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Organization

San Diego Supercomputer Center

IPv4 addresses
154,367
CIDR ranges
45
Category
enterprise
BGP prefixes announced
48

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About San Diego Supercomputer Center

The San Diego Supercomputer Center (SDSC) is an organized research unit of the University of California, San Diego. Founded in 1985, it was one of the five original NSF supercomputing centers, along with the Pittsburgh Supercomputing Center, the Cornell National Supercomputing Facility, the John von Neumann National Supercomputing Center, and the National Center for Supercomputing Applications.

Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Countries served by San Diego Supercomputer Center

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by San Diego Supercomputer Center

ASNNameIPsPrefixesCountry
AS195 San Diego Supercomputer Center 154.1K 44 US
AS1909 San Diego Supercomputer Center 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
132.249.0.0/16 65.5K
5.2%
AS195 US California La Jolla
132.249.128.0/17 32.8K
5.1%
AS195 US California La Jolla
153.105.128.0/17 32.8K
0.1%
AS195 US — —
132.249.0.0/18 16.4K
0.8%
AS195 US — —
153.105.0.0/18 16.4K
0.2%
AS195 US — —
132.249.64.0/19 8.2K
5.9%
AS195 US — —
153.105.96.0/19 8.2K
0.3%
AS195 US — —
132.249.112.0/20 4.1K
8.9%
AS195 US — —
153.105.64.0/20 4.1K
0.0%
AS195 US — —
198.202.80.0/20 4.1K
31.1%
AS195 US California Palomar Mountain
198.202.96.0/20 4.1K
31.0%
AS195 US California Palomar Mountain
199.165.16.0/20 4.1K
0.2%
AS195 US — —
67.58.56.0/21 2.0K
20.7%
AS195 US California San Diego
132.249.104.0/21 2.0K
36.4%
AS195 US — —
153.105.88.0/21 2.0K
0.0%
AS195 US — —
198.202.72.0/21 2.0K
15.4%
AS195 US — —
198.202.112.0/21 2.0K
0.8%
AS195 US — —
132.249.96.0/22 1.0K
0.3%
AS195 US — —
153.105.84.0/22 1.0K
0.0%
AS195 US — —
198.202.120.0/22 1.0K
34.7%
AS195 US — —
132.249.102.0/23 512
0.0%
AS195 US — —
153.105.82.0/23 512
0.2%
AS195 US — —
198.17.46.0/23 512
9.4%
AS195 US — —
198.202.126.0/23 512
11.1%
AS195 US — —
44.8.5.0/24 256
98.0%
AS195 US — —
132.249.101.0/24 256
0.0%
AS195 US — —
153.105.80.0/24 256
17.2%
AS195 US — —
192.12.207.0/24 256
20.7%
AS195 US — —
192.31.21.0/24 256
87.9%
AS195 US — —
192.67.20.0/24 256
19.9%
AS195 US — —
192.67.81.0/24 256
11.3%
AS195 US — —
192.67.82.0/24 256
14.5%
AS195 US — —
192.172.226.0/24 256
86.7%
AS1909 US — —
192.207.234.0/24 256
20.7%
AS195 US — —
198.17.101.0/24 256
5.5%
AS195 US California La Jolla
198.187.222.0/24 256
10.2%
AS195 US — —
198.202.64.0/24 256
98.8%
AS195 US — —
198.202.71.0/24 256
2.3%
AS195 US — —
132.249.100.0/25 128
0.0%
AS195 US — —
132.249.100.192/26 64
0.0%
AS195 US — —
132.249.100.160/27 32
0.0%
AS195 US — —
132.249.100.144/28 16
0.0%
AS195 US — —
132.249.100.128/29 8
0.0%
AS195 US — —
132.249.100.140/30 4
0.0%
AS195 US — —
132.249.100.138/31 2
0.0%
AS195 US — —
132.249.100.136/32 1
0.0%
AS195 US — —

Frequently Asked Questions

How many IP addresses does San Diego Supercomputer Center own?

San Diego Supercomputer Center controls 154.4K IPv4 addresses distributed across 45 CIDR ranges. The organization is registered in United States.

What ASNs does San Diego Supercomputer Center operate?

San Diego Supercomputer Center operates 2 Autonomous Systems. Each ASN represents an independently routed network that San Diego Supercomputer Center manages for internet traffic delivery.

What type of organization is San Diego Supercomputer Center?

San Diego Supercomputer Center is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-11-15 19:39:05 UTC
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