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Autonomous System

AS393249

University of British Columbia

Announced IPs
287,744
CIDR prefixes
36
ASN
AS393249

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.

59/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS393249 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)
128.189.0.0/16 AS271, AS393249 2026-07-22 12:53:21

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

AS393249 — global IP footprint

Cities where AS393249 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
137.82.0.0/16 65.5K
19.3%
University of British Columbia CA British Columbia Vancouver
142.103.0.0/16 65.5K
15.6%
University of British Columbia CA British Columbia Vancouver
128.189.128.0/17 32.8K
89.0%
University of British Columbia CA British Columbia Vancouver
128.189.64.0/18 16.4K
92.4%
University of British Columbia CA British Columbia Vancouver
206.87.0.0/18 16.4K
7.0%
University of British Columbia CA British Columbia Kelowna
206.87.192.0/18 16.4K
73.1%
University of British Columbia CA British Columbia Vancouver
128.189.32.0/19 8.2K
92.2%
University of British Columbia CA British Columbia Vancouver
142.231.64.0/19 8.2K
0.0%
University of British Columbia CA British Columbia Kelowna
142.231.160.0/19 8.2K
0.0%
University of British Columbia CA British Columbia Kelowna
198.162.32.0/19 8.2K
9.4%
University of British Columbia CA
206.87.96.0/19 8.2K
89.6%
University of British Columbia CA British Columbia Vancouver
206.87.128.0/19 8.2K
63.8%
University of British Columbia CA British Columbia Vancouver
128.189.16.0/20 4.1K
0.0%
University of British Columbia CA British Columbia Vancouver
142.231.24.0/21 2.0K
0.1%
University of British Columbia CA British Columbia Lake Country
206.12.40.0/21 2.0K
69.8%
University of British Columbia CA British Columbia Richmond
206.12.64.0/21 2.0K
70.8%
University of British Columbia CA British Columbia Vancouver
206.12.136.0/21 2.0K
69.8%
University of British Columbia CA British Columbia Vancouver
206.12.160.0/21 2.0K
64.7%
University of British Columbia CA British Columbia Vancouver
206.12.176.0/21 2.0K
0.0%
University of British Columbia CA British Columbia Vancouver
206.12.12.0/22 1.0K
0.1%
University of British Columbia CA British Columbia Vancouver
206.12.52.0/22 1.0K
69.2%
University of British Columbia CA
206.12.72.0/22 1.0K
0.1%
University of British Columbia CA
206.12.200.0/22 1.0K
0.1%
University of British Columbia CA
206.12.208.0/22 1.0K
0.8%
University of British Columbia CA
206.12.18.0/23 512
4.3%
University of British Columbia CA British Columbia Burnaby
206.12.78.0/23 512
0.0%
University of British Columbia CA
207.23.94.0/23 512
0.0%
University of British Columbia CA
209.87.16.0/23 512
7.8%
University of British Columbia CA
142.231.20.0/24 256
0.4%
University of British Columbia CA
198.162.67.0/24 256
0.0%
University of British Columbia CA
206.12.28.0/24 256
0.0%
University of British Columbia CA
206.12.116.0/24 256
0.0%
University of British Columbia CA
206.12.119.0/24 256
18.8%
University of British Columbia CA
207.23.243.0/24 256
0.0%
University of British Columbia CA
207.23.249.0/24 256
0.4%
University of British Columbia CA
207.23.252.0/24 256
3.9%
University of British Columbia CA

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS393249 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
206.12.19.0/24 11,152 2026-07-22 11:55:52
142.231.64.0/19 10,952 2026-07-22 09:37:33
142.231.160.0/19 10,898 2026-07-22 09:37:33
142.231.24.0/21 10,864 2026-07-22 09:37:33
206.87.0.0/18 10,152 2026-07-22 09:37:35
128.189.16.0/20 5,756 2026-07-22 09:37:33
206.12.136.0/21 4,519 2026-07-22 11:55:52
206.12.160.0/21 4,516 2026-07-22 11:55:52
206.12.176.0/21 4,501 2026-07-22 11:55:52
206.12.40.0/21 4,500 2026-07-22 11:55:52
206.12.14.0/24 4,480 2026-07-22 11:55:52
142.231.20.0/24 4,419 2026-07-22 09:37:33
128.189.128.0/18 4,405 2026-07-22 09:37:33
206.87.240.0/20 4,381 2026-07-22 09:37:33
209.87.16.0/24 4,375 2026-07-22 09:37:33
207.23.243.0/24 4,370 2026-07-22 09:37:33
198.162.67.0/24 4,357 2026-07-22 09:37:33
206.12.13.0/24 4,089 2026-07-22 11:55:52
206.12.208.0/22 4,082 2026-07-22 11:55:52
206.12.64.0/20 4,079 2026-07-22 11:55:52
206.12.52.0/22 4,075 2026-07-22 11:55:52
206.12.12.0/24 4,074 2026-07-22 11:55:52
128.189.64.0/19 4,072 2026-07-22 09:37:35
206.12.18.0/24 4,069 2026-07-22 11:55:52
206.12.200.0/22 4,067 2026-07-22 11:55:52
206.12.119.0/24 4,066 2026-07-22 11:55:52
206.12.28.0/24 4,066 2026-07-22 11:55:52
206.12.15.0/24 4,062 2026-07-22 11:55:52
137.82.0.0/16 4,052 2026-07-22 09:37:35
128.189.192.0/18 4,048 2026-07-22 09:37:35
128.189.96.0/19 4,046 2026-07-22 09:37:35
128.189.32.0/19 4,041 2026-07-22 09:37:35
206.87.224.0/20 4,031 2026-07-22 09:37:35
206.87.192.0/19 4,028 2026-07-22 09:37:35
142.103.0.0/16 4,028 2026-07-22 09:37:35
206.87.96.0/19 4,026 2026-07-22 09:37:35
206.87.128.0/19 4,023 2026-07-22 09:37:35
207.23.249.0/24 4,018 2026-07-22 09:37:35
198.162.32.0/19 4,014 2026-07-22 09:37:35
207.23.252.0/24 4,000 2026-07-22 09:37:35
209.87.17.0/24 3,996 2026-07-22 09:37:35
207.23.94.0/23 3,990 2026-07-22 09:37:35
206.12.116.0/24 128 2026-07-21 20:29:53
128.189.0.0/16 78 2026-07-21 20:29:53

Frequently Asked Questions

What is AS393249?

AS393249 is an Autonomous System Number assigned to University of British Columbia. 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 AS393249 announce?

AS393249 announces 287.7K IPv4 addresses distributed across 36 routed CIDR prefixes. The network is registered in Canada.

Who operates AS393249?

AS393249 is operated by University of British Columbia. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS393249 registered in?

AS393249 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-22 12:55:32 UTC
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