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AS103

NWU-AS

Northwestern University

Registry

Authoritative registration data

AS number
103
Name
NWU-AS
Organisation
Northwestern University
Country
RIR
ARIN
Registered
Source:asn:rdap retrieved

IPv4 prefixes

27

IPv6 prefixes

3

Total announced

30

Announced prefixes

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

Prefixes announced by AS103
129.105.0.0/16 IPv4 /16 not checked
165.124.0.0/17 IPv4 /17 not checked
199.74.64.0/18 IPv4 /18 not checked
165.124.128.0/19 IPv4 /19 not checked
165.124.192.0/19 IPv4 /19 not checked
165.124.160.0/20 IPv4 /20 not checked
165.124.240.0/20 IPv4 /20 not checked
165.124.176.0/21 IPv4 /21 not checked
165.124.224.0/21 IPv4 /21 not checked
165.124.232.0/22 IPv4 /22 not checked
8.30.248.0/22 IPv4 /22 not checked
165.124.184.0/23 IPv4 /23 not checked
192.26.86.0/23 IPv4 /23 not checked
199.249.166.0/23 IPv4 /23 not checked
199.249.168.0/23 IPv4 /23 not checked
8.28.178.0/23 IPv4 /23 not checked
165.124.17.0/24 IPv4 /24 not checked
165.124.186.0/24 IPv4 /24 not checked
192.26.85.0/24 IPv4 /24 not checked
192.31.253.0/24 IPv4 /24 not checked
192.5.143.0/24 IPv4 /24 not checked
199.249.165.0/24 IPv4 /24 not checked
199.249.166.0/24 IPv4 /24 not checked
199.249.167.0/24 IPv4 /24 not checked
199.249.168.0/24 IPv4 /24 not checked
199.249.169.0/24 IPv4 /24 not checked
38.124.97.0/24 IPv4 /24 not checked
2620:10d:2000::/41 IPv6 /41 not checked
2401:eee0:140::/42 IPv6 /42 not checked
2401:eee0:180::/42 IPv6 /42 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 AS103 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

11 networks seen before AS103 in AS paths

Observed upstreams
Families
AS2381 230 6,048
v4 v6
AS396450 276 1,660
v4
AS3356 LEVEL3 132 837
v4 v6
AS33491 41 814
v4
AS174 COGENT-174 76 754
v4
AS22335 MREN 16 313
v4 v6
AS11164 9 39
v4
AS149433 FM-AS-AP 14 38
v6
AS293 1 22
v4
AS11537 6 18
v4
AS65502 7 16
v6

No rows match “”.

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Observed downstreams

0 networks seen after AS103 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.