AS195 — SDSC-AS
AS195 announces 103 IPv4 prefixes covering 154,439 addresses and 9 IPv6 prefixes.
About this network
An early allocation (SDSC-AS) serving the San Diego Supercomputer Center at the University of California, San Diego, a national center for high-performance computing and data science.
What it's used for
- Networking for supercomputing, research data, and scientific computing.
Notable
- An academic/research supercomputing network, not commercial hosting. The low AS number reflects an allocation from the internet's earliest years.
Interesting
- SDSC was one of the original NSF supercomputer centers established in the 1980s, central to early US research networking.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 44.8.5.0/24
- 67.58.53.144/28
- 67.58.54.128/25
- 67.58.56.0/21
- 132.249.0.0/16
- 137.164.23.42/31
- 137.164.23.128/29
- 137.164.24.152/29
- 153.105.0.0/18
- 153.105.64.0/20
- 153.105.80.0/24
- 153.105.82.0/23
- 153.105.84.0/22
- 153.105.88.0/21
- 153.105.96.0/19
- 153.105.128.0/17
- 192.12.207.0/24
- 192.31.21.0/24
- 192.67.20.0/24
- 192.67.81.0/24
- 192.67.82.0/24
- 192.172.226.2/31
- 192.172.226.4/30
- 192.172.226.9/32
- 192.172.226.10/31
- 192.172.226.12/31
- 192.172.226.15/32
- 192.172.226.16/32
- 192.172.226.18/31
- 192.172.226.20/31
- 192.172.226.22/32
- 192.172.226.24/32
- 192.172.226.26/32
- 192.172.226.29/32
- 192.172.226.30/32
- 192.172.226.32/30
- 192.172.226.36/32
- 192.172.226.38/32
- 192.172.226.40/31
- 192.172.226.46/31
- 192.172.226.49/32
- 192.172.226.50/31
- 192.172.226.52/32
- 192.172.226.54/32
- 192.172.226.59/32
- 192.172.226.60/32
- 192.172.226.64/31
- 192.172.226.68/32
- 192.172.226.72/31
- 192.172.226.78/31
- 192.172.226.82/31
- 192.172.226.86/31
- 192.172.226.89/32
- 192.172.226.92/30
- 192.172.226.96/31
- 192.172.226.100/32
- 192.172.226.102/31
- 192.172.226.106/32
- 192.172.226.108/31
- 192.172.226.115/32
- 192.172.226.117/32
- 192.172.226.118/31
- 192.172.226.121/32
- 192.172.226.122/32
- 192.172.226.124/32
- 192.172.226.126/32
- 192.172.226.132/31
- 192.172.226.136/31
- 192.172.226.140/31
- 192.172.226.147/32
- 192.172.226.148/31
- 192.172.226.154/31
- 192.172.226.158/32
- 192.172.226.172/32
- 192.172.226.175/32
- 192.172.226.177/32
- 192.172.226.193/32
- 192.172.226.194/32
- 192.172.226.199/32
- 192.172.226.205/32
- 192.172.226.206/31
- 192.172.226.209/32
- 192.172.226.210/32
- 192.172.226.233/32
- 192.172.226.236/32
- 192.172.226.238/32
- 192.172.226.242/32
- 192.172.226.246/31
- 192.172.226.249/32
- 192.207.234.0/24
- 198.17.46.0/23
- 198.17.101.0/24
- 198.187.222.0/24
- 198.188.136.0/26
- 198.202.64.0/24
- 198.202.71.0/24
- 198.202.72.0/21
- 198.202.80.0/20
- 198.202.96.0/20
- 198.202.112.0/21
and 12 more.
Upstream networks
Downstream networks
- AS22213 Salk Institute
- AS46985 The Regents of the University of California - University of California, San Diego.
- AS1909 San Diego Supercomputer Center
- AS2641 The Scripps Research Institute
- AS12148 Clemson University
Adjacent networks
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IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED