AS31 California Institute of Technology

Country of Origin:

United States

Prefixes Originated (all): 13
Prefixes Originated (v4): 12
Prefixes Originated (v6): 1

Prefixes Announced (all): 13
Prefixes Announced (v4): 12
Prefixes Announced (v6): 1

RPKI Originated Valid (all): 0
RPKI Originated Valid (v4): 0
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 4
BGP Peers Observed (v4): 4
BGP Peers Observed (v6): 2

IPs Originated (v4): 131,840
AS Paths Observed (v4): 931
AS Paths Observed (v6): 422

Average AS Path Length (all): 3.920
Average AS Path Length (v4): 3.768
Average AS Path Length (v6): 4.256

AS31 IPv4 Peers

ASN	Name
AS13335	Cloudflare, Inc.
AS226	Los Nettos
AS2152	CENIC
AS2153	CENIC

AS31 IPv6 Peers

ASN	Name
AS2152	CENIC
AS2153	CENIC

AS31 IPv4 Peer Count

AS31 IPv6 Peer Count

AS31 IPv4 Prefixes Announced

AS31 IPv6 Prefixes Announced

AS31 IPv4 Prefixes Originated

AS31 IPv6 Prefixes Originated

AS31 IPv4 Route Propagation

AS31 IPv6 Route Propagation

Prefix	Description	Visibility
Loading Prefixes...

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

Prefix	Description	Visibility
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Prefix	Description
2607:f520::/32

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Cloudflare, Inc.		AS13335
2	Los Nettos		AS226
3	CENIC	X	AS2152
4	CENIC	X	AS2153

Rank	Description	IPv4	Peer
1	CENIC	X	AS2152
2	CENIC	X	AS2153

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

NTTCOM

aut-num: AS31 as-name: CALIT descr: California Institute of Technology admin-c: NO304-ORG tech-c: NO304-ORG notify: noc@caltech.edu mnt-by: MAINT-AS31 changed: noc@caltech.edu 20020328 source: NTTCOM

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