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AS31

CIT

California Institute of Technology

Registry

Authoritative registration data

AS number
31
Name
CIT
Organisation
California Institute of Technology
Country
—
RIR
ARIN
Registered
Source:asn:rdap retrieved

IPv4 prefixes

12

IPv6 prefixes

1

Total announced

13

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS31
131.215.0.0/16 IPv4 /16 not checked
134.4.0.0/16 IPv4 /16 not checked
131.215.242.0/23 IPv4 /23 not checked
131.215.244.0/23 IPv4 /23 not checked
131.215.229.0/24 IPv4 /24 not checked
131.215.230.0/24 IPv4 /24 not checked
131.215.234.0/24 IPv4 /24 not checked
131.215.239.0/24 IPv4 /24 not checked
131.215.240.0/24 IPv4 /24 not checked
192.12.19.0/24 IPv4 /24 not checked
192.31.43.0/24 IPv4 /24 not checked
192.41.208.0/24 IPv4 /24 not checked
2607:f520::/32 IPv6 /32 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

No Internet Exchange memberships found

The exchange directory has no current membership records for this AS.

Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS31 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

3 networks seen before AS31 in AS paths

Observed upstreams
Families
AS13335 CLOUDFLARENET 274 2,583
v4
AS2152 CENIC-2152 479 1,987
v4 v6
AS2153 CENIC-2153 9 51
v4 v6

No rows match “”.

Showing – of

Observed downstreams

0 networks seen after AS31 in AS paths

No downstreams observed

This AS was not seen carrying traffic towards another network.

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.