AS31 California Institute of Technology

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AS31 – California Institute of Technology

AS Number	31
AS Name	CIT
Organization	California Institute of Technology(cit-4-z)
Country	US
Website	caltech.edu
Number of IPv4 Routes	13
Number of IPv6 Routes	1
ASN type	EDUCATION
Allocation Status	assigned
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
131.215.244.0/23	AS31	California Institute of Technology	California Institute of Technology	512
131.215.234.0/24	AS31	California Institute of Technology	California Institute of Technology	256
2607:f520::/32	AS31	California Institute of Technology	California Institute of Technology	~79×10²⁷
131.215.242.0/23	AS31	California Institute of Technology	California Institute of Technology	512
131.215.240.0/24	AS31	California Institute of Technology	California Institute of Technology	256
192.12.19.0/24	AS31	California Institute of Technology	California Institute of Technology	256
131.215.0.0/16	AS31	California Institute of Technology	California Institute of Technology	65536
192.41.208.0/24	AS31	California Institute of Technology	California Institute of Technology	256
134.4.0.0/16	AS31	California Institute of Technology	California Institute of Technology	65536
buy plan	AS31	California Institute of Technology	California Institute of Technology	256
buy plan	AS31	California Institute of Technology	California Institute of Technology	256
buy plan	AS31	California Institute of Technology	California Institute of Technology	256
buy plan	AS31	California Institute of Technology	California Institute of Technology	256
buy plan	AS31	California Institute of Technology	California Institute of Technology	256

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Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       31
ASName:         CIT
ASHandle:       AS31
RegDate:        1984-09-21
Updated:        2023-08-29    
Ref:            https://rdap.arin.net/registry/autnum/31


OrgName:        California Institute of Technology
OrgId:          CIT-4-Z
Address:        1200 East California Boulevard
Address:        MS 1-10
City:           Pasadena
StateProv:      CA
PostalCode:     91125
Country:        US
RegDate:        2023-08-22
Updated:        2023-08-22
Ref:            https://rdap.arin.net/registry/entity/CIT-4-Z


OrgAbuseHandle: CI2-ORG-ARIN
OrgAbuseName:   Caltech Network Operations Center
OrgAbusePhone:  +1-626-395-3500 
OrgAbuseEmail:  noc@caltech.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

OrgTechHandle: CI2-ORG-ARIN
OrgTechName:   Caltech Network Operations Center
OrgTechPhone:  +1-626-395-3500 
OrgTechEmail:  noc@caltech.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

RTechHandle: CI2-ORG-ARIN
RTechName:   Caltech Network Operations Center
RTechPhone:  +1-626-395-3500 
RTechEmail:  noc@caltech.edu
RTechRef:    https://rdap.arin.net/registry/entity/CI2-ORG-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#