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Autonomous System

AS57

University of Minnesota

Announced IPs
2,816
CIDR prefixes
4
ASN
AS57

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.

71/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About University of Minnesota

The University of Minnesota Twin Cities is a public land-grant research university in the Twin Cities of Minneapolis and Saint Paul, Minnesota, United States. It is the flagship institution of the University of Minnesota System and is organized into 19 colleges, schools, and other major academic units.

Founded
1851
Headquarters
Minneapolis
Parent
University of Minnesota System
Employees
18,624

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 100-200Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-NLG-PARTICIPANTS

Present at 1 internet exchange: MICE: Shared Peering

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
146.57.248.0/21 2.0K
11.4%
University of Minnesota US
64.62.149.0/24 256
97.3%
University of Minnesota US
192.35.86.0/24 256
10.2%
University of Minnesota US
192.42.152.0/24 256
1.2%
University of Minnesota US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS57 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.35.86.0/24 8,353 2026-07-31 03:26:23
64.62.149.0/24 5,470 2026-07-31 03:27:06
146.57.248.0/21 5,094 2026-07-31 03:27:06
192.42.152.0/24 843 2026-07-30 23:59:26

Frequently Asked Questions

What is AS57?

AS57 is an Autonomous System Number assigned to University of Minnesota. 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 AS57 announce?

AS57 announces 2.8K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.

Who operates AS57?

AS57 is operated by University of Minnesota. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS57 registered in?

AS57 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 04:55:31 UTC
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