AS31 California Institute of Technology - bgp.tools

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The website screenshot for http://caltech.edu

California Institute of Technology

AS Number 31
Website http://caltech.edu

Overview
Prefixes
Connectivity
Whois

Network status: Active, Allocated under ARIN

Network type: Eyeball

Prefixes Originated: 12 IPv4, 1 IPv6

Upstreams

AS2152 - CENIC - CalREN
AS13335 - Cloudflare, Inc.

Locations of Operation

United States

Tags:

Prefixes Originated

12 IPv4, 1 IPv6

Addresses Originated

515 /24's of IPv4

65536 /48's of IPv6

	Prefix	Description
	131.215.0.0/16	California Institute of Technology
	131.215.229.0/24	California Institute of Technology
	131.215.230.0/24	California Institute of Technology
	131.215.234.0/24	California Institute of Technology
	131.215.239.0/24	California Institute of Technology
	131.215.240.0/24	California Institute of Technology
	131.215.242.0/23	California Institute of Technology
	131.215.244.0/23	California Institute of Technology
	134.4.0.0/16	California Institute of Technology
	192.12.19.0/24	California Institute of Technology
	192.31.43.0/24	California Institute of Technology
	192.41.208.0/24	California Institute of Technology
	2607:f520::/32	California Institute of Technology

Last Update: 2026-07-11T03:40:10Z UTC

Member of the following AS-SETs

-	Member	ASN Count