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ASN Lookup Tool
AS553 Universitaet Stuttgart

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

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ASN Lookup for:

AS553

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ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS553
Organisation
Universitaet Stuttgart
AS Name
BELWUE
IPv4 Addresses Announced
2,106,640
IPv4 Prefixes Announced
148
IPv6 Prefixes Announced
17
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#211 out of 75,773
Registry
Ripe
Registered Country
DE
Registration Date
2002-08-27
Registration Change
2023-04-19

Receiving From

ASN
Organisation
AS41805
SAWAD LAND for Information Technology Ltd
AS56662
Marcin Gondek
AS6695
DE-CIX Management GmbH
AS3320
Deutsche Telekom AG
AS3356
Level 3 Parent, LLC
AS174
Cogent Communications
AS1239
Sprint
AS3209
Vodafone GmbH
AS680
Verein zur Foerderung eines Deutschen Forschungs..
AS36351
SoftLayer Technologies Inc.
Showing 10 of 61 Results View More >

Transit To

ASN
Organisation
AS34878
Karlsruhe Institute of Technology
AS5501
Fraunhofer-Gesellschaft zur Foerderung der angew..
AS42873
Max-Planck-Gesellschaft zur Forderung der Wissen..
AS60824
Fraunhofer-Gesellschaft zur Foerderung der angew..
AS50472
Chaos Computer Club e.V.
AS13020
Chaos Computer Club Veranstaltungsgesellschaft m..
AS50964
Kommunale Informationsverarbeitung Baden-Franken..
AS202113
plan b. solutions GmbH
AS213068
Karlsruhe Institute of Technology
AS35052
ACONET
Showing 10 of 16 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 129.143.0.0/18
Range From 129.143.0.0
Range To 129.143.63.255
Prefix 129.143.128.0/17
Range From 129.143.128.0
Range To 129.143.255.255
Prefix 129.143.64.0/23
Range From 129.143.64.0
Range To 129.143.65.255
Prefix 129.143.66.0/24
Range From 129.143.66.0
Range To 129.143.66.255
Prefix 129.143.67.0/25
Range From 129.143.67.0
Range To 129.143.67.127
Prefix 129.143.67.128/26
Range From 129.143.67.128
Range To 129.143.67.191
Prefix 129.143.67.192/27
Range From 129.143.67.192
Range To 129.143.67.223
Prefix 129.143.67.224/28
Range From 129.143.67.224
Range To 129.143.67.239
Prefix 129.143.67.240/31
Range From 129.143.67.240
Range To 129.143.67.241
Prefix 129.143.67.243/32
Range From 129.143.67.243
Range To 129.143.67.243
Showing 10 of 148 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:7c0::/35
Range From 2001:7c0::
Range To 2001:7c0:1fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2000::/39
Range From 2001:7c0:2000::
Range To 2001:7c0:21ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2200::/40
Range From 2001:7c0:2200::
Range To 2001:7c0:22ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2300::/44
Range From 2001:7c0:2300::
Range To 2001:7c0:230f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2320::/43
Range From 2001:7c0:2320::
Range To 2001:7c0:233f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2340::/42
Range From 2001:7c0:2340::
Range To 2001:7c0:237f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2380::/41
Range From 2001:7c0:2380::
Range To 2001:7c0:23ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2400::/38
Range From 2001:7c0:2400::
Range To 2001:7c0:27ff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:2800::/37
Range From 2001:7c0:2800::
Range To 2001:7c0:2fff:ffff:ffff:ffff:ffff:ffff
Prefix 2001:7c0:3000::/36
Range From 2001:7c0:3000::
Range To 2001:7c0:3fff:ffff:ffff:ffff:ffff:ffff
Showing 10 of 17 Results View More >