Inc CA Ontario Milton
204.138.4.0/23 512
0.0%
Frontier Networks Inc CA Ontario Orangeville
205.153.228.0/23 512
0.0%
Frontier Networks Inc CA — —
216.126.70.0/23 512
0.4%
Frontier Networks Inc CA — —
216.126.90.0/23 512
0.0%
Frontier Networks Inc CA — —
161.129.186.0/24 256
0.0%
Frontier Networks Inc CA Ontario Toronto
204.138.6.0/24 256
0.0%
Frontier Networks Inc CA — —
205.207.65.0/24 256
0.0%
Frontier Networks Inc CA — —
206.204.110.0/24 256
0.0%
Frontier Networks Inc CA — —
216.126.64.0/24 256
1.2%
Frontier Networks Inc CA — —
216.126.68.0/24 256
1.2%
Frontier Networks Inc CA — —
216.126.89.0/24 256
3.5%
Frontier Networks Inc CA — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7311 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.126.89.0/24 78,176 2026-11-13 05:48:57
24.146.112.0/20 27,641 2026-11-13 08:10:28
24.104.184.0/22 27,430 2026-11-13 08:10:27
24.146.100.0/22 27,429 2026-11-13 08:10:28
24.104.180.0/23 27,390 2026-11-13 08:10:27
24.146.104.0/21 27,379 2026-11-13 08:10:28
38.143.54.0/23 24,147 2026-11-13 05:48:57
69.17.240.0/20 24,056 2026-11-13 05:48:57
69.17.224.0/20 23,652 2026-11-13 05:48:57
192.154.144.0/21 23,630 2026-11-13 05:48:57
192.154.152.0/21 23,607 2026-11-13 05:48:57
104.37.80.0/23 23,607 2026-11-13 05:48:57
104.37.82.0/23 23,559 2026-11-13 05:48:57
24.146.80.0/20 22,750 2026-11-13 08:10:27
24.146.96.0/22 22,623 2026-11-13 08:10:28
24.104.179.0/24 22,618 2026-11-13 08:10:27
38.143.48.0/21 22,588 2026-11-13 05:48:57
24.146.64.0/20 22,583 2026-11-13 08:10:28
204.138.4.0/24 21,537 2026-11-13 08:10:28
204.138.5.0/24 21,526 2026-11-13 08:10:28
96.125.128.0/21 17,637 2026-11-13 08:10:28
96.125.135.0/24 17,496 2026-11-13 08:10:28
96.125.136.0/22 17,241 2026-11-13 08:10:28
96.125.128.0/20 17,168 2026-11-13 08:10:28
67.21.159.0/24 16,429 2026-11-13 08:10:28
216.126.77.0/24 15,849 2026-11-13 08:10:28
216.126.72.0/24 15,816 2026-11-13 08:10:28
216.126.79.0/24 15,802 2026-11-13 08:10:28
96.125.140.0/22 15,724 2026-11-13 08:10:28
67.21.149.0/24 15,694 2026-11-13 08:10:28
45.2.207.0/24 15,632 2026-11-13 08:10:28
45.2.204.0/22 15,602 2026-11-13 08:10:28
24.104.182.0/24 15,589 2026-11-13 08:10:27
24.104.183.0/24 15,588 2026-11-13 08:10:27
24.104.176.0/23 15,577 2026-11-13 08:10:27
24.104.178.0/24 15,559 2026-11-13 08:10:27
67.21.144.0/20 15,555 2026-11-13 08:10:28
45.2.232.0/24 15,544 2026-11-13 08:10:28
45.2.227.0/24 15,507 2026-11-13 08:10:28
45.2.228.0/24 15,494 2026-11-13 08:10:28
45.2.223.0/24 15,468 2026-11-13 08:10:28
45.2.220.0/23 15,468 2026-11-13 08:10:28
45.2.208.0/23 15,462 2026-11-13 08:10:28
45.2.226.0/24 15,454 2026-11-13 08:10:28
45.2.222.0/24 15,427 2026-11-13 08:10:28
45.2.224.0/23 15,409 2026-11-13 08:10:28
45.2.244.0/24 15,406 2026-11-13 08:10:28
45.2.238.0/24 15,367 2026-11-13 08:10:28
216.126.90.0/24 15,341 2026-11-13 08:10:28
24.104.191.0/24 15,255 2026-11-13 08:10:27

Showing top 50 of 103 announced prefixes by sample volume.

Frequently Asked Questions

What is AS7311?

AS7311 is an Autonomous System Number assigned to Frontier Networks Inc. 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 AS7311 announce?

AS7311 announces 126.7K IPv4 addresses distributed across 28 routed CIDR prefixes. The network is registered in Canada.

Who operates AS7311?

AS7311 is operated by Frontier Networks Inc. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS7311 registered in?

AS7311 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 08:24:05 UTC
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